{"id":"vidhyamitra:city-day:ayodhya:2170-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2170-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-01-18","date_display":"January 18, 2170 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":2170,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513653.770833,"kali_year":5271,"ahargana":1925188.2708,"sun":{"sidereal_longitude":271.2539,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":283.3816,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.1278,"elapsed_within_tithi_degrees":0.1278},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":283.3816,"elapsed_within_degrees":3.3816},"yoga":{"number":15,"name":"Vajra","sum_longitude":194.6355},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2170,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513653.770833,"ahargana":1925188.2708,"kali_year":5271,"ayanamsa_lahiri":26.2284,"grahas":{"sun":{"sidereal_longitude":271.7598989999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":281.43819899999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-3.4009},"mars":{"sidereal_longitude":149.37469899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":258.160299,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":140.125899,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":282.97759900000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":295.68309899999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":54.2608,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":234.2608,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2170,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513653.770833,"kali_year":5271,"ahargana":1925188.2708,"sun":{"sidereal_longitude":271.2539,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":283.3816,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.1278,"elapsed_within_tithi_degrees":0.1278},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":283.3816,"elapsed_within_degrees":3.3816},"yoga":{"number":15,"name":"Vajra","sum_longitude":194.6355},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.401,"elongation":12.128},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.401,"opposition_distance":167.872}},"eclipse_window_40days":[]},"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":10.678840353006358,"dayLengthDisplay":"10 Hours 40 Mins 44 Secs","nightLengthDisplay":"13 Hours 19 Mins 16 Secs","moonriseLocal":"07:26","moonsetLocal":"18:14","rahuKala":{"name":"Rāhu Kāla","start":"13:32","end":"14:52","startHours":13.527075537153959,"endHours":14.861930581279754,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:51","end":"08:11","startHours":6.852800316524985,"endHours":8.18765536065078,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:31","end":"10:51","startHours":9.522510404776575,"endHours":10.85736544890237,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.34452973222647,"endHours":9.700491077326681,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.29775199790025,"endHours":7.58252107398042,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:33","startHours":11.83625914792795,"endHours":12.548181838128375,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:08","startHours":5.428954936124137,"endHours":6.140877626324562,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.962896953774456,"endHours":6.852800316524985,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:41","startHours":13.972027218529224,"endHours":14.683949908729648,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.331640669531343,"endHours":17.73164066953134,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:59","startHours":17.531640669531342,"endHours":17.976592350906607,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.281640669531342,"endHours":19.031640669531342,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:33","startHours":23.83625914792795,"endHours":24.548181838128375,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:51","end":"08:11","startHours":6.852800316524985,"endHours":8.18765536065078,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:31","startHours":8.18765536065078,"endHours":9.522510404776575,"quality":"inauspicious"},{"name":"Udveg","start":"09:31","end":"10:51","startHours":9.522510404776575,"endHours":10.85736544890237,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:12","startHours":10.85736544890237,"endHours":12.192220493028163,"quality":"neutral"},{"name":"Labha","start":"12:12","end":"13:32","startHours":12.192220493028163,"endHours":13.527075537153959,"quality":"auspicious"},{"name":"Amṛta","start":"13:32","end":"14:52","startHours":13.527075537153959,"endHours":14.861930581279754,"quality":"auspicious"},{"name":"Kāla","start":"14:52","end":"16:12","startHours":14.861930581279754,"endHours":16.196785625405546,"quality":"inauspicious"},{"name":"Śubha","start":"16:12","end":"17:32","startHours":16.196785625405546,"endHours":17.531640669531342,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:32","end":"19:12","startHours":17.531640669531342,"endHours":19.196785625405546,"quality":"auspicious"},{"name":"Kāla","start":"19:12","end":"20:52","startHours":19.196785625405546,"endHours":20.86193058127975,"quality":"inauspicious"},{"name":"Śubha","start":"20:52","end":"22:32","startHours":20.86193058127975,"endHours":22.52707553715396,"quality":"auspicious"},{"name":"Roga","start":"22:32","end":"00:12","startHours":22.52707553715396,"endHours":24.192220493028163,"quality":"inauspicious"},{"name":"Udveg","start":"00:12","end":"01:51","startHours":24.192220493028163,"endHours":25.857365448902367,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:31","startHours":25.857365448902367,"endHours":27.522510404776575,"quality":"neutral"},{"name":"Labha","start":"03:31","end":"05:11","startHours":27.522510404776575,"endHours":29.18765536065078,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:51","startHours":29.18765536065078,"endHours":30.852800316524984,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.852800316524985,"endHours":7.852800316524985,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.852800316524985,"endHours":8.852800316524984,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.852800316524984,"endHours":9.852800316524984,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.852800316524984,"endHours":10.852800316524984,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.852800316524984,"endHours":11.852800316524984,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.852800316524984,"endHours":12.852800316524984,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.852800316524984,"endHours":13.852800316524984,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.852800316524984,"endHours":14.852800316524984,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.852800316524984,"endHours":15.852800316524984,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.852800316524984,"endHours":16.852800316524984,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.852800316524984,"endHours":17.852800316524984,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.852800316524984,"endHours":18.852800316524984,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.852800316524984,"endHours":19.852800316524984,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.852800316524984,"endHours":20.852800316524984,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.852800316524984,"endHours":21.852800316524984,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.852800316524984,"endHours":22.852800316524984,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.852800316524984,"endHours":23.852800316524984,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.852800316524984,"endHours":24.852800316524984,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.852800316524984,"endHours":25.852800316524984,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.852800316524984,"endHours":26.852800316524984,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.852800316524984,"endHours":27.852800316524984,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.852800316524984,"endHours":28.852800316524984,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.852800316524984,"endHours":29.852800316524984,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.852800316524984,"endHours":30.852800316524984,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Mudgara","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":-20.561650701163284,"eotMinutes":-10.349229581689698,"ayanamsa":26.2284}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvitīyā · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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, 2170 CE · Ayodhyā · Vidhyamitra","description":"January 18, 2170 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:51, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2170-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2170-01-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2170-01-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2170-01-18","x-default":"https://vidhyamitra.com/city/ayodhya/2170-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T11:38:57.222Z","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":"2026-05-20T11:38:57.222Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T11:38:57.222Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}