{"id":"vidhyamitra:city-day:vrindavan:-3101-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/-3101-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3101-02-20","date_display":"February 20, 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":20,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588467.770833,"kali_year":1,"ahargana":2.2708,"sun":{"sidereal_longitude":4.4985,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":36.1416,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.6431,"elapsed_within_tithi_degrees":7.6431},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":36.1416,"elapsed_within_degrees":9.4749},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":40.6401},"karana":{"half_tithi_index":5,"name":"Gara"},"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":-3101,"month":2,"day":20,"hour":6,"minute":30,"calendar":"julian"},"julian_day":588467.770833,"ahargana":2.2708,"kali_year":1,"ayanamsa_lahiri":-47.4027,"grahas":{"sun":{"sidereal_longitude":4.4985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":36.1416,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-2.6599},"mars":{"sidereal_longitude":7.1529,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":2.1,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":2.0178,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":3.9067,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":353.0599,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":179.8797,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":359.8797,"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":"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":20,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588467.770833,"kali_year":1,"ahargana":2.2708,"sun":{"sidereal_longitude":4.4985,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":36.1416,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.6431,"elapsed_within_tithi_degrees":7.6431},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":36.1416,"elapsed_within_degrees":9.4749},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":40.6401},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.66,"elongation":31.643},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.66,"opposition_distance":148.357}},"eclipse_window_40days":[{"offset_days":13,"type":"lunar","occurs":true,"moon_latitude":1.238,"opposition_distance":1.931}]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:03","sunsetLocal":"18:04","solarNoonLocal":"12:34","dayLengthHours":11.00566274880552,"dayLengthDisplay":"11 Hours 00 Mins 20 Secs","nightLengthDisplay":"12 Hours 59 Mins 40 Secs","moonriseLocal":"08:47","moonsetLocal":"20:34","rahuKala":{"name":"Rāhu Kāla","start":"16:41","end":"18:04","startHours":16.687892614880774,"endHours":18.063600458481464,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:34","end":"13:56","startHours":12.560769084078704,"endHours":13.936476927679394,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:19","end":"16:41","startHours":15.312184771280084,"endHours":16.687892614880774,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:00","startHours":9.625925684397231,"endHours":9.992781109357416,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:49","startHours":7.516506990876174,"endHours":7.809991330844321,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:56","startHours":12.19391365911852,"endHours":12.927624509038887,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:19","startHours":5.590516009835207,"endHours":6.3242268597555755,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"07:03","startHours":6.140799147275484,"endHours":7.057937709675944,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:08","startHours":14.395046208879624,"endHours":15.12875705879999,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.863600458481464,"endHours":18.263600458481463,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:31","startHours":18.063600458481464,"endHours":18.522169739681694,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.813600458481464,"endHours":19.563600458481464,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:56","startHours":24.193913659118518,"endHours":24.92762450903889,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:03","end":"08:26","startHours":7.057937709675944,"endHours":8.433645553276634,"quality":"inauspicious"},{"name":"Chala","start":"08:26","end":"09:49","startHours":8.433645553276634,"endHours":9.809353396877324,"quality":"neutral"},{"name":"Labha","start":"09:49","end":"11:11","startHours":9.809353396877324,"endHours":11.185061240478014,"quality":"auspicious"},{"name":"Amṛta","start":"11:11","end":"12:34","startHours":11.185061240478014,"endHours":12.560769084078704,"quality":"auspicious"},{"name":"Kāla","start":"12:34","end":"13:56","startHours":12.560769084078704,"endHours":13.936476927679394,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:19","startHours":13.936476927679394,"endHours":15.312184771280084,"quality":"auspicious"},{"name":"Roga","start":"15:19","end":"16:41","startHours":15.312184771280084,"endHours":16.687892614880774,"quality":"inauspicious"},{"name":"Udveg","start":"16:41","end":"18:04","startHours":16.687892614880774,"endHours":18.063600458481464,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:04","end