{"id":"vidhyamitra:city-day:haridwar:-0511-03-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/haridwar/-0511-03-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0511-03-18","date_display":"March 18, 512 BCE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-511,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1534491.770833,"kali_year":2591,"ahargana":946026.2708,"sun":{"sidereal_longitude":8.2133,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":177.3664,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.1531,"elapsed_within_tithi_degrees":1.1531},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":177.3664,"elapsed_within_degrees":4.0331},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.5797},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":-511,"month":3,"day":18,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1534491.770833,"ahargana":946026.2708,"kali_year":2591,"ayanamsa_lahiri":-11.2209,"grahas":{"sun":{"sidereal_longitude":8.2133,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":177.3664,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":4.4603},"mars":{"sidereal_longitude":14.495,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":1.3153,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":117.639,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":33.4539,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":310.9362,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":94.9756,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.9756,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-511,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1534491.770833,"kali_year":2591,"ahargana":946026.2708,"sun":{"sidereal_longitude":8.2133,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":177.3664,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.1531,"elapsed_within_tithi_degrees":1.1531},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":177.3664,"elapsed_within_degrees":4.0331},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.5797},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.46,"elongation":169.153},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.46,"opposition_distance":10.847}},"eclipse_window_40days":[]},"city":{"slug":"haridwar","name":"Haridwār","lat":29.9457,"lon":78.1642,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"haridwar","name":"Haridwār","lat":29.9457,"lon":78.1642,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"06:25","sunsetLocal":"18:27","solarNoonLocal":"12:26","dayLengthHours":12.036340751248852,"dayLengthDisplay":"12 Hours 02 Mins 11 Secs","nightLengthDisplay":"11 Hours 57 Mins 49 Secs","moonriseLocal":"17:27","moonsetLocal":"05:58","rahuKala":{"name":"Rāhu Kāla","start":"15:27","end":"16:57","startHours":15.444203421804096,"endHours":16.9487460157102,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:26","end":"10:56","startHours":9.426033046179668,"endHours":10.930575640085776,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:26","end":"13:56","startHours":12.435118233991883,"endHours":13.939660827897988,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:38","startHours":9.225427366992188,"endHours":9.62663872536715,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:14","startHours":6.918462056336158,"endHours":7.239431143036128,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:50","startHours":12.033906875616921,"endHours":12.836329592366845,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:37","startHours":4.812102424867609,"endHours":5.614525141617532,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:25","startHours":5.4139194624300515,"endHours":6.416947858367456,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:15","startHours":14.441175025866691,"endHours":15.243597742616615,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.25328860961631,"endHours":18.653288609616308,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:57","startHours":18.45328860961631,"endHours":18.95480280758501,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.20328860961631,"endHours":19.95328860961631,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:50","startHours":24.03390687561692,"endHours":24.836329592366845,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:25","end":"07:55","startHours":6.416947858367456,"endHours":7.921490452273562,"quality":"inauspicious"},{"name":"Udveg","start":"07:55","end":"09:26","startHours":7.921490452273562,"endHours":9.426033046179668,"quality":"inauspicious"},{"name":"Chala","start":"09:26","end":"10:56","startHours":9.426033046179668,"endHours":10.930575640085776,"quality":"neutral"},{"name":"Labha","start":"10:56","end":"12:26","startHours":10.930575640085776,"endHours":12.435118233991883,"quality":"auspicious"},{"name":"Amṛta","start":"12:26","end":"13:56","startHours":12.435118233991883,"endHours":13.939660827897988,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:27","startHours":13.939660827897988,"endHours":15.444203421804096,"quality":"inauspicious"},{"name":"Śubha","start":"15:27","end":"16:57","startHours":15.444203421804096,"endHours":16.9487460157102,"quality":"auspicious"},{"name":"Roga","start":"16:57","end":"18:27","startHours":16.9487460157102,"endHours":18.45328860961631,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:27","end":"19:57","startHours":18.45328860961631,"endHours":19.948746015710203,"quality":"inauspicious"},{"name":"Śubha","start":"19:57","end":"21:27","startHours":19.948746015710203,"endHours":21.444203421804094,"quality":"auspicious"},{"name":"Roga","start":"21:27","end":"22:56","startHours":21.444203421804094,"endHours":22.93966082789799,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:26","startHours":22.93966082789799,"endHours":24.435118233991883,"quality":"inauspicious"},{"name":"Chala","start":"00:26","end":"01:56","startHours":24.435118233991883,"endHours":25.930575640085777,"quality":"neutral"},{"name":"Labha","start":"01:56","end":"03:26","startHours":25.930575640085777,"endHours":27.42603304617967,"quality":"auspicious"},{"name":"Amṛta","start":"03:26","end":"04:55","startHours":27.42603304617967,"endHours":28.921490452273563,"quality":"auspicious"},{"name":"Kāla","start":"04:55","end":"06:25","startHours":28.921490452273563,"endHours":30.416947858367458,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.416947858367456,"endHours":7.416947858367456,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.416947858367456,"endHours":8.416947858367456,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.416947858367456,"endHours":9.416947858367456,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.416947858367456,"endHours":10.416947858367456,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.416947858367456,"endHours":11.416947858367456,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.416947858367456,"endHours":12.416947858367456,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.416947858367456,"endHours":13.416947858367456,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.416947858367456,"endHours":14.416947858367456,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.416947858367456,"endHours":15.416947858367456,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.416947858367456,"endHours":16.416947858367458,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.416947858367458,"endHours":17.416947858367458,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.416947858367458,"endHours":18.416947858367458,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.416947858367458,"endHours":19.416947858367458,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.416947858367458,"endHours":20.416947858367458,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.416947858367458,"endHours":21.416947858367458,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.416947858367458,"endHours":22.416947858367458,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.416947858367458,"endHours":23.416947858367458,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.416947858367458,"endHours":24.416947858367458,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.416947858367458,"endHours":25.416947858367458,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.416947858367458,"endHours":26.416947858367458,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.416947858367458,"endHours":27.416947858367458,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.416947858367458,"endHours":28.416947858367458,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.416947858367458,"endHours":29.416947858367458,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.416947858367458,"endHours":30.416947858367458,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"undefined (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.1957576695397945,"eotMinutes":-8.763894039513033,"ayanamsa":-11.2209}},"calendars":{"vikram_samvat":-454,"saka_samvat":-589,"bengali_samvat":-1104,"malayalam_era":-1335,"nanakshahi_year":-1980,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pūrṇimā · Vikram -454 undefined · Śaka -589 undefined"},"festivals":[{"id":"buddha-purnima","name":"Buddha Pūrṇimā","name_sanskrit":"बुद्ध पूर्णिमा","name_alternates":["Vesak","Vaiśākhī Pūrṇimā","Vesakha"],"tradition":"Pan-Hindu","associated_deity":"Buddha (21st avatāra of Krishna per Bhāgavata 1.3.24)","deity_avatara_index":21,"significance":"Buddha's birth, enlightenment, and mahāparinirvāṇa all on this Vaiśākha Pūrṇimā. Most sacred Buddhist + Vaishnava day.","vrata":true,"primary_observance":"Day-long observance of compassion (karuṇā) and ahiṁsā; Buddha-stuti at sunset","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"buddha","sources":["Bhāgavata Purāṇa 1.3.24","Pāli Tipiṭaka","Buddhacarita by Aśvaghoṣa"]},{"id":"kurma-jayanti","name":"Kūrma Jayantī","name_sanskrit":"कूर्म जयन्ती","tradition":"Vaishnava","associated_deity":"Kūrma (2nd avatāra of Krishna)","deity_avatara_index":11,"significance":"Kūrma supports Mount Mandara during the Sāgara-mathana (churning of the cosmic ocean).","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4,"sources":["Bhāgavata 8.7-8"]},{"id":"chandika-jayanti","name":"Chaṇḍikā Jayantī","name_sanskrit":"चण्डिका जयन्ती","tradition":"Shakta","associated_deity":"Devī Chaṇḍikā","significance":"Devī's fierce protective form. Often coincides with Buddha Pūrṇimā.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5},{"id":"chitra-paurnami","name":"Citrā Paurṇamī","name_sanskrit":"चित्रा पौर्णमी","tradition":"Regional","significance":"Tamil regional Vaiśākha Pūrṇimā observance; honors Citragupta.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":6},{"id":"vaishakha-purnima-vrat","name":"Vaiśākha Pūrṇimā Vrat","name_sanskrit":"वैशाख पूर्णिमा व्रत","tradition":"Pan-Hindu","significance":"General Pūrṇimā vrat in Vaiśākha (highly auspicious month).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":7}],"todays_walk":{"walk":{"id":"buddha-purnima-walk","name":"Buddha Pūrṇimā Walk","name_sanskrit":"बुद्ध पूर्णिमा यात्रा","type":"festival","description":"Bhāgavata 1.3.24 (Buddha as 21st avatāra) + BG 12.13 (compassion) + Dhammapada parallels.","step_count":7,"url":"/walk/buddha-purnima-walk"},"reason":"Today is Buddha Pūrṇimā — its dedicated walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"location_specific":"haridwar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga March 18, 512 BCE · Haridwār · Vidhyamitra","description":"March 18, 512 BCE for Haridwār: Śukla Pūrṇimā, sūryodaya 06:25, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/haridwar/-0511-03-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/haridwar/-0511-03-18","sa":"https://sa.vidhyamitra.com/city/haridwar/-0511-03-18","hi":"https://hi.vidhyamitra.com/city/haridwar/-0511-03-18","x-default":"https://vidhyamitra.com/city/haridwar/-0511-03-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-12T12:15:46.836Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-08-12T12:15:46.836Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-12T12:15:46.836Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}