{"id":"vidhyamitra:city-day:ayodhya:2013-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2013-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-01-13","date_display":"January 13, 2013 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":2013,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456305.770833,"kali_year":5114,"ahargana":1867840.2708,"sun":{"sidereal_longitude":268.8145,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":285.9222,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.1077,"elapsed_within_tithi_degrees":5.1077},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.9222,"elapsed_within_degrees":5.9222},"yoga":{"number":15,"name":"Vajra","sum_longitude":194.7367},"karana":{"half_tithi_index":2,"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":2013,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456305.770833,"ahargana":1867840.2708,"kali_year":5114,"ayanamsa_lahiri":24.0351,"grahas":{"sun":{"sidereal_longitude":268.973514,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":285.688314,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":4.305},"mars":{"sidereal_longitude":289.993614,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":265.504314,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":42.40031399999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":250.651114,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":196.076814,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":212.8338,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":32.8338,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2013,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456305.770833,"kali_year":5114,"ahargana":1867840.2708,"sun":{"sidereal_longitude":268.8145,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":285.9222,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.1077,"elapsed_within_tithi_degrees":5.1077},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.9222,"elapsed_within_degrees":5.9222},"yoga":{"number":15,"name":"Vajra","sum_longitude":194.7367},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.305,"elongation":17.108},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.305,"opposition_distance":162.892}},"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":"06:52","sunsetLocal":"17:28","solarNoonLocal":"12:10","dayLengthHours":10.607964313857396,"dayLengthDisplay":"10 Hours 36 Mins 29 Secs","nightLengthDisplay":"13 Hours 23 Mins 31 Secs","moonriseLocal":"07:51","moonsetLocal":"18:42","rahuKala":{"name":"Rāhu Kāla","start":"16:08","end":"17:28","startHours":16.14165214255275,"endHours":17.467647681784925,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:10","end":"13:29","startHours":12.163665524856228,"endHours":13.489661064088402,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:49","end":"16:08","startHours":14.815656603320576,"endHours":16.14165214255275,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:41","startHours":9.33487504116092,"endHours":9.688473851622835,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.30168188100492,"endHours":7.584560929374451,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:31","startHours":11.810066714394315,"endHours":12.51726433531814,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:09","startHours":5.445288126079876,"endHours":6.152485747003702,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:52","startHours":5.975686341772746,"endHours":6.859683367927529,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:38","startHours":13.931659577165792,"endHours":14.63885719808962,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.267647681784926,"endHours":17.667647681784924,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:55","startHours":17.467647681784925,"endHours":17.909646194862315,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.217647681784925,"endHours":18.967647681784925,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:31","startHours":23.810066714394313,"endHours":24.517264335318142,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:52","end":"08:11","startHours":6.859683367927529,"endHours":8.185678907159703,"quality":"inauspicious"},{"name":"Chala","start":"08:11","end":"09:31","startHours":8.185678907159703,"endHours":9.511674446391877,"quality":"neutral"},{"name":"Labha","start":"09:31","end":"10:50","startHours":9.511674446391877,"endHours":10.837669985624053,"quality":"auspicious"},{"name":"Amṛta","start":"10:50","end":"12:10","startHours":10.837669985624053,"endHours":12.163665524856228,"quality":"auspicious"},{"name":"Kāla","start":"12:10","end":"13:29","startHours":12.163665524856228,"endHours":13.489661064088402,"quality":"inauspicious"},{"name":"Śubha","start":"13:29","end":"14:49","startHours":13.489661064088402,"endHours":14.815656603320576,"quality":"auspicious"},{"name":"Roga","start":"14:49","end":"16:08","startHours":14.815656603320576,"endHours":16.14165214255275,"quality":"inauspicious"},{"name":"Udveg","start":"16:08","end":"17:28","startHours":16.14165214255275,"endHours":17.467647681784925,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:28","end":"19:08","startHours":17.467647681784925,"endHours":19.14165214255275,"quality":"auspicious"},{"name":"Roga","start":"19:08","end":"20:49","startHours":19.14165214255275,"endHours":20.815656603320576,"quality":"inauspicious"},{"name":"Udveg","start":"20:49","end":"22:29","startHours":20.815656603320576,"endHours":22.489661064088402,"quality":"inauspicious"},{"name":"Chala","start":"22:29","end":"00:10","startHours":22.489661064088402,"endHours":24.163665524856228,"quality":"neutral"},{"name":"Labha","start":"00:10","end":"01:50","startHours":24.163665524856228,"endHours":25.837669985624053,"quality":"auspicious"},{"name":"Amṛta","start":"01:50","end":"03:31","startHours":25.837669985624053,"endHours":27.51167444639188,"quality":"auspicious"},{"name":"Kāla","start":"03:31","end":"05:11","startHours":27.51167444639188,"endHours":29.185678907159705,"quality":"inauspicious"},{"name":"Śubha","start":"05:11","end":"06:52","startHours":29.185678907159705,"endHours":30.85968336792753,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.859683367927529,"endHours":7.859683367927529,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.859683367927529,"endHours":8.859683367927529,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.859683367927529,"endHours":9.859683367927529,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.859683367927529,"endHours":10.859683367927529,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.859683367927529,"endHours":11.859683367927529,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.859683367927529,"endHours":12.859683367927529,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.859683367927529,"endHours":13.859683367927529,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.859683367927529,"endHours":14.859683367927529,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.859683367927529,"endHours":15.859683367927529,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.859683367927529,"endHours":16.85968336792753,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.85968336792753,"endHours":17.85968336792753,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.85968336792753,"endHours":18.85968336792753,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.85968336792753,"endHours":19.85968336792753,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.85968336792753,"endHours":20.85968336792753,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.85968336792753,"endHours":21.85968336792753,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.85968336792753,"endHours":22.85968336792753,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.85968336792753,"endHours":23.85968336792753,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.85968336792753,"endHours":24.85968336792753,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.85968336792753,"endHours":25.85968336792753,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.85968336792753,"endHours":26.85968336792753,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.85968336792753,"endHours":27.85968336792753,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.85968336792753,"endHours":28.85968336792753,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.85968336792753,"endHours":29.85968336792753,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.85968336792753,"endHours":30.85968336792753,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.474758147934754,"eotMinutes":-8.635931491373626,"ayanamsa":24.0351}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvitīyā · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 13, 2013 CE · Ayodhyā · Vidhyamitra","description":"January 13, 2013 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:52, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2013-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2013-01-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2013-01-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2013-01-13","x-default":"https://vidhyamitra.com/city/ayodhya/2013-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:05:54.802Z","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":"2026-05-15T15:05:54.802Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:05:54.802Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}