{"id":"vidhyamitra:city-day:ayodhya:-3101-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-3101-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3101-02-01","date_display":"February 1, 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3101,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588448.770833,"kali_year":0,"ahargana":-16.7292,"sun":{"sidereal_longitude":345.8812,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":134.1366,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.2554,"elapsed_within_tithi_degrees":4.2554},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.1366,"elapsed_within_degrees":0.8033},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.0178},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":-3101,"month":2,"day":1,"hour":6,"minute":30,"calendar":"julian"},"julian_day":588448.770833,"ahargana":-16.7292,"kali_year":0,"ayanamsa_lahiri":-47.4035,"grahas":{"sun":{"sidereal_longitude":345.8812,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":134.1366,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":-3.2761},"mars":{"sidereal_longitude":352.6896,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":326.951,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":357.4078,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":340.28,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":350.5194,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":180.8864,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":0.8864,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3101,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588448.770833,"kali_year":0,"ahargana":-16.7292,"sun":{"sidereal_longitude":345.8812,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":134.1366,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.2554,"elapsed_within_tithi_degrees":4.2554},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.1366,"elapsed_within_degrees":0.8033},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.0178},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.276,"elongation":148.255},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.276,"opposition_distance":31.745}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:54","sunsetLocal":"17:35","solarNoonLocal":"12:15","dayLengthHours":10.686415582684852,"dayLengthDisplay":"10 Hours 41 Mins 11 Secs","nightLengthDisplay":"13 Hours 18 Mins 49 Secs","moonriseLocal":"15:14","moonsetLocal":"05:01","rahuKala":{"name":"Rāhu Kāla","start":"14:55","end":"16:15","startHours":14.919493030961142,"endHours":16.255294978796748,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:35","end":"10:55","startHours":9.576285239618716,"endHours":10.912087187454322,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:35","startHours":12.247889135289928,"endHours":13.583691083125535,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:45","startHours":9.398178313240635,"endHours":9.754392165996796,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:38","startHours":7.349948659892704,"endHours":7.634919742097634,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:36","startHours":11.891675282533766,"endHours":12.604102988046089,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:29","end":"06:12","startHours":5.479825932922855,"endHours":6.192253638435179,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:54","startHours":6.014146712057098,"endHours":6.9046813439475025,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:44","startHours":14.028958399070738,"endHours":14.741386104583063,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.391096926632354,"endHours":17.791096926632353,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:02","startHours":17.591096926632353,"endHours":18.036364242577555,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.341096926632353,"endHours":19.091096926632353,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:36","startHours":23.891675282533765,"endHours":24.60410298804609,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:54","end":"08:14","startHours":6.9046813439475025,"endHours":8.240483291783109,"quality":"inauspicious"},{"name":"Udveg","start":"08:14","end":"09:35","startHours":8.240483291783109,"endHours":9.576285239618716,"quality":"inauspicious"},{"name":"Chala","start":"09:35","end":"10:55","startHours":9.576285239618716,"endHours":10.912087187454322,"quality":"neutral"},{"name":"Labha","start":"10:55","end":"12:15","startHours":10.912087187454322,"endHours":12.247889135289928,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:35","startHours":12.247889135289928,"endHours":13.583691083125535,"quality":"auspicious"},{"name":"Kāla","start":"13:35","end":"14:55","startHours":13.583691083125535,"endHours":14.919493030961142,"quality":"inauspicious"},{"name":"Śubha","start":"14:55","end":"16:15","startHours":14.919493030961142,"endHours":16.255294978796748,"quality":"auspicious"},{"name":"Roga","start":"16:15","end":"17:35","startHours":16.255294978796748,"endHours":17.591096926632353,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:35","end":"19:15","startHours":17.591096926632353,"endHours":19.255294