{"id":"vidhyamitra:city-day:ayodhya:2167-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2167-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2167-12-18","date_display":"December 18, 2167 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":2167,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512891.770833,"kali_year":5269,"ahargana":1924426.2708,"sun":{"sidereal_longitude":238.905,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":314.5964,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.6914,"elapsed_within_tithi_degrees":3.6914},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.5964,"elapsed_within_degrees":7.9297},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.5013},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2167,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512891.770833,"ahargana":1924426.2708,"kali_year":5269,"ayanamsa_lahiri":26.1993,"grahas":{"sun":{"sidereal_longitude":239.68801299999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":311.23701299999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":-2.8885},"mars":{"sidereal_longitude":116.36291299999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":257.932413,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":74.214113,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":206.35911299999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":271.42671300000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":94.6352,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.6352,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2167,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512891.770833,"kali_year":5269,"ahargana":1924426.2708,"sun":{"sidereal_longitude":238.905,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":314.5964,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.6914,"elapsed_within_tithi_degrees":3.6914},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.5964,"elapsed_within_degrees":7.9297},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.5013},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.888,"elongation":75.691},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.888,"opposition_distance":104.309}},"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":"06:45","sunsetLocal":"17:12","solarNoonLocal":"11:58","dayLengthHours":10.457434902470506,"dayLengthDisplay":"10 Hours 27 Mins 27 Secs","nightLengthDisplay":"13 Hours 32 Mins 33 Secs","moonriseLocal":"11:00","moonsetLocal":"22:29","rahuKala":{"name":"Rāhu Kāla","start":"10:40","end":"11:58","startHours":10.6660918480555,"endHours":11.973271210864313,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:35","end":"15:54","startHours":14.587629936481939,"endHours":15.894809299290753,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:03","end":"09:22","startHours":8.051733122437874,"endHours":9.358912485246687,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:32","startHours":9.184621903538845,"endHours":9.533203066954528,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:28","startHours":7.180280213898664,"endHours":7.4591451446312105,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.62469004744863,"endHours":12.321852374279997,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:03","startHours":5.350229105966326,"endHours":6.047391432797693,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:45","startHours":5.873100851089851,"endHours":6.74455375962906,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:25","startHours":13.71617702794273,"endHours":14.413339354774099,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.001988662099567,"endHours":17.401988662099566,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.201988662099566,"endHours":17.637715116369172,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.951988662099566,"endHours":18.701988662099566,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.624690047448627,"endHours":24.321852374279995,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:45","end":"08:03","startHours":6.74455375962906,"endHours":8.051733122437874,"quality":"neutral"},{"name":"Labha","start":"08:03","end":"09:22","startHours":8.051733122437874,"endHours":9.358912485246687,"quality":"auspicious"},{"name":"Amṛta","start":"09:22","end":"10:40","startHours":9.358912485246687,"endHours":10.6660918480555,"quality":"auspicious"},{"name":"Kāla","start":"10:40","end":"11:58","startHours":10.6660918480555,"endHours":11.973271210864313,"quality":"inauspicious"},{"name":"Śubha","start":"11:58","end":"13:17","startHours":11.973271210864313,"endHours":13.280450573673127,"quality":"auspicious"},{"name":"Roga","start":"13:17","end":"14:35","startHours":13.280450573673127,"endHours":14.587629936481939,"quality":"inauspicious"},{"name":"Udveg","start":"14:35","end":"15:54","startHours":14.587629936481939,"endHours":15.894809299290753,"quality":"inauspicious"},{"name":"Chala","start":"15:54","end":"17:12","startHours":15.894809299290753,"endHours":17.201988662099566,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:12","end":"18:54","startHours":17.201988662099566,"endHours":18.894809299290753,"quality":"inauspicious"},{"name":"Udveg","start":"18:54","end":"20:35","startHours":18.894809299290753,"endHours":20.58762993648194,"quality":"inauspicious"},{"name":"Chala","start":"20:35","end":"22:17","startHours":20.58762993648194,"endHours":22.28045057367313,"quality":"neutral"},{"name":"Labha","start":"22:17","end":"23:58","startHours":22.28045057367313,"endHours":23.97327121086431,"quality":"auspicious"},{"name":"Amṛta","start":"23:58","end":"01:40","startHours":23.97327121086431,"endHours":25.6660918480555,"quality":"auspicious"},{"name":"Kāla","start":"01:40","end":"03:22","startHours":25.6660918480555,"endHours":27.358912485246687,"quality":"inauspicious"},{"name":"Śubha","start":"03:22","end":"05:03","startHours":27.358912485246687,"endHours":29.051733122437874,"quality":"auspicious"},{"name":"Roga","start":"05:03","end":"06:45","startHours":29.051733122437874,"endHours":30.74455375962906,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.74455375962906,"endHours":7.74455375962906,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.74455375962906,"endHours":8.74455375962906,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.74455375962906,"endHours":9.74455375962906,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.74455375962906,"endHours":10.74455375962906,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.74455375962906,"endHours":11.74455375962906,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.74455375962906,"endHours":12.74455375962906,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.74455375962906,"endHours":13.74455375962906,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.74455375962906,"endHours":14.74455375962906,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.74455375962906,"endHours":15.74455375962906,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.74455375962906,"endHours":16.74455375962906,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.74455375962906,"endHours":17.74455375962906,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.74455375962906,"endHours":18.74455375962906,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.74455375962906,"endHours":19.74455375962906,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.74455375962906,"endHours":20.74455375962906,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.74455375962906,"endHours":21.74455375962906,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.74455375962906,"endHours":22.74455375962906,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.74455375962906,"endHours":23.74455375962906,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.74455375962906,"endHours":24.74455375962906,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.74455375962906,"endHours":25.74455375962906,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.74455375962906,"endHours":26.74455375962906,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.74455375962906,"endHours":27.74455375962906,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.74455375962906,"endHours":28.74455375962906,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.74455375962906,"endHours":29.74455375962906,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.74455375962906,"endHours":30.74455375962906,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.372557215487102,"eotMinutes":2.787727348141232,"ayanamsa":26.1993}},"calendars":{"vikram_samvat":2224,"vikram_samvatsara":"Vikrama","saka_samvat":2089,"saka_samvatsara":"Prabhava","bengali_samvat":1574,"malayalam_era":1343,"nanakshahi_year":698,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Saptamī · Vikram 2224 Vikrama · Śaka 2089 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 December 18, 2167 CE · Ayodhyā · Vidhyamitra","description":"December 18, 2167 CE for Ayodhyā: Śukla Saptamī, sūryodaya 06:45, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2167-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2167-12-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2167-12-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2167-12-18","x-default":"https://vidhyamitra.com/city/ayodhya/2167-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:29:51.893Z","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":"2026-05-31T03:29:51.893Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:29:51.893Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}