{"id":"vidhyamitra:city-day:dwarka:2285-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2285-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2285-12-13","date_display":"December 13, 2285 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":2285,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2555985.770833,"kali_year":5387,"ahargana":1967520.2708,"sun":{"sidereal_longitude":232.2081,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":54.6484,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.4403,"elapsed_within_tithi_degrees":2.4403},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.6484,"elapsed_within_degrees":1.3151},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.8565},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2285,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2555985.770833,"ahargana":1967520.2708,"kali_year":5387,"ayanamsa_lahiri":27.8475,"grahas":{"sun":{"sidereal_longitude":233.328305,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":55.984204999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":4.4696},"mars":{"sidereal_longitude":301.5406049999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":245.94280500000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":49.592404999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":183.95880499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":271.046505,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":331.3077,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":151.3077,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2285,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2555985.770833,"kali_year":5387,"ahargana":1967520.2708,"sun":{"sidereal_longitude":232.2081,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":54.6484,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.4403,"elapsed_within_tithi_degrees":2.4403},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.6484,"elapsed_within_degrees":1.3151},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.8565},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.47,"elongation":177.56},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.47,"opposition_distance":2.44}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:25","sunsetLocal":"18:13","solarNoonLocal":"12:49","dayLengthHours":10.790303119852519,"dayLengthDisplay":"10 Hours 47 Mins 25 Secs","nightLengthDisplay":"13 Hours 12 Mins 35 Secs","moonriseLocal":"18:16","moonsetLocal":"07:43","rahuKala":{"name":"Rāhu Kāla","start":"16:52","end":"18:13","startHours":16.863612832454393,"endHours":18.21240072243596,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:49","end":"14:10","startHours":12.8172491625097,"endHours":14.166037052491264,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:31","end":"16:52","startHours":15.51482494247283,"endHours":16.863612832454393,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:56","end":"10:18","startHours":9.939834997215694,"endHours":10.299511767877444,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:10","startHours":7.871693565910628,"endHours":8.159434982440029,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:27","end":"13:11","startHours":12.457572391847949,"endHours":13.176925933171448,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:59","end":"06:42","startHours":5.983390519936437,"endHours":6.7027440612599385,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:31","end":"07:25","startHours":6.522905675929064,"endHours":7.42209760258344,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:20","startHours":14.615633015818453,"endHours":15.334986557141955,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.01240072243596,"endHours":18.412400722435958,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:40","startHours":18.21240072243596,"endHours":18.661996685763146,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.96240072243596,"endHours":19.71240072243596,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:27","end":"01:11","startHours":24.457572391847947,"endHours":25.176925933171447,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:25","end":"08:46","startHours":7.42209760258344,"endHours":8.770885492565005,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:07","startHours":8.770885492565005,"endHours":10.11967338254657,"quality":"neutral"},{"name":"Labha","start":"10:07","end":"11:28","startHours":10.11967338254657,"endHours":11.468461272528135,"quality":"auspicious"},{"name":"Amṛta","start":"11:28","end":"12:49","startHours":11.468461272528135,"endHours":12.8172491625097,"quality":"auspicious"},{"name":"Kāla","start":"12:49","end":"14:10","startHours":12.8172491625097,"endHours":14.166037052491264,"quality":"inauspicious"},{"name":"Śubha","start":"14:10","end":"15:31","startHours":14.166037052491264,"endHours":15.51482494247283,"quality":"auspicious"},{"name":"Roga","start":"15:31","end":"16:52","startHours":15.51482494247283,"endHours":16.863612832454393,"quality":"inauspicious"},{"name":"Udveg","start":"16:52","end":"18:13","startHours":16.863612832454393,"endHours":18.21240072243596,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:13","end":"19:52","startHours":18.21240072243596,"endHours":19.863612832454393,"quality":