{"id":"vidhyamitra:city-day:varanasi:2000-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/2000-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2000-02-13","date_display":"February 13, 2000 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":"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":2000,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451587.770833,"kali_year":5101,"ahargana":1863122.2708,"sun":{"sidereal_longitude":299.8683,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":32.8159,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.9476,"elapsed_within_tithi_degrees":8.9476},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.8159,"elapsed_within_degrees":6.1493},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.6842},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2000,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451587.770833,"ahargana":1863122.2708,"kali_year":5101,"ayanamsa_lahiri":23.8546,"grahas":{"sun":{"sidereal_longitude":299.78307599999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":30.602675999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":-4.2281},"mars":{"sidereal_longitude":336.909676,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":317.69697599999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":5.839975999999979,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":269.798676,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":17.300876000000017,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":102.8161,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.8161,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2000,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451587.770833,"kali_year":5101,"ahargana":1863122.2708,"sun":{"sidereal_longitude":299.8683,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":32.8159,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.9476,"elapsed_within_tithi_degrees":8.9476},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.8159,"elapsed_within_degrees":6.1493},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.6842},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.228,"elongation":92.948},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.228,"opposition_distance":87.052}},"eclipse_window_40days":[]},"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:35","sunsetLocal":"17:50","solarNoonLocal":"12:13","dayLengthHours":11.248258916961532,"dayLengthDisplay":"11 Hours 14 Mins 54 Secs","nightLengthDisplay":"12 Hours 45 Mins 06 Secs","moonriseLocal":"11:36","moonsetLocal":"00:56","rahuKala":{"name":"Rāhu Kāla","start":"16:26","end":"17:50","startHours":16.42982918153761,"endHours":17.8358615461578,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:37","startHours":12.211732087677035,"endHours":13.617764452297227,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:01","end":"16:26","startHours":15.023796816917418,"endHours":16.42982918153761,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:35","startHours":9.212196376487293,"endHours":9.58713834038601,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.056280084069666,"endHours":7.35623365518864,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:35","startHours":11.836790123778318,"endHours":12.586674051575752,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:05","end":"05:50","startHours":5.087834773601398,"endHours":5.837718701398833,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:39","end":"06:35","startHours":5.6502477194494745,"endHours":6.587602629196269,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:50","startHours":14.086441907170624,"endHours":14.83632583496806,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.635861546157802,"endHours":18.0358615461578,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:18","startHours":17.8358615461578,"endHours":18.3045390010312,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.5858615461578,"endHours":19.3358615461578,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:35","startHours":23.836790123778318,"endHours":24.586674051575752,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:35","end":"08:00","startHours":6.587602629196269,"endHours":7.99363499381646,"quality":"inauspicious"},{"name":"Chala","start":"08:00","end":"09:24","startHours":7.99363499381646,"endHours":9.399667358436652,"quality":"neutral"},{"name":"Labha","start":"09:24","end":"10:48","startHours":9.399667358436652,"endHours":10.805699723056843,"quality":"auspicious"},{"name":"Amṛta","start":"10:48","end":"12:13","startHours":10.805699723056843,"endHours":12.211732087677035,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:37","startHours":12.211732087677035,"endHours":13.617764452297227,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"15:01","startHours":13.617764452297227,"endHours":15.023796816917418,"quality":"auspicious"},{"name":"Roga","start":"15:01","end":"16:26","startHours":15.023796816917418,"endHours":16.42982918153761,"quality":"inauspicious"},{"name":"Udveg","start":"16:26","end":"17:50","startHours":16.42982918153761,"endHours":17.8358615461578,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:50","end":"19:26","startHours":17.8358615461578,"endHours":19.42982918153761,"quality":"auspicious"},{"name":"Roga","start":"19:26","end":"21:01","startHours":19.42982918153761,"endHours":21.023796816