978796748,"quality":"inauspicious"},{"name":"Śubha","start":"19:15","end":"20:55","startHours":19.255294978796748,"endHours":20.919493030961142,"quality":"auspicious"},{"name":"Roga","start":"20:55","end":"22:35","startHours":20.919493030961142,"endHours":22.583691083125533,"quality":"inauspicious"},{"name":"Udveg","start":"22:35","end":"00:15","startHours":22.583691083125533,"endHours":24.247889135289928,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:55","startHours":24.247889135289928,"endHours":25.912087187454322,"quality":"neutral"},{"name":"Labha","start":"01:55","end":"03:35","startHours":25.912087187454322,"endHours":27.576285239618713,"quality":"auspicious"},{"name":"Amṛta","start":"03:35","end":"05:14","startHours":27.576285239618713,"endHours":29.240483291783107,"quality":"auspicious"},{"name":"Kāla","start":"05:14","end":"06:54","startHours":29.240483291783107,"endHours":30.9046813439475,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:54","end":"07:54","startHours":6.9046813439475025,"endHours":7.9046813439475025,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:54","end":"08:54","startHours":7.9046813439475025,"endHours":8.904681343947502,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:54","end":"09:54","startHours":8.904681343947502,"endHours":9.904681343947502,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:54","end":"10:54","startHours":9.904681343947502,"endHours":10.904681343947502,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:54","end":"11:54","startHours":10.904681343947502,"endHours":11.904681343947502,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:54","end":"12:54","startHours":11.904681343947502,"endHours":12.904681343947502,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:54","end":"13:54","startHours":12.904681343947502,"endHours":13.904681343947502,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:54","end":"14:54","startHours":13.904681343947502,"endHours":14.904681343947502,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:54","end":"15:54","startHours":14.904681343947502,"endHours":15.904681343947502,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:54","end":"16:54","startHours":15.904681343947502,"endHours":16.9046813439475,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:54","end":"17:54","startHours":16.9046813439475,"endHours":17.9046813439475,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:54","end":"18:54","startHours":17.9046813439475,"endHours":18.9046813439475,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:54","end":"19:54","startHours":18.9046813439475,"endHours":19.9046813439475,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:54","end":"20:54","startHours":19.9046813439475,"endHours":20.9046813439475,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:54","end":"21:54","startHours":20.9046813439475,"endHours":21.9046813439475,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:54","end":"22:54","startHours":21.9046813439475,"endHours":22.9046813439475,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:54","end":"23:54","startHours":22.9046813439475,"endHours":23.9046813439475,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:54","end":"00:54","startHours":23.9046813439475,"endHours":24.9046813439475,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:54","end":"01:54","startHours":24.9046813439475,"endHours":25.9046813439475,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:54","end":"02:54","startHours":25.9046813439475,"endHours":26.9046813439475,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:54","end":"03:54","startHours":26.9046813439475,"endHours":27.9046813439475,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:54","end":"04:54","startHours":27.9046813439475,"endHours":28.9046813439475,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:54","end":"05:54","startHours":28.9046813439475,"endHours":29.9046813439475,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:54","end":"06:54","startHours":29.9046813439475,"endHours":30.9046813439475,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.46333631823283,"eotMinutes":-13.689348117395623,"ayanamsa":-47.4035}},"calendars":{"vikram_samvat":-3044,"saka_samvat":-3179,"bengali_samvat":-3694,"malayalam_era":-3925,"nanakshahi_year":-4570,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Trayodaśī · Vikram -3044 undefined · Śaka -3179 undefined"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 1, 3102 BCE · Ayodhyā · Vidhyamitra","description":"February 1, 3102 BCE for Ayodhyā: Śukla Trayodaśī, sūryodaya 06:54, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-3101-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-3101-02-01","sa":"https://sa.vidhyamitra.com/city/ayodhya/-3101-02-01","hi":"https://hi.vidhyamitra.com/city/ayodhya/-3101-02-01","x-default":"https://vidhyamitra.com/city/ayodhya/-3101-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T22:04:44.508Z","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":"2026-05-15T22:04:44.508Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T22:04:44.508Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}