{"id":"vidhyamitra:city-day:haridwar:1815-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/haridwar/1815-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-10-01","date_display":"October 1, 1815 CE","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":1815,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384247.770833,"kali_year":4917,"ahargana":1795782.2708,"sun":{"sidereal_longitude":165.4041,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":141.0275,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.6234,"elapsed_within_tithi_degrees":11.6234},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":141.0275,"elapsed_within_degrees":7.6942},"yoga":{"number":23,"name":"Śubha","sum_longitude":306.4317},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1815,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384247.770833,"ahargana":1795782.2708,"kali_year":4917,"ayanamsa_lahiri":21.2791,"grahas":{"sun":{"sidereal_longitude":165.70405900000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":139.025959,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":4.2338},"mars":{"sidereal_longitude":9.831758999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":186.67125899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":178.42395899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":186.92395899999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":286.3616589999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":70.8134,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":250.8134,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":1815,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384247.770833,"kali_year":4917,"ahargana":1795782.2708,"sun":{"sidereal_longitude":165.4041,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":141.0275,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.6234,"elapsed_within_tithi_degrees":11.6234},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":141.0275,"elapsed_within_degrees":7.6942},"yoga":{"number":23,"name":"Śubha","sum_longitude":306.4317},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.234,"elongation":24.377},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.234,"opposition_distance":155.623}},"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":"06:09","sunsetLocal":"18:04","solarNoonLocal":"12:06","dayLengthHours":11.915262174257753,"dayLengthDisplay":"11 Hours 54 Mins 55 Secs","nightLengthDisplay":"12 Hours 05 Mins 05 Secs","moonriseLocal":"03:59","moonsetLocal":"16:40","rahuKala":{"name":"Rāhu Kāla","start":"16:34","end":"18:04","startHours":16.571147245570252,"endHours":18.06055501735247,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:06","end":"13:36","startHours":12.102923930223593,"endHours":13.592331702005813,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:05","end":"16:34","startHours":15.081739473788032,"endHours":16.571147245570252,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:19","startHours":8.92552068375486,"endHours":9.32269608956345,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.641762100355457,"endHours":6.959502425002331,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:30","startHours":11.705748524415002,"endHours":12.500099336032184,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:21","startHours":4.5565912198603495,"endHours":5.350942031477533,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:09","startHours":5.152354328573238,"endHours":6.145292843094717,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:53","startHours":14.088800959266553,"endHours":14.883151770883737,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.86055501735247,"endHours":18.26055501735247,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:33","startHours":18.06055501735247,"endHours":18.55702427461321,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.81055501735247,"endHours":19.56055501735247,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:30","startHours":23.705748524415,"endHours":24.500099336032186,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:09","end":"07:38","startHours":6.145292843094717,"endHours":7.6347006148769365,"quality":"inauspicious"},{"name":"Chala","start":"07:38","end":"09:07","startHours":7.6347006148769365,"endHours":9.124108386659156,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:37","startHours":9.124108386659156,"endHours":10.613516158441374,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:06","startHours":10.613516158441374,"endHours":12.102923930223593,"quality":"auspicious"},{"name":"Kāla","start":"12:06","end":"13:36","startHours":12.102923930223593,"endHours":13.592331702005813,"quality":"inauspicious"},{"name":"Śubha","start":"13:36","end":"15:05","startHours":13.592331702005813,"endHours":15.081739473788032,"quality":"auspicious"},{"name":"Roga","start":"15:05","end":"16:34","startHours":15.081739473788032,"endHours":16.571147245570252,"quality":"inauspicious"},{"name":"Udveg","start":"16:34","end":"18:04","startHours":16.571147245570252,"endHours":18.06055501735247,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:04","end":"19:34","startHours":18.06055501735247,"endHours":19.571147245570252,"quality":"auspicious"},{"name":"Roga","start":"19:34","end":"21:05","startHours":19.571147245570252,"endHours":21.081739473788033,"quality":"inauspicious"},{"name":"Udveg","start":"21:05","end":"22:36","startHours":21.081739473788033,"endHours":22.592331702005815,"quality":"inauspicious"},{"name":"Chala","start":"22:36","end":"00:06","startHours":22.592331702005815,"endHours":24.102923930223593,"quality":"neutral"},{"name":"Labha","start":"00:06","end":"01:37","startHours":24.102923930223593,"endHours":25.613516158441374,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"03:07","startHours":25.613516158441374,"endHours":27.124108386659156,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:38","startHours":27.124108386659156,"endHours":28.634700614876934,"quality":"inauspicious"},{"name":"Śubha","start":"04:38","end":"06:09","startHours":28.634700614876934,"endHours":30.145292843094715,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.145292843094717,"endHours":7.145292843094717,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.145292843094717,"endHours":8.145292843094717,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.145292843094717,"endHours":9.145292843094717,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.145292843094717,"endHours":10.145292843094717,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.145292843094717,"endHours":11.145292843094717,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.145292843094717,"endHours":12.145292843094717,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.145292843094717,"endHours":13.145292843094717,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.145292843094717,"endHours":14.145292843094717,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.145292843094717,"endHours":15.145292843094717,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.145292843094717,"endHours":16.145292843094715,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.145292843094715,"endHours":17.145292843094715,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.145292843094715,"endHours":18.145292843094715,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.145292843094715,"endHours":19.145292843094715,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.145292843094715,"endHours":20.145292843094715,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.145292843094715,"endHours":21.145292843094715,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.145292843094715,"endHours":22.145292843094715,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.145292843094715,"endHours":23.145292843094715,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.145292843094715,"endHours":24.145292843094715,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.145292843094715,"endHours":25.145292843094715,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.145292843094715,"endHours":26.145292843094715,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.145292843094715,"endHours":27.145292843094715,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.145292843094715,"endHours":28.145292843094715,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.145292843094715,"endHours":29.145292843094715,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.145292843094715,"endHours":30.145292843094715,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.7716387352180805,"eotMinutes":11.167764186584405,"ayanamsa":21.2791}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Trayodaśī · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"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 October 1, 1815 CE · Haridwār · Vidhyamitra","description":"October 1, 1815 CE for Haridwār: Kṛṣṇa Trayodaśī, sūryodaya 06:09, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/haridwar/1815-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/haridwar/1815-10-01","sa":"https://sa.vidhyamitra.com/city/haridwar/1815-10-01","hi":"https://hi.vidhyamitra.com/city/haridwar/1815-10-01","x-default":"https://vidhyamitra.com/city/haridwar/1815-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T07:32:14.306Z","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":"2026-09-06T07:32:14.306Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T07:32:14.306Z","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":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","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"}}}