917418,"quality":"inauspicious"},{"name":"Udveg","start":"21:01","end":"22:37","startHours":21.023796816917418,"endHours":22.617764452297227,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"00:13","startHours":22.617764452297227,"endHours":24.211732087677035,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:48","startHours":24.211732087677035,"endHours":25.805699723056843,"quality":"auspicious"},{"name":"Amṛta","start":"01:48","end":"03:24","startHours":25.805699723056843,"endHours":27.399667358436652,"quality":"auspicious"},{"name":"Kāla","start":"03:24","end":"05:00","startHours":27.399667358436652,"endHours":28.99363499381646,"quality":"inauspicious"},{"name":"Śubha","start":"05:00","end":"06:35","startHours":28.99363499381646,"endHours":30.58760262919627,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:35","end":"07:35","startHours":6.587602629196269,"endHours":7.587602629196269,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:35","end":"08:35","startHours":7.587602629196269,"endHours":8.587602629196269,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:35","end":"09:35","startHours":8.587602629196269,"endHours":9.587602629196269,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:35","end":"10:35","startHours":9.587602629196269,"endHours":10.587602629196269,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:35","end":"11:35","startHours":10.587602629196269,"endHours":11.587602629196269,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:35","end":"12:35","startHours":11.587602629196269,"endHours":12.587602629196269,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:35","end":"13:35","startHours":12.587602629196269,"endHours":13.587602629196269,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:35","end":"14:35","startHours":13.587602629196269,"endHours":14.587602629196269,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:35","end":"15:35","startHours":14.587602629196269,"endHours":15.587602629196269,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:35","end":"16:35","startHours":15.587602629196269,"endHours":16.58760262919627,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:35","end":"17:35","startHours":16.58760262919627,"endHours":17.58760262919627,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:35","end":"18:35","startHours":17.58760262919627,"endHours":18.58760262919627,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:35","end":"19:35","startHours":18.58760262919627,"endHours":19.58760262919627,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:35","end":"20:35","startHours":19.58760262919627,"endHours":20.58760262919627,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:35","end":"21:35","startHours":20.58760262919627,"endHours":21.58760262919627,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:35","end":"22:35","startHours":21.58760262919627,"endHours":22.58760262919627,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:35","end":"23:35","startHours":22.58760262919627,"endHours":23.58760262919627,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:35","end":"00:35","startHours":23.58760262919627,"endHours":24.58760262919627,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:35","end":"01:35","startHours":24.58760262919627,"endHours":25.58760262919627,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:35","end":"02:35","startHours":25.58760262919627,"endHours":26.58760262919627,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:35","end":"03:35","startHours":26.58760262919627,"endHours":27.58760262919627,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:35","end":"04:35","startHours":27.58760262919627,"endHours":28.58760262919627,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:35","end":"05:35","startHours":28.58760262919627,"endHours":29.58760262919627,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:35","end":"06:35","startHours":29.58760262919627,"endHours":30.58760262919627,"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":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.63945647248134,"eotMinutes":-14.599525260622107,"ayanamsa":23.8546}},"calendars":{"vikram_samvat":2057,"vikram_samvatsara":"Vijaya","saka_samvat":1922,"saka_samvatsara":"Vikrama","bengali_samvat":1407,"malayalam_era":1176,"nanakshahi_year":531,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Aṣṭamī · Vikram 2057 Vijaya · Śaka 1922 Vikrama"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī + Kṛttikā","url":"/day/-3137-12-25","relevance":1},{"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}]},"validity":{"eternal":false,"location_specific":"varanasi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 13, 2000 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"February 13, 2000 CE for Vārāṇasī (Kāśī): Śukla Aṣṭamī, sūryodaya 06:35, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/2000-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/2000-02-13","sa":"https://sa.vidhyamitra.com/city/varanasi/2000-02-13","hi":"https://hi.vidhyamitra.com/city/varanasi/2000-02-13","x-default":"https://vidhyamitra.com/city/varanasi/2000-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T10:36:43.337Z","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":"2026-05-14T10:36:43.337Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T10:36:43.337Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}