{"id":"vidhyamitra:city-day:ayodhya:1502-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1502-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1502-01-21","date_display":"January 21, 1502 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":1502,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":2269683.770833,"kali_year":4603,"ahargana":1681218.2708,"sun":{"sidereal_longitude":294.638,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":88.2336,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.5956,"elapsed_within_tithi_degrees":9.5956},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":88.2336,"elapsed_within_degrees":8.2336},"yoga":{"number":2,"name":"Prīti","sum_longitude":22.8716},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":1502,"month":1,"day":21,"hour":6,"minute":30,"calendar":"julian"},"julian_day":2269683.770833,"ahargana":1681218.2708,"kali_year":4603,"ayanamsa_lahiri":16.8975,"grahas":{"sun":{"sidereal_longitude":294.638,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":88.2336,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":4.1498},"mars":{"sidereal_longitude":36.447,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":296.3531,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":16.864,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":333.3479,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":50.1474,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":20.9654,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":200.9654,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1502,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":2269683.770833,"kali_year":4603,"ahargana":1681218.2708,"sun":{"sidereal_longitude":294.638,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":88.2336,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.5956,"elapsed_within_tithi_degrees":9.5956},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":88.2336,"elapsed_within_degrees":8.2336},"yoga":{"number":2,"name":"Prīti","sum_longitude":22.8716},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.15,"elongation":153.596},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.15,"opposition_distance":26.404}},"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":"17:40","solarNoonLocal":"12:12","dayLengthHours":10.923364363667515,"dayLengthDisplay":"10 Hours 55 Mins 24 Secs","nightLengthDisplay":"13 Hours 04 Mins 36 Secs","moonriseLocal":"15:35","moonsetLocal":"05:18","rahuKala":{"name":"Rāhu Kāla","start":"10:51","end":"12:12","startHours":10.841908308693764,"endHours":12.207328854152202,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:56","end":"16:18","startHours":14.938169945069081,"endHours":16.30359049052752,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:07","end":"09:29","startHours":8.111067217776885,"endHours":9.476487763235324,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:40","startHours":9.294431690507531,"endHours":9.658543835963115,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:30","startHours":7.200786854137925,"endHours":7.492076570502392,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:34","startHours":11.843216708696618,"endHours":12.571440999607786,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:17","end":"06:01","startHours":5.28919809049611,"endHours":6.017422381407277,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:50","end":"06:45","startHours":5.835366308679486,"endHours":6.745646672318445,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:45","startHours":14.027889581430122,"endHours":14.75611387234129,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.46901103598596,"endHours":17.86901103598596,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:07","startHours":17.66901103598596,"endHours":18.12415121780544,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.41901103598596,"endHours":19.16901103598596,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:34","startHours":23.84321670869662,"endHours":24.571440999607784,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:45","end":"08:07","startHours":6.745646672318445,"endHours":8.111067217776885,"quality":"neutral"},{"name":"Labha","start":"08:07","end":"09:29","startHours":8.111067217776885,"endHours":9.476487763235324,"quality":"auspicious"},{"name":"Amṛta","start":"09:29","end":"10:51","startHours":9.476487763235324,"endHours":10.841908308693764,"quality":"auspicious"},{"name":"Kāla","start":"10:51","end":"12:12","startHours":10.841908308693764,"endHours":12.207328854152202,"quality":"inauspicious"},{"name":"Śubha","start":"12:12","end":"13:34","startHours":12.207328854152202,"endHours":13.572749399610643,"quality":"auspicious"},{"name":"Roga","start":"13:34","end":"14:56","startHours":13.572749399610643,"endHours":14.938169945069081,"quality":"inauspicious"},{"name":"Udveg","start":"14:56","end":"16:18","startHours":14.938169945069081,"endHours":16.30359049052752,"quality":"inauspicious"},{"name":"Chala","start":"16:18","end":"17:40","startHours":16.30359049052752,"endHours":17.66901103598596,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:40","end":"19:18","startHours":17.66901103598596,"endHours":19.303590490527522,"quality":"inauspicious"},{"name":"Udveg","start":"19:18","end":"20:56","startHours":19.303590490527522,"endHours":20.93816994506908,"quality":"inauspicious"},{"name":"Chala","start":"20:56","end":"22:34","startHours":20.93816994506908,"endHours":22.572749399610643,"quality":"neutral"},{"name":"Labha","start":"22:34","end":"00:12","startHours":22.572749399610643,"endHours":24.207328854152202,"quality":"auspicious"},{"name":"Amṛta","start":"00:12","end":"01:51","startHours":24.207328854152202,"endHours":25.841908308693764,"quality":"auspicious"},{"name":"Kāla","start":"01:51","end":"03:29","startHours":25.841908308693764,"endHours":27.476487763235326,"quality":"inauspicious"},{"name":"Śubha","start":"03:29","end":"05:07","startHours":27.476487763235326,"endHours":29.111067217776885,"quality":"auspicious"},{"name":"Roga","start":"05:07","end":"06:45","startHours":29.111067217776885,"endHours":30.745646672318443,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.745646672318445,"endHours":7.745646672318445,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.745646672318445,"endHours":8.745646672318445,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.745646672318445,"endHours":9.745646672318445,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.745646672318445,"endHours":10.745646672318445,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.745646672318445,"endHours":11.745646672318445,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.745646672318445,"endHours":12.745646672318445,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.745646672318445,"endHours":13.745646672318445,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.745646672318445,"endHours":14.745646672318445,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.745646672318445,"endHours":15.745646672318445,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.745646672318445,"endHours":16.745646672318443,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.745646672318443,"endHours":17.745646672318443,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.745646672318443,"endHours":18.745646672318443,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.745646672318443,"endHours":19.745646672318443,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.745646672318443,"endHours":20.745646672318443,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.745646672318443,"endHours":21.745646672318443,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.745646672318443,"endHours":22.745646672318443,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.745646672318443,"endHours":23.745646672318443,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.745646672318443,"endHours":24.745646672318443,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.745646672318443,"endHours":25.745646672318443,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.745646672318443,"endHours":26.745646672318443,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.745646672318443,"endHours":27.745646672318443,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.745646672318443,"endHours":28.745646672318443,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.745646672318443,"endHours":29.745646672318443,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.745646672318443,"endHours":30.745646672318443,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.320751654272087,"eotMinutes":-11.255731249132124,"ayanamsa":16.8975}},"calendars":{"vikram_samvat":1559,"vikram_samvatsara":"Yuva","saka_samvat":1424,"saka_samvatsara":"Dundubhi","bengali_samvat":909,"malayalam_era":678,"nanakshahi_year":33,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Trayodaśī · Vikram 1559 Yuva · Śaka 1424 Dundubhi"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"Dedicated festival walk for Pradoṣa Vrata is not live yet; 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 January 21, 1502 CE · Ayodhyā · Vidhyamitra","description":"January 21, 1502 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 06:45, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1502-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1502-01-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1502-01-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1502-01-21","x-default":"https://vidhyamitra.com/city/ayodhya/1502-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-30T13:27:58.966Z","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":"2026-06-30T13:27:58.966Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-30T13:27:58.966Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no founder-city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","Divyāṁśa-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"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"}}}