{"id":"vidhyamitra:city-day:ayodhya:2173-12-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2173-12-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-12-31","date_display":"December 31, 2173 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2173,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515096.770833,"kali_year":5275,"ahargana":1926631.2708,"sun":{"sidereal_longitude":252.718,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":205.9819,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":313.2639,"elapsed_within_tithi_degrees":1.2639},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.9819,"elapsed_within_degrees":5.9819},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.6998},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":2173,"month":12,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515096.770833,"ahargana":1926631.2708,"kali_year":5275,"ayanamsa_lahiri":26.2836,"grahas":{"sun":{"sidereal_longitude":253.39276500000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":205.40376500000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":-3.352},"mars":{"sidereal_longitude":182.275665,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":270.25376499999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":244.52326500000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":210.30896499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":339.523465,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":337.8037,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":157.8037,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2173,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515096.770833,"kali_year":5275,"ahargana":1926631.2708,"sun":{"sidereal_longitude":252.718,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":205.9819,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":313.2639,"elapsed_within_tithi_degrees":1.2639},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":205.9819,"elapsed_within_degrees":5.9819},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.6998},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.352,"elongation":46.736},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.352,"opposition_distance":133.264}},"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":"06:50","sunsetLocal":"17:19","solarNoonLocal":"12:04","dayLengthHours":10.48065173645685,"dayLengthDisplay":"10 Hours 28 Mins 50 Secs","nightLengthDisplay":"13 Hours 31 Mins 10 Secs","moonriseLocal":"03:28","moonsetLocal":"14:17","rahuKala":{"name":"Rāhu Kāla","start":"10:46","end":"12:04","startHours":10.763922448339649,"endHours":12.074003915396755,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:42","end":"16:00","startHours":14.694166849510967,"endHours":16.004248316568074,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:09","end":"09:27","startHours":8.143759514225437,"endHours":9.453840981282543,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:38","startHours":9.279163452341596,"endHours":9.628518510223492,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:33","startHours":7.2703718695207,"endHours":7.549855915826216,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:25","startHours":11.72464885751486,"endHours":12.423358973278651,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:08","startHours":5.436257815640752,"endHours":6.1349679314045416,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:50","startHours":5.960290402463594,"endHours":6.833678047168331,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:49","end":"14:31","startHours":13.82077920480623,"endHours":14.51948932057002,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.11432978362518,"endHours":17.51432978362518,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:45","startHours":17.31432978362518,"endHours":17.751023605977547,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.06432978362518,"endHours":18.81432978362518,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:25","startHours":23.72464885751486,"endHours":24.42335897327865,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:50","end":"08:09","startHours":6.833678047168331,"endHours":8.143759514225437,"quality":"neutral"},{"name":"Labha","start":"08:09","end":"09:27","startHours":8.143759514225437,"endHours":9.453840981282543,"quality":"auspicious"},{"name":"Amṛta","start":"09:27","end":"10:46","startHours":9.453840981282543,"endHours":10.763922448339649,"quality":"auspicious"},{"name":"Kāla","start":"10:46","end":"12:04","startHours":10.763922448339649,"endHours":12.074003915396755,"quality":"inauspicious"},{"name":"Śubha","start":"12:04","end":"13:23","startHours":12.074003915396755,"endHours":13.384085382453861,"quality":"auspicious"},{"name":"Roga","start":"13:23","end":"14:42","startHours":13.384085382453861,"endHours":14.694166849510967,"quality":"inauspicious"},{"name":"Udveg","start":"14:42","end":"16:00","startHours":14.694166849510967,"endHours":16.004248316568074,"quality":"inauspicious"},{"name":"Chala","start":"16:00","end":"17:19","startHours":16.004248316568074,"endHours":17.31432978362518,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:19","end":"19:00","startHours":17.31432978362518,"endHours":19.004248316568074,"quality":"inauspicious"},{"name":"Udveg","start":"19:00","end":"20:42","startHours":19.004248316568074,"endHours":20.694166849510967,"quality":"inauspicious"},{"name":"Chala","start":"20:42","end":"22:23","startHours":20.694166849510967,"endHours":22.38408538245386,"quality":"neutral"},{"name":"Labha","start":"22:23","end":"00:04","startHours":22.38408538245386,"endHours":24.074003915396755,"quality":"auspicious"},{"name":"Amṛta","start":"00:04","end":"01:46","startHours":24.074003915396755,"endHours":25.76392244833965,"quality":"auspicious"},{"name":"Kāla","start":"01:46","end":"03:27","startHours":25.76392244833965,"endHours":27.453840981282543,"quality":"inauspicious"},{"name":"Śubha","start":"03:27","end":"05:09","startHours":27.453840981282543,"endHours":29.143759514225437,"quality":"auspicious"},{"name":"Roga","start":"05:09","end":"06:50","startHours":29.143759514225437,"endHours":30.83367804716833,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.833678047168331,"endHours":7.833678047168331,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.833678047168331,"endHours":8.83367804716833,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.83367804716833,"endHours":9.83367804716833,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.83367804716833,"endHours":10.83367804716833,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.83367804716833,"endHours":11.83367804716833,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.83367804716833,"endHours":12.83367804716833,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.83367804716833,"endHours":13.83367804716833,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.83367804716833,"endHours":14.83367804716833,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.83367804716833,"endHours":15.83367804716833,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.83367804716833,"endHours":16.83367804716833,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.83367804716833,"endHours":17.83367804716833,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.83367804716833,"endHours":18.83367804716833,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.83367804716833,"endHours":19.83367804716833,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.83367804716833,"endHours":20.83367804716833,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.83367804716833,"endHours":21.83367804716833,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.83367804716833,"endHours":22.83367804716833,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.83367804716833,"endHours":23.83367804716833,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.83367804716833,"endHours":24.83367804716833,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.83367804716833,"endHours":25.83367804716833,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.83367804716833,"endHours":26.83367804716833,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.83367804716833,"endHours":27.83367804716833,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.83367804716833,"endHours":28.83367804716833,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.83367804716833,"endHours":29.83367804716833,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.83367804716833,"endHours":30.83367804716833,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.08360378409922,"eotMinutes":-3.2562349238053434,"ayanamsa":26.2836}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Dvādaśī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"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 31, 2173 CE · Ayodhyā · Vidhyamitra","description":"December 31, 2173 CE for Ayodhyā: Kṛṣṇa Dvādaśī, sūryodaya 06:50, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2173-12-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2173-12-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/2173-12-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/2173-12-31","x-default":"https://vidhyamitra.com/city/ayodhya/2173-12-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-04T18:24:22.828Z","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":"2026-09-04T18:24:22.828Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-04T18:24:22.828Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}