{"id":"vidhyamitra:city-day:haridwar:-3101-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/haridwar/-3101-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3101-02-18","date_display":"February 18, 3102 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":-3101,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588465.770833,"kali_year":1,"ahargana":0.2708,"sun":{"sidereal_longitude":2.5502,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":10.2867,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.7365,"elapsed_within_tithi_degrees":7.7365},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":10.2867,"elapsed_within_degrees":10.2867},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":12.8369},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":-3101,"month":2,"day":18,"hour":6,"minute":30,"calendar":"julian"},"julian_day":588465.770833,"ahargana":0.2708,"kali_year":1,"ayanamsa_lahiri":-47.4028,"grahas":{"sun":{"sidereal_longitude":2.5502,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":10.2867,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-0.8039},"mars":{"sidereal_longitude":5.6392,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":358.3273,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":1.5286,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":1.4274,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":352.7941,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":179.9856,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":359.9856,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":-3101,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588465.770833,"kali_year":1,"ahargana":0.2708,"sun":{"sidereal_longitude":2.5502,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":10.2867,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.7365,"elapsed_within_tithi_degrees":7.7365},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":10.2867,"elapsed_within_degrees":10.2867},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":12.8369},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.804,"elongation":7.737},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.804,"opposition_distance":172.263}},"eclipse_window_40days":[{"offset_days":15,"type":"lunar","occurs":true,"moon_latitude":1.238,"opposition_distance":1.931}]},"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":"07:06","sunsetLocal":"17:57","solarNoonLocal":"12:32","dayLengthHours":10.84293506427182,"dayLengthDisplay":"10 Hours 50 Mins 35 Secs","nightLengthDisplay":"13 Hours 09 Mins 25 Secs","moonriseLocal":"07:33","moonsetLocal":"18:33","rahuKala":{"name":"Rāhu Kāla","start":"11:10","end":"12:32","startHours":11.174267720506027,"endHours":12.529634603540003,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:14","end":"16:36","startHours":15.240368369607959,"endHours":16.595735252641937,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:28","end":"09:49","startHours":8.46353395443807,"endHours":9.818900837472048,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:00","startHours":9.638185253067519,"endHours":9.999616421876578,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:51","startHours":7.559956032415419,"endHours":7.849100967462668,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:53","startHours":12.168203434730943,"endHours":12.891065772349064,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:23","startHours":5.662442396167851,"endHours":6.385304733785972,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:06","startHours":6.204589149381442,"endHours":7.108167071404093,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:04","startHours":14.336790447585306,"endHours":15.059652785203427,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.751102135675914,"endHours":18.151102135675913,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:24","startHours":17.951102135675914,"endHours":18.402891096687238,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.701102135675914,"endHours":19.451102135675914,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:53","startHours":24.16820343473094,"endHours":24.891065772349066,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:06","end":"08:28","startHours":7.108167071404093,"endHours":8.46353395443807,"quality":"neutral"},{"name":"Labha","start":"08:28","end":"09:49","startHours":8.46353395443807,"endHours":9.818900837472048,"quality":"auspicious"},{"name":"Amṛta","start":"09:49","end":"11:10","startHours":9.818900837472048,"endHours":11.174267720506027,"quality":"auspicious"},{"name":"Kāla","start":"11:10","end":"12:32","startHours":11.174267720506027,"endHours":12.529634603540003,"quality":"inauspicious"},{"name":"Śubha","start":"12:32","end":"13:53","startHours":12.529634603540003,"endHours":13.88500148657398,"quality":"auspicious"},{"name":"Roga","start":"13:53","end":"15:14","startHours":13.88500148657398,"endHours":15.240368369607959,"quality":"inauspicious"},{"name":"Udveg","start":"15:14","end":"16:36","startHours":15.240368369607959,"endHours":16.595735252641937,"quality":"inauspicious"},{"name":"Chala","start":"16:36","end":"17:57","startHours":16.595735252641937,"endHours":17.951102135675914,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:57","end":"19:36","startHours":17.951102135675914,"endHours":19.595735252641937,"quality":"inauspicious"},{"name":"Udveg","start":"19:36","end":"21:14","startHours":19.595735252641937,"endHours":21.240368369607957,"quality":"inauspicious"},{"name":"Chala","start":"21:14","end":"22:53","startHours":21.240368369607957,"endHours":22.88500148657398,"quality":"neutral"},{"name":"Labha","start":"22:53","end":"00:32","startHours":22.88500148657398,"endHours":24.529634603540003,"quality":"auspicious"},{"name":"Amṛta","start":"00:32","end":"02:10","startHours":24.529634603540003,"endHours":26.174267720506027,"quality":"auspicious"},{"name":"Kāla","start":"02:10","end":"03:49","startHours":26.174267720506027,"endHours":27.81890083747205,"quality":"inauspicious"},{"name":"Śubha","start":"03:49","end":"05:28","startHours":27.81890083747205,"endHours":29.46353395443807,"quality":"auspicious"},{"name":"Roga","start":"05:28","end":"07:06","startHours":29.46353395443807,"endHours":31.108167071404093,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.108167071404093,"endHours":8.108167071404093,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.108167071404093,"endHours":9.108167071404093,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.108167071404093,"endHours":10.108167071404093,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.108167071404093,"endHours":11.108167071404093,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.108167071404093,"endHours":12.108167071404093,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.108167071404093,"endHours":13.108167071404093,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.108167071404093,"endHours":14.108167071404093,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.108167071404093,"endHours":15.108167071404093,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.108167071404093,"endHours":16.108167071404093,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.108167071404093,"endHours":17.108167071404093,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.108167071404093,"endHours":18.108167071404093,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.108167071404093,"endHours":19.108167071404093,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.108167071404093,"endHours":20.108167071404093,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.108167071404093,"endHours":21.108167071404093,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.108167071404093,"endHours":22.108167071404093,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.108167071404093,"endHours":23.108167071404093,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.108167071404093,"endHours":24.108167071404093,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.108167071404093,"endHours":25.108167071404093,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.108167071404093,"endHours":26.108167071404093,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.108167071404093,"endHours":27.108167071404093,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.108167071404093,"endHours":28.108167071404093,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.108167071404093,"endHours":29.108167071404093,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.108167071404093,"endHours":30.108167071404093,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.108167071404093,"endHours":31.108167071404093,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"undefined (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-16.29093614923378,"eotMinutes":-14.434876212400278,"ayanamsa":-47.4028}},"calendars":{"vikram_samvat":-3044,"saka_samvat":-3179,"bengali_samvat":-3694,"malayalam_era":-3925,"nanakshahi_year":-4570,"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 Pratipada · Vikram -3044 undefined · Śaka -3179 undefined"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's 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 February 18, 3102 BCE · Haridwār · Vidhyamitra","description":"February 18, 3102 BCE for Haridwār: Śukla Pratipada, sūryodaya 07:06, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/haridwar/-3101-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/haridwar/-3101-02-18","sa":"https://sa.vidhyamitra.com/city/haridwar/-3101-02-18","hi":"https://hi.vidhyamitra.com/city/haridwar/-3101-02-18","x-default":"https://vidhyamitra.com/city/haridwar/-3101-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T08:29:14.440Z","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":"2026-09-11T08:29:14.440Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T08:29:14.440Z","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"}}}