{"id":"vidhyamitra:city-day:ayodhya:2037-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2037-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2037-01-18","date_display":"January 18, 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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465076.770833,"kali_year":5138,"ahargana":1876611.2708,"sun":{"sidereal_longitude":273.7325,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":294.2251,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.4926,"elapsed_within_tithi_degrees":8.4926},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":294.2251,"elapsed_within_degrees":0.8917},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.9576},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465076.770833,"ahargana":1876611.2708,"kali_year":5138,"ayanamsa_lahiri":24.3705,"grahas":{"sun":{"sidereal_longitude":273.9077970000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":291.76289700000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":-0.4793},"mars":{"sidereal_longitude":234.862397,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":249.84839699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":51.755897000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":258.247697,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":126.86419699999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":108.104,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":288.104,"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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465076.770833,"kali_year":5138,"ahargana":1876611.2708,"sun":{"sidereal_longitude":273.7325,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":294.2251,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.4926,"elapsed_within_tithi_degrees":8.4926},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":294.2251,"elapsed_within_degrees":0.8917},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.9576},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.479,"elongation":20.493},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.479,"opposition_distance":159.507}},"eclipse_window_40days":[{"offset_days":-2,"type":"solar","occurs":true,"moon_latitude":1.49,"elongation":2.819}]},"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":"06:51","sunsetLocal":"17:32","solarNoonLocal":"12:12","dayLengthHours":10.68331643677098,"dayLengthDisplay":"10 Hours 41 Mins 00 Secs","nightLengthDisplay":"13 Hours 19 Mins 00 Secs","moonriseLocal":"07:54","moonsetLocal":"18:52","rahuKala":{"name":"Rāhu Kāla","start":"16:12","end":"17:32","startHours":16.19846415681728,"endHours":17.533878711413653,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:12","end":"13:32","startHours":12.192220493028163,"endHours":13.527635047624536,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:52","end":"16:12","startHours":14.863049602220908,"endHours":16.19846415681728,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.343336109889234,"endHours":9.6994466577816,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.295700459508129,"endHours":7.580588897822023,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:33","startHours":11.836109945135798,"endHours":12.548331040920528,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:08","startHours":5.426120083073208,"endHours":6.1383411788579405,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.960285904911757,"endHours":6.850562274642672,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:41","startHours":13.972773232489992,"endHours":14.684994328274724,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.333878711413654,"endHours":17.733878711413652,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:59","startHours":17.533878711413653,"endHours":17.97901689627911,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.283878711413653,"endHours":19.033878711413653,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:33","startHours":23.836109945135796,"endHours":24.54833104092053,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:51","end":"08:11","startHours":6.850562274642672,"endHours":8.185976829239046,"quality":"inauspicious"},{"name":"Chala","start":"08:11","end":"09:31","startHours":8.185976829239046,"endHours":9.521391383835418,"quality":"neutral"},{"name":"Labha","start":"09:31","end":"10:51","startHours":9.521391383835418,"endHours":10.85680593843179,"quality":"auspicious"},{"name":"Amṛta","start":"10:51","end":"12:12","startHours":10.85680593843179,"endHours":12.192220493028163,"quality":"auspicious"},{"name":"Kāla","start":"12:12","end":"13:32","startHours":12.192220493028163,"endHours":13.527635047624536,"quality":"inauspicious"},{"name":"Śubha","start":"13:32","end":"14:52","startHours":13.527635047624536,"endHours":14.863049602220908,"quality":"auspicious"},{"name":"Roga","start":"14:52","end":"16:12","startHours":14.863049602220908,"endHours":16.19846415681728,"quality":"inauspicious"},{"name":"Udveg","start":"16:12","end":"17:32","startHours":16.19846415681728,"endHours":17.533878711413653,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:32","end":"19:12","startHours":17.533878711413653,"endHours":19.19846415681728,"quality":"auspicious"},{"name":"Roga","start":"19:12","end":"20:52","startHours":19.19846415681728,"endHours":20.863049602220908,"quality":"inauspicious"},{"name":"Udveg","start":"20:52","end":"22:32","startHours":20.863049602220908,"endHours":22.527635047624536,"quality":"inauspicious"},{"name":"Chala","start":"22:32","end":"00:12","startHours":22.527635047624536,"endHours":24.192220493028163,"quality":"neutral"},{"name":"Labha","start":"00:12","end":"01:51","startHours":24.192220493028163,"endHours":25.85680593843179,"quality":"auspicious"},{"name":"Amṛta","start":"01:51","end":"03:31","startHours":25.85680593843179,"endHours":27.521391383835418,"quality":"auspicious"},{"name":"Kāla","start":"03:31","end":"05:11","startHours":27.521391383835418,"endHours":29.185976829239046,"quality":"inauspicious"},{"name":"Śubha","start":"05:11","end":"06:51","startHours":29.185976829239046,"endHours":30.850562274642673,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.850562274642672,"endHours":7.850562274642672,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.850562274642672,"endHours":8.850562274642673,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.850562274642673,"endHours":9.850562274642673,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.850562274642673,"endHours":10.850562274642673,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.850562274642673,"endHours":11.850562274642673,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.850562274642673,"endHours":12.850562274642673,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.850562274642673,"endHours":13.850562274642673,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.850562274642673,"endHours":14.850562274642673,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.850562274642673,"endHours":15.850562274642673,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.850562274642673,"endHours":16.850562274642673,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.850562274642673,"endHours":17.850562274642673,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.850562274642673,"endHours":18.850562274642673,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.850562274642673,"endHours":19.850562274642673,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.850562274642673,"endHours":20.850562274642673,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.850562274642673,"endHours":21.850562274642673,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.850562274642673,"endHours":22.850562274642673,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.850562274642673,"endHours":23.850562274642673,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.850562274642673,"endHours":24.850562274642673,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.850562274642673,"endHours":25.850562274642673,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.850562274642673,"endHours":26.850562274642673,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.850562274642673,"endHours":27.850562274642673,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.850562274642673,"endHours":28.850562274642673,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.850562274642673,"endHours":29.850562274642673,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.850562274642673,"endHours":30.850562274642673,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.503574968251353,"eotMinutes":-10.349229581689698,"ayanamsa":24.3705}},"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 Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvitīyā · 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 January 18, 2037 CE · Ayodhyā · Vidhyamitra","description":"January 18, 2037 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:51, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2037-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2037-01-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2037-01-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2037-01-18","x-default":"https://vidhyamitra.com/city/ayodhya/2037-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:34:28.671Z","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":"2026-05-15T17:34:28.671Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:34:28.671Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}