":"19:41","startHours":18.063600458481464,"endHours":19.687892614880774,"quality":"auspicious"},{"name":"Roga","start":"19:41","end":"21:19","startHours":19.687892614880774,"endHours":21.312184771280084,"quality":"inauspicious"},{"name":"Udveg","start":"21:19","end":"22:56","startHours":21.312184771280084,"endHours":22.936476927679394,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:34","startHours":22.936476927679394,"endHours":24.560769084078704,"quality":"neutral"},{"name":"Labha","start":"00:34","end":"02:11","startHours":24.560769084078704,"endHours":26.185061240478014,"quality":"auspicious"},{"name":"Amṛta","start":"02:11","end":"03:49","startHours":26.185061240478014,"endHours":27.809353396877324,"quality":"auspicious"},{"name":"Kāla","start":"03:49","end":"05:26","startHours":27.809353396877324,"endHours":29.433645553276634,"quality":"inauspicious"},{"name":"Śubha","start":"05:26","end":"07:03","startHours":29.433645553276634,"endHours":31.057937709675944,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.057937709675944,"endHours":8.057937709675944,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.057937709675944,"endHours":9.057937709675944,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.057937709675944,"endHours":10.057937709675944,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.057937709675944,"endHours":11.057937709675944,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.057937709675944,"endHours":12.057937709675944,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.057937709675944,"endHours":13.057937709675944,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.057937709675944,"endHours":14.057937709675944,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.057937709675944,"endHours":15.057937709675944,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.057937709675944,"endHours":16.057937709675944,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.057937709675944,"endHours":17.057937709675944,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.057937709675944,"endHours":18.057937709675944,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.057937709675944,"endHours":19.057937709675944,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.057937709675944,"endHours":20.057937709675944,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.057937709675944,"endHours":21.057937709675944,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.057937709675944,"endHours":22.057937709675944,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.057937709675944,"endHours":23.057937709675944,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.057937709675944,"endHours":24.057937709675944,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.057937709675944,"endHours":25.057937709675944,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.057937709675944,"endHours":26.057937709675944,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.057937709675944,"endHours":27.057937709675944,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.057937709675944,"endHours":28.057937709675944,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.057937709675944,"endHours":29.057937709675944,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.057937709675944,"endHours":30.057937709675944,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.057937709675944,"endHours":31.057937709675944,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"undefined (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-15.70986192204488,"eotMinutes":-14.28334504472219,"ayanamsa":-47.4027}},"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","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Tṛtīyā · Vikram -3044 undefined · Śaka -3179 undefined"},"festivals":[{"id":"akshaya-tritiya","name":"Akṣaya Tṛtīyā","name_sanskrit":"अक्षय तृतीया","tradition":"Pan-Hindu","significance":"\"Inexhaustible third\"; auspicious for any new venture.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1},{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"parashurama-jayanti","name":"Paraśurāma Jayantī","name_sanskrit":"परशुराम जयन्ती","tradition":"Vaishnava","associated_deity":"Paraśurāma (6th daśāvatāra of Krishna)","deity_avatara_index":16,"significance":"Paraśurāma's manifestation; ciranjīvi-pratiṣṭhā. Coincides with Akṣaya Tṛtīyā.","vrata":true,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Bhāgavata 9.15-16"]},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"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":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":true,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 20, 3102 BCE · Vṛndāvana · Vidhyamitra","description":"February 20, 3102 BCE for Vṛndāvana: Śukla Tṛtīyā, sūryodaya 07:03, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/-3101-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/-3101-02-20","sa":"https://sa.vidhyamitra.com/city/vrindavan/-3101-02-20","hi":"https://hi.vidhyamitra.com/city/vrindavan/-3101-02-20","x-default":"https://vidhyamitra.com/city/vrindavan/-3101-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T00:27:27.463Z","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":"2026-05-15T00:27:27.463Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T00:27:27.463Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}