{"id":"vidhyamitra:city-day:ayodhya:1685-12-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1685-12-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1685-12-31","date_display":"December 31, 1685 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":1685,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2336858.770833,"kali_year":4787,"ahargana":1748393.2708,"sun":{"sidereal_longitude":261.2235,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":330.0781,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.8545,"elapsed_within_tithi_degrees":8.8545},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.0781,"elapsed_within_degrees":10.0781},"yoga":{"number":18,"name":"Varīyān","sum_longitude":231.3016},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1685,"month":12,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2336858.770833,"ahargana":1748393.2708,"kali_year":4787,"ayanamsa_lahiri":19.4667,"grahas":{"sun":{"sidereal_longitude":260.6835679999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":332.33196799999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":-4.4982},"mars":{"sidereal_longitude":326.77046799999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":278.2759679999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":211.583568,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":308.860768,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":164.64396799999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":61.7107,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":241.7107,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"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":1685,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2336858.770833,"kali_year":4787,"ahargana":1748393.2708,"sun":{"sidereal_longitude":261.2235,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":330.0781,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.8545,"elapsed_within_tithi_degrees":8.8545},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.0781,"elapsed_within_degrees":10.0781},"yoga":{"number":18,"name":"Varīyān","sum_longitude":231.3016},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":68.855},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":111.145}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":-0.011,"opposition_distance":1.959}]},"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":10.483477938868965,"dayLengthDisplay":"10 Hours 29 Mins 01 Secs","nightLengthDisplay":"13 Hours 30 Mins 59 Secs","moonriseLocal":"10:55","moonsetLocal":"22:47","rahuKala":{"name":"Rāhu Kāla","start":"08:09","end":"09:27","startHours":8.142699688320892,"endHours":9.453134430679512,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:46","end":"12:04","startHours":10.763569173038134,"endHours":12.074003915396755,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:23","end":"14:42","startHours":13.384438657755375,"endHours":14.694873400113995,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:38","startHours":9.278409798365029,"endHours":9.627859062993995,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:33","startHours":7.269076526748479,"endHours":7.5486359384516515,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:25","startHours":11.72455465076779,"endHours":12.42345318002572,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:08","startHours":5.434467887446409,"endHours":6.133366416704341,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:50","startHours":5.958641784389858,"endHours":6.8322649459622715,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:49","end":"14:31","startHours":13.821250238541582,"endHours":14.520148767799514,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.11574288483124,"endHours":17.515742884831237,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:45","startHours":17.315742884831238,"endHours":17.752554465617443,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.065742884831238,"endHours":18.815742884831238,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:25","startHours":23.72455465076779,"endHours":24.42345318002572,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:50","end":"08:09","startHours":6.8322649459622715,"endHours":8.142699688320892,"quality":"auspicious"},{"name":"Kāla","start":"08:09","end":"09:27","startHours":8.142699688320892,"endHours":9.453134430679512,"quality":"inauspicious"},{"name":"Śubha","start":"09:27","end":"10:46","startHours":9.453134430679512,"endHours":10.763569173038134,"quality":"auspicious"},{"name":"Roga","start":"10:46","end":"12:04","startHours":10.763569173038134,"endHours":12.074003915396755,"quality":"inauspicious"},{"name":"Udveg","start":"12:04","end":"13:23","startHours":12.074003915396755,"endHours":13.384438657755375,"quality":"inauspicious"},{"name":"Chala","start":"13:23","end":"14:42","startHours":13.384438657755375,"endHours":14.694873400113995,"quality":"neutral"},{"name":"Labha","start":"14:42","end":"16:00","startHours":14.694873400113995,"endHours":16.005308142472618,"quality":"auspicious"},{"name":"Amṛta","start":"16:00","end":"17:19","startHours":16.005308142472618,"endHours":17.315742884831238,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:19","end":"19:00","startHours":17.315742884831238,"endHours":19.005308142472618,"quality":"neutral"},{"name":"Labha","start":"19:00","end":"20:42","startHours":19.005308142472618,"endHours":20.694873400114,"quality":"auspicious"},{"name":"Amṛta","start":"20:42","end":"22:23","startHours":20.694873400114,"endHours":22.384438657755375,"quality":"auspicious"},{"name":"Kāla","start":"22:23","end":"00:04","startHours":22.384438657755375,"endHours":24.074003915396755,"quality":"inauspicious"},{"name":"Śubha","start":"00:04","end":"01:46","startHours":24.074003915396755,"endHours":25.763569173038135,"quality":"auspicious"},{"name":"Roga","start":"01:46","end":"03:27","startHours":25.763569173038135,"endHours":27.453134430679512,"quality":"inauspicious"},{"name":"Udveg","start":"03:27","end":"05:09","startHours":27.453134430679512,"endHours":29.142699688320892,"quality":"inauspicious"},{"name":"Chala","start":"05:09","end":"06:50","startHours":29.142699688320892,"endHours":30.832264945962272,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.8322649459622715,"endHours":7.8322649459622715,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.8322649459622715,"endHours":8.832264945962272,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.832264945962272,"endHours":9.832264945962272,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.832264945962272,"endHours":10.832264945962272,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.832264945962272,"endHours":11.832264945962272,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.832264945962272,"endHours":12.832264945962272,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.832264945962272,"endHours":13.832264945962272,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.832264945962272,"endHours":14.832264945962272,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.832264945962272,"endHours":15.832264945962272,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.832264945962272,"endHours":16.832264945962272,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.832264945962272,"endHours":17.832264945962272,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.832264945962272,"endHours":18.832264945962272,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.832264945962272,"endHours":19.832264945962272,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.832264945962272,"endHours":20.832264945962272,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.832264945962272,"endHours":21.832264945962272,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.832264945962272,"endHours":22.832264945962272,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.832264945962272,"endHours":23.832264945962272,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.832264945962272,"endHours":24.832264945962272,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.832264945962272,"endHours":25.832264945962272,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.832264945962272,"endHours":26.832264945962272,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.832264945962272,"endHours":27.832264945962272,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.832264945962272,"endHours":28.832264945962272,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.832264945962272,"endHours":29.832264945962272,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.832264945962272,"endHours":30.832264945962272,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","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":-23.048334786689058,"eotMinutes":-3.2562349238053434,"ayanamsa":19.4667}},"calendars":{"vikram_samvat":1742,"vikram_samvatsara":"Bahudhānya","saka_samvat":1607,"saka_samvatsara":"Krodhana","bengali_samvat":1092,"malayalam_era":861,"nanakshahi_year":216,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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 Śukla Ṣaṣṭhī · Vikram 1742 Bahudhānya · Śaka 1607 Krodhana"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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, 1685 CE · Ayodhyā · Vidhyamitra","description":"December 31, 1685 CE for Ayodhyā: Śukla Ṣaṣṭhī, sūryodaya 06:50, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1685-12-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1685-12-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/1685-12-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/1685-12-31","x-default":"https://vidhyamitra.com/city/ayodhya/1685-12-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T05:21:07.551Z","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":"2026-06-03T05:21:07.551Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T05:21:07.551Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}