{"id":"vidhyamitra:city-day:rishikesh:-3101-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/-3101-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3101-02-12","date_display":"February 12, 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":12,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588459.770833,"kali_year":0,"ahargana":-5.7292,"sun":{"sidereal_longitude":356.6895,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":286.3155,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":289.626,"elapsed_within_tithi_degrees":1.626},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.3155,"elapsed_within_degrees":6.3155},"yoga":{"number":22,"name":"Sādhya","sum_longitude":283.005},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":12,"hour":6,"minute":30,"calendar":"julian"},"julian_day":588459.770833,"ahargana":-5.7292,"kali_year":0,"ayanamsa_lahiri":-47.403,"grahas":{"sun":{"sidereal_longitude":356.6895,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":286.3155,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":4.3251},"mars":{"sidereal_longitude":1.0851,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":347.0413,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":0.0646,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":353.9784,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":351.992,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":180.3036,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":0.3036,"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":12,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588459.770833,"kali_year":0,"ahargana":-5.7292,"sun":{"sidereal_longitude":356.6895,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":286.3155,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":289.626,"elapsed_within_tithi_degrees":1.626},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.3155,"elapsed_within_degrees":6.3155},"yoga":{"number":22,"name":"Sādhya","sum_longitude":283.005},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.325,"elongation":70.374},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.325,"opposition_distance":109.626}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"07:11","sunsetLocal":"17:52","solarNoonLocal":"12:32","dayLengthHours":10.696516179802149,"dayLengthDisplay":"10 Hours 41 Mins 47 Secs","nightLengthDisplay":"13 Hours 18 Mins 13 Secs","moonriseLocal":"02:36","moonsetLocal":"13:04","rahuKala":{"name":"Rāhu Kāla","start":"09:51","end":"11:11","startHours":9.851276489964302,"endHours":11.188341012439572,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:52","end":"15:12","startHours":13.862470057390109,"endHours":15.199534579865379,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:11","end":"08:31","startHours":7.177147445013766,"endHours":8.514211967489034,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:02","startHours":9.673001220300934,"endHours":10.029551759627672,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.622835619172189,"endHours":7.90807605063358,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:53","startHours":12.168854995588102,"endHours":12.881956074241579,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:28","startHours":5.750945287706813,"endHours":6.464046366360289,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:11","startHours":6.28577109669692,"endHours":7.177147445013766,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:01","startHours":14.308158231548532,"endHours":15.021259310202009,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.673663624815916,"endHours":18.073663624815914,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:19","startHours":17.873663624815915,"endHours":18.31935179897434,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.623663624815915,"endHours":19.373663624815915,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:53","startHours":24.1688549955881,"endHours":24.88195607424158,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:11","end":"08:31","startHours":7.177147445013766,"endHours":8.514211967489034,"quality":"inauspicious"},{"name":"Śubha","start":"08:31","end":"09:51","startHours":8.514211967489034,"endHours":9.851276489964302,"quality":"auspicious"},{"name":"Roga","start":"09:51","end":"11:11","startHours":9.851276489964302,"endHours":11.188341012439572,"quality":"inauspicious"},{"name":"Udveg","start":"11:11","end":"12:32","startHours":11.188341012439572,"endHours":12.52540553491484,"quality":"inauspicious"},{"name":"Chala","start":"12:32","end":"13:52","startHours":12.52540553491484,"endHours":13.862470057390109,"quality":"neutral"},{"name":"Labha","start":"13:52","end":"15:12","startHours":13.862470057390109,"endHours":15.199534579865379,"quality":"auspicious"},{"name":"Amṛta","start":"15:12","end":"16:32","startHours":15.199534579865379,"endHours":16.536599102340645,"quality":"auspicious"},{"name":"Kāla","start":"16:32","end":"17:52","startHours":16.536599102340645,"endHours":17.873663624815915,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:52","end":"19:32","startHours":17.873663624815915,"endHours":19.536599102340645,"quality":"auspicious"},{"name":"Amṛta","start":"19:32","end":"21:12","startHours":19.536599102340645,"endHours":21.19953457986538,"quality":"auspicious"},{"name":"Kāla","start":"21:12","end":"22:52","startHours":21.19953457986538,"endHours":22.86247005739011,"quality":"inauspicious"},{"name":"Śubha","start":"22:52","end":"00:32","startHours":22.86247005739011,"endHours":24.52540553491484,"quality":"auspicious"},{"name":"Roga","start":"00:32","end":"02:11","startHours":24.52540553491484,"endHours":26.188341012439572,"quality":"inauspicious"},{"name":"Udveg","start":"02:11","end":"03:51","startHours":26.188341012439572,"endHours":27.851276489964302,"quality":"inauspicious"},{"name":"Chala","start":"03:51","end":"05:31","startHours":27.851276489964302,"endHours":29.514211967489032,"quality":"neutral"},{"name":"Labha","start":"05:31","end":"07:11","startHours":29.514211967489032,"endHours":31.177147445013766,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.177147445013766,"endHours":8.177147445013766,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.177147445013766,"endHours":9.177147445013766,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.177147445013766,"endHours":10.177147445013766,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.177147445013766,"endHours":11.177147445013766,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.177147445013766,"endHours":12.177147445013766,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.177147445013766,"endHours":13.177147445013766,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.177147445013766,"endHours":14.177147445013766,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.177147445013766,"endHours":15.177147445013766,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.177147445013766,"endHours":16.177147445013766,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.177147445013766,"endHours":17.177147445013766,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.177147445013766,"endHours":18.177147445013766,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.177147445013766,"endHours":19.177147445013766,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.177147445013766,"endHours":20.177147445013766,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.177147445013766,"endHours":21.177147445013766,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.177147445013766,"endHours":22.177147445013766,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.177147445013766,"endHours":23.177147445013766,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.177147445013766,"endHours":24.177147445013766,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.177147445013766,"endHours":25.177147445013766,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.177147445013766,"endHours":26.177147445013766,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.177147445013766,"endHours":27.177147445013766,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.177147445013766,"endHours":28.177147445013766,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.177147445013766,"endHours":29.177147445013766,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.177147445013766,"endHours":30.177147445013766,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.177147445013766,"endHours":31.177147445013766,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.929150269928158,"eotMinutes":-14.594732094890398,"ayanamsa":-47.403}},"calendars":{"vikram_samvat":-3044,"saka_samvat":-3179,"bengali_samvat":-3694,"malayalam_era":-3925,"nanakshahi_year":-4570,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Daśamī · Vikram -3044 undefined · Śaka -3179 undefined"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 12, 3102 BCE · Ṛṣikeśa · Vidhyamitra","description":"February 12, 3102 BCE for Ṛṣikeśa: Kṛṣṇa Daśamī, sūryodaya 07:11, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/-3101-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/-3101-02-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/-3101-02-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/-3101-02-12","x-default":"https://vidhyamitra.com/city/rishikesh/-3101-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:05:48.943Z","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":"2026-06-01T15:05:48.943Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:05:48.943Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}