{"id":"vidhyamitra:city-day:ayodhya:2037-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2037-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2037-02-01","date_display":"February 1, 2037 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":2037,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465090.770833,"kali_year":5138,"ahargana":1876625.2708,"sun":{"sidereal_longitude":288.0718,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":113.1286,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":185.0568,"elapsed_within_tithi_degrees":5.0568},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":113.1286,"elapsed_within_degrees":6.462},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.2004},"karana":{"half_tithi_index":30,"name":"Bālava"},"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":2037,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465090.770833,"ahargana":1876625.2708,"kali_year":5138,"ayanamsa_lahiri":24.3711,"grahas":{"sun":{"sidereal_longitude":288.1419619999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":114.582562,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":0.4517},"mars":{"sidereal_longitude":244.79946199999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":268.553362,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":51.03426200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":275.801062,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":125.908162,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":107.3622,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":287.3622,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"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":2037,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465090.770833,"kali_year":5138,"ahargana":1876625.2708,"sun":{"sidereal_longitude":288.0718,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":113.1286,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":185.0568,"elapsed_within_tithi_degrees":5.0568},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":113.1286,"elapsed_within_degrees":6.462},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.2004},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.452,"elongation":174.943},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.452,"opposition_distance":5.057}},"eclipse_window_40days":[{"offset_days":-16,"type":"solar","occurs":true,"moon_latitude":1.49,"elongation":2.819},{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":-1.163,"elongation":0.724}]},"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":"06:47","sunsetLocal":"17:43","solarNoonLocal":"12:15","dayLengthHours":10.943472229981685,"dayLengthDisplay":"10 Hours 56 Mins 37 Secs","nightLengthDisplay":"13 Hours 03 Mins 23 Secs","moonriseLocal":"18:06","moonsetLocal":"07:15","rahuKala":{"name":"Rāhu Kāla","start":"16:21","end":"17:43","startHours":16.35169122153306,"endHours":17.71962525028077,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:15","end":"13:37","startHours":12.247889135289928,"endHours":13.61582316403764,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:59","end":"16:21","startHours":14.98375719278535,"endHours":16.35169122153306,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.32962987396148,"endHours":9.694412281627535,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:31","startHours":7.232131029881656,"endHours":7.523956956014501,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.883106727623872,"endHours":12.612671542955983,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:19","end":"06:03","startHours":5.317023389634861,"endHours":6.046588204966973,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:47","startHours":5.864197001133945,"endHours":6.776153020299086,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.071801173620209,"endHours":14.801365988952321,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.51962525028077,"endHours":17.91962525028077,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:11","startHours":17.71962525028077,"endHours":18.17560325986334,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.46962525028077,"endHours":19.21962525028077,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.883106727623872,"endHours":24.612671542955983,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:47","end":"08:09","startHours":6.776153020299086,"endHours":8.144087049046796,"quality":"inauspicious"},{"name":"Chala","start":"08:09","end":"09:31","startHours":8.144087049046796,"endHours":9.512021077794508,"quality":"neutral"},{"name":"Labha","start":"09:31","end":"10:53","startHours":9.512021077794508,"endHours":10.879955106542218,"quality":"auspicious"},{"name":"Amṛta","start":"10:53","end":"12:15","startHours":10.879955106542218,"endHours":12.247889135289928,"quality":"auspicious"},{"name":"Kāla","start":"12:15","end":"13:37","startHours":12.247889135289928,"endHours":13.61582316403764,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"14:59","startHours":13.61582316403764,"endHours":14.98375719278535,"quality":"auspicious"},{"name":"Roga","start":"14:59","end":"16:21","startHours":14.98375719278535,"endHours":16.35169122153306,"quality":"inauspicious"},{"name":"Udveg","start":"16:21","end":"17:43","startHours":16.35169122153306,"endHours":17.71962525028077,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:43","end":"19:21","startHours":17.71962525028077,"endHours":19.35169122153306,"quality":"auspicious"},{"name":"Roga","start":"19:21","end":"20:59","startHours":19.35169122153306,"endHours":20.98375719278535,"quality":"inauspicious"},{"name":"Udveg","start":"20:59","end":"22:37","startHours":20.98375719278535,"endHours":22.61582316403764,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"00:15","startHours":22.61582316403764,"endHours":24.247889135289928,"quality":"neutral"},{"name":"Labha","start":"00:15","end":"01:53","startHours":24.247889135289928,"endHours":25.87995510654222,"quality":"auspicious"},{"name":"Amṛta","start":"01:53","end":"03:31","startHours":25.87995510654222,"endHours":27.512021077794508,"quality":"auspicious"},{"name":"Kāla","start":"03:31","end":"05:09","startHours":27.512021077794508,"endHours":29.144087049046796,"quality":"inauspicious"},{"name":"Śubha","start":"05:09","end":"06:47","startHours":29.144087049046796,"endHours":30.776153020299084,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.776153020299086,"endHours":7.776153020299086,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.776153020299086,"endHours":8.776153020299086,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.776153020299086,"endHours":9.776153020299086,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.776153020299086,"endHours":10.776153020299086,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.776153020299086,"endHours":11.776153020299086,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.776153020299086,"endHours":12.776153020299086,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.776153020299086,"endHours":13.776153020299086,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.776153020299086,"endHours":14.776153020299086,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.776153020299086,"endHours":15.776153020299086,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.776153020299086,"endHours":16.776153020299084,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.776153020299084,"endHours":17.776153020299084,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.776153020299084,"endHours":18.776153020299084,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.776153020299084,"endHours":19.776153020299084,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.776153020299084,"endHours":20.776153020299084,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.776153020299084,"endHours":21.776153020299084,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.776153020299084,"endHours":22.776153020299084,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.776153020299084,"endHours":23.776153020299084,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.776153020299084,"endHours":24.776153020299084,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.776153020299084,"endHours":25.776153020299084,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.776153020299084,"endHours":26.776153020299084,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.776153020299084,"endHours":27.776153020299084,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.776153020299084,"endHours":28.776153020299084,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.776153020299084,"endHours":29.776153020299084,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.776153020299084,"endHours":30.776153020299084,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","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":-17.048306254595424,"eotMinutes":-13.689348117395623,"ayanamsa":24.3711}},"calendars":{"vikram_samvat":2094,"vikram_samvatsara":"Pramoda","saka_samvat":1959,"saka_samvatsara":"Piṅgala","bengali_samvat":1444,"malayalam_era":1213,"nanakshahi_year":568,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Pratipada · Vikram 2094 Pramoda · Śaka 1959 Piṅgala"},"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":"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":[]},"validity":{"eternal":false,"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, 2037 CE · Ayodhyā · Vidhyamitra","description":"February 1, 2037 CE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 06:47, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2037-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2037-02-01","sa":"https://sa.vidhyamitra.com/city/ayodhya/2037-02-01","hi":"https://hi.vidhyamitra.com/city/ayodhya/2037-02-01","x-default":"https://vidhyamitra.com/city/ayodhya/2037-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:43:44.524Z","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":"2026-05-15T07:43:44.524Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:43:44.524Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}