{"id":"vidhyamitra:city-day:ayodhya:1818-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1818-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-02-07","date_display":"February 7, 1818 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":1818,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385107.770833,"kali_year":4919,"ahargana":1796642.2708,"sun":{"sidereal_longitude":296.9121,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":317.9864,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.0743,"elapsed_within_tithi_degrees":9.0743},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":317.9864,"elapsed_within_degrees":11.3197},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.8985},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1818,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385107.770833,"ahargana":1796642.2708,"kali_year":4919,"ayanamsa_lahiri":21.312,"grahas":{"sun":{"sidereal_longitude":296.42090099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":315.9775010000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-4.1496},"mars":{"sidereal_longitude":52.989801,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":275.85840099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":254.80460100000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":290.642101,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":316.481001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":25.2464,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":205.2464,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"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":1818,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385107.770833,"kali_year":4919,"ahargana":1796642.2708,"sun":{"sidereal_longitude":296.9121,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":317.9864,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.0743,"elapsed_within_tithi_degrees":9.0743},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":317.9864,"elapsed_within_degrees":11.3197},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.8985},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.15,"elongation":21.074},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.15,"opposition_distance":158.926}},"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":"06:44","sunsetLocal":"17:47","solarNoonLocal":"12:16","dayLengthHours":11.05541977578985,"dayLengthDisplay":"11 Hours 03 Mins 20 Secs","nightLengthDisplay":"12 Hours 56 Mins 40 Secs","moonriseLocal":"07:49","moonsetLocal":"19:18","rahuKala":{"name":"Rāhu Kāla","start":"09:30","end":"10:53","startHours":9.495505931208651,"endHours":10.877433403182382,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:01","startHours":13.641288347129844,"endHours":15.023215819103577,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:44","end":"08:07","startHours":6.731650987261188,"endHours":8.113578459234919,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.311248934945485,"endHours":9.679762927471815,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:29","startHours":7.192293477919098,"endHours":7.487104671940161,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.890846882629784,"endHours":12.62787486768244,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:15","end":"06:00","startHours":5.257595017155874,"endHours":5.994623002208531,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:44","startHours":5.810366005945367,"endHours":6.731650987261188,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:50","startHours":14.101930837787755,"endHours":14.838958822840413,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.587070763051038,"endHours":17.987070763051037,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:15","startHours":17.787070763051037,"endHours":18.247713253708948,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.537070763051037,"endHours":19.287070763051037,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.890846882629784,"endHours":24.62787486768244,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:44","end":"08:07","startHours":6.731650987261188,"endHours":8.113578459234919,"quality":"inauspicious"},{"name":"Śubha","start":"08:07","end":"09:30","startHours":8.113578459234919,"endHours":9.495505931208651,"quality":"auspicious"},{"name":"Roga","start":"09:30","end":"10:53","startHours":9.495505931208651,"endHours":10.877433403182382,"quality":"inauspicious"},{"name":"Udveg","start":"10:53","end":"12:16","startHours":10.877433403182382,"endHours":12.259360875156112,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:38","startHours":12.259360875156112,"endHours":13.641288347129844,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:01","startHours":13.641288347129844,"endHours":15.023215819103577,"quality":"auspicious"},{"name":"Amṛta","start":"15:01","end":"16:24","startHours":15.023215819103577,"endHours":16.405143291077305,"quality":"auspicious"},{"name":"Kāla","start":"16:24","end":"17:47","startHours":16.405143291077305,"endHours":17.787070763051037,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:47","end":"19:24","startHours":17.787070763051037,"endHours":19.405143291077305,"quality":"auspicious"},{"name":"Amṛta","start":"19:24","end":"21:01","startHours":19.405143291077305,"endHours":21.023215819103577,"quality":"auspicious"},{"name":"Kāla","start":"21:01","end":"22:38","startHours":21.023215819103577,"endHours":22.641288347129844,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:16","startHours":22.641288347129844,"endHours":24.259360875156112,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:53","startHours":24.259360875156112,"endHours":25.87743340318238,"quality":"inauspicious"},{"name":"Udveg","start":"01:53","end":"03:30","startHours":25.87743340318238,"endHours":27.495505931208648,"quality":"inauspicious"},{"name":"Chala","start":"03:30","end":"05:07","startHours":27.495505931208648,"endHours":29.11357845923492,"quality":"neutral"},{"name":"Labha","start":"05:07","end":"06:44","startHours":29.11357845923492,"endHours":30.731650987261187,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.731650987261188,"endHours":7.731650987261188,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.731650987261188,"endHours":8.731650987261187,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.731650987261187,"endHours":9.731650987261187,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.731650987261187,"endHours":10.731650987261187,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.731650987261187,"endHours":11.731650987261187,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.731650987261187,"endHours":12.731650987261187,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.731650987261187,"endHours":13.731650987261187,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.731650987261187,"endHours":14.731650987261187,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.731650987261187,"endHours":15.731650987261187,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.731650987261187,"endHours":16.731650987261187,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.731650987261187,"endHours":17.731650987261187,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.731650987261187,"endHours":18.731650987261187,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.731650987261187,"endHours":19.731650987261187,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.731650987261187,"endHours":20.731650987261187,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.731650987261187,"endHours":21.731650987261187,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.731650987261187,"endHours":22.731650987261187,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.731650987261187,"endHours":23.731650987261187,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.731650987261187,"endHours":24.731650987261187,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.731650987261187,"endHours":25.731650987261187,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.731650987261187,"endHours":26.731650987261187,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.731650987261187,"endHours":27.731650987261187,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.731650987261187,"endHours":28.731650987261187,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.731650987261187,"endHours":29.731650987261187,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.731650987261187,"endHours":30.731650987261187,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"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":-15.51614822434138,"eotMinutes":-14.37765250936663,"ayanamsa":21.312}},"calendars":{"vikram_samvat":1875,"vikram_samvatsara":"Khara","saka_samvat":1740,"saka_samvatsara":"Bahudhānya","bengali_samvat":1225,"malayalam_era":994,"nanakshahi_year":349,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvitīyā · Vikram 1875 Khara · Śaka 1740 Bahudhānya"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 7, 1818 CE · Ayodhyā · Vidhyamitra","description":"February 7, 1818 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:44, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1818-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1818-02-07","sa":"https://sa.vidhyamitra.com/city/ayodhya/1818-02-07","hi":"https://hi.vidhyamitra.com/city/ayodhya/1818-02-07","x-default":"https://vidhyamitra.com/city/ayodhya/1818-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T16:47:35.513Z","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":"2026-05-21T16:47:35.513Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T16:47:35.513Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}