"auspicious"},{"name":"Roga","start":"19:52","end":"21:31","startHours":19.863612832454393,"endHours":21.514824942472828,"quality":"inauspicious"},{"name":"Udveg","start":"21:31","end":"23:10","startHours":21.514824942472828,"endHours":23.166037052491262,"quality":"inauspicious"},{"name":"Chala","start":"23:10","end":"00:49","startHours":23.166037052491262,"endHours":24.8172491625097,"quality":"neutral"},{"name":"Labha","start":"00:49","end":"02:28","startHours":24.8172491625097,"endHours":26.468461272528135,"quality":"auspicious"},{"name":"Amṛta","start":"02:28","end":"04:07","startHours":26.468461272528135,"endHours":28.11967338254657,"quality":"auspicious"},{"name":"Kāla","start":"04:07","end":"05:46","startHours":28.11967338254657,"endHours":29.770885492565007,"quality":"inauspicious"},{"name":"Śubha","start":"05:46","end":"07:25","startHours":29.770885492565007,"endHours":31.42209760258344,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:25","end":"08:25","startHours":7.42209760258344,"endHours":8.42209760258344,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:25","end":"09:25","startHours":8.42209760258344,"endHours":9.42209760258344,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:25","end":"10:25","startHours":9.42209760258344,"endHours":10.42209760258344,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:25","end":"11:25","startHours":10.42209760258344,"endHours":11.42209760258344,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:25","end":"12:25","startHours":11.42209760258344,"endHours":12.42209760258344,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:25","end":"13:25","startHours":12.42209760258344,"endHours":13.42209760258344,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:25","end":"14:25","startHours":13.42209760258344,"endHours":14.42209760258344,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:25","end":"15:25","startHours":14.42209760258344,"endHours":15.42209760258344,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:25","end":"16:25","startHours":15.42209760258344,"endHours":16.42209760258344,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:25","end":"17:25","startHours":16.42209760258344,"endHours":17.42209760258344,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:25","end":"18:25","startHours":17.42209760258344,"endHours":18.42209760258344,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:25","end":"19:25","startHours":18.42209760258344,"endHours":19.42209760258344,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:25","end":"20:25","startHours":19.42209760258344,"endHours":20.42209760258344,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:25","end":"21:25","startHours":20.42209760258344,"endHours":21.42209760258344,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:25","end":"22:25","startHours":21.42209760258344,"endHours":22.42209760258344,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:25","end":"23:25","startHours":22.42209760258344,"endHours":23.42209760258344,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:25","end":"00:25","startHours":23.42209760258344,"endHours":24.42209760258344,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:25","end":"01:25","startHours":24.42209760258344,"endHours":25.42209760258344,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:25","end":"02:25","startHours":25.42209760258344,"endHours":26.42209760258344,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:25","end":"03:25","startHours":26.42209760258344,"endHours":27.42209760258344,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:25","end":"04:25","startHours":27.42209760258344,"endHours":28.42209760258344,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:25","end":"05:25","startHours":28.42209760258344,"endHours":29.42209760258344,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:25","end":"06:25","startHours":29.42209760258344,"endHours":30.42209760258344,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:25","end":"07:25","startHours":30.42209760258344,"endHours":31.42209760258344,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.14284124436816,"eotMinutes":5.090650249418121,"ayanamsa":27.8475}},"calendars":{"vikram_samvat":2342,"vikram_samvatsara":"Bahudhānya","saka_samvat":2207,"saka_samvatsara":"Krodhana","bengali_samvat":1692,"malayalam_era":1461,"nanakshahi_year":816,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa 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 Kṛṣṇa Pratipada · Vikram 2342 Bahudhānya · Śaka 2207 Krodhana"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 13, 2285 CE · Dvārakā · Vidhyamitra","description":"December 13, 2285 CE for Dvārakā: Kṛṣṇa Pratipada, sūryodaya 07:25, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2285-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2285-12-13","sa":"https://sa.vidhyamitra.com/city/dwarka/2285-12-13","hi":"https://hi.vidhyamitra.com/city/dwarka/2285-12-13","x-default":"https://vidhyamitra.com/city/dwarka/2285-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:19:48.021Z","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":"2026-06-01T16:19:48.022Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:19:48.022Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}