{"id":"vidhyamitra:city-day:ayodhya:1660-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1660-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1660-01-28","date_display":"January 28, 1660 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":1660,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327389.770833,"kali_year":4761,"ahargana":1738924.2708,"sun":{"sidereal_longitude":289.6563,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":117.0152,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":187.3589,"elapsed_within_tithi_degrees":7.3589},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.0152,"elapsed_within_degrees":10.3485},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":46.6715},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1660,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2327389.770833,"ahargana":1738924.2708,"kali_year":4761,"ayanamsa_lahiri":19.1045,"grahas":{"sun":{"sidereal_longitude":288.843353,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":115.40705300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":-4.4911},"mars":{"sidereal_longitude":50.31085300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":286.10895300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":147.200653,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":308.596053,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":207.355553,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":203.4238,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":23.4238,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":"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":1660,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327389.770833,"kali_year":4761,"ahargana":1738924.2708,"sun":{"sidereal_longitude":289.6563,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":117.0152,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":187.3589,"elapsed_within_tithi_degrees":7.3589},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.0152,"elapsed_within_degrees":10.3485},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":46.6715},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.491,"elongation":172.641},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.491,"opposition_distance":7.359}},"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":"06:49","sunsetLocal":"17:40","solarNoonLocal":"12:14","dayLengthHours":10.852139975902903,"dayLengthDisplay":"10 Hours 51 Mins 08 Secs","nightLengthDisplay":"13 Hours 08 Mins 52 Secs","moonriseLocal":"18:03","moonsetLocal":"07:18","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:36","startHours":12.235977200581097,"endHours":13.59249469756896,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:10","end":"09:31","startHours":8.166424709617507,"endHours":9.52294220660537,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:53","end":"12:14","startHours":10.879459703593234,"endHours":12.235977200581097,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.342073207006989,"endHours":9.703811206203753,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:33","startHours":7.262079711625598,"endHours":7.55147011098301,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:36","startHours":11.874239201384333,"endHours":12.597715199777861,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:05","startHours":5.362955215842591,"endHours":6.086431214236118,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:49","startHours":5.905562214637736,"endHours":6.8099072126296445,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:46","startHours":14.044667196564912,"endHours":14.768143194958439,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.462047188532548,"endHours":17.862047188532546,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:07","startHours":17.662047188532547,"endHours":18.1142196875285,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.412047188532547,"endHours":19.162047188532547,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:36","startHours":23.874239201384334,"endHours":24.59771519977786,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:49","end":"08:10","startHours":6.8099072126296445,"endHours":8.166424709617507,"quality":"auspicious"},{"name":"Amṛta","start":"08:10","end":"09:31","startHours":8.166424709617507,"endHours":9.52294220660537,"quality":"auspicious"},{"name":"Kāla","start":"09:31","end":"10:53","startHours":9.52294220660537,"endHours":10.879459703593234,"quality":"inauspicious"},{"name":"Śubha","start":"10:53","end":"12:14","startHours":10.879459703593234,"endHours":12.235977200581097,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:36","startHours":12.235977200581097,"endHours":13.59249469756896,"quality":"inauspicious"},{"name":"Udveg","start":"13:36","end":"14:57","startHours":13.59249469756896,"endHours":14.949012194556822,"quality":"inauspicious"},{"name":"Chala","start":"14:57","end":"16:18","startHours":14.949012194556822,"endHours":16.305529691544685,"quality":"neutral"},{"name":"Labha","start":"16:18","end":"17:40","startHours":16.305529691544685,"endHours":17.662047188532547,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:40","end":"19:18","startHours":17.662047188532547,"endHours":19.305529691544685,"quality":"inauspicious"},{"name":"Chala","start":"19:18","end":"20:57","startHours":19.305529691544685,"endHours":20.949012194556822,"quality":"neutral"},{"name":"Labha","start":"20:57","end":"22:36","startHours":20.949012194556822,"endHours":22.59249469756896,"quality":"auspicious"},{"name":"Amṛta","start":"22:36","end":"00:14","startHours":22.59249469756896,"endHours":24.235977200581097,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:53","startHours":24.235977200581097,"endHours":25.879459703593234,"quality":"inauspicious"},{"name":"Śubha","start":"01:53","end":"03:31","startHours":25.879459703593234,"endHours":27.52294220660537,"quality":"auspicious"},{"name":"Roga","start":"03:31","end":"05:10","startHours":27.52294220660537,"endHours":29.16642470961751,"quality":"inauspicious"},{"name":"Udveg","start":"05:10","end":"06:49","startHours":29.16642470961751,"endHours":30.809907212629646,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:49","end":"07:49","startHours":6.8099072126296445,"endHours":7.8099072126296445,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:49","end":"08:49","startHours":7.8099072126296445,"endHours":8.809907212629644,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:49","end":"09:49","startHours":8.809907212629644,"endHours":9.809907212629644,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:49","end":"10:49","startHours":9.809907212629644,"endHours":10.809907212629644,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:49","end":"11:49","startHours":10.809907212629644,"endHours":11.809907212629644,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:49","end":"12:49","startHours":11.809907212629644,"endHours":12.809907212629644,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:49","end":"13:49","startHours":12.809907212629644,"endHours":13.809907212629644,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:49","end":"14:49","startHours":13.809907212629644,"endHours":14.809907212629644,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:49","end":"15:49","startHours":14.809907212629644,"endHours":15.809907212629644,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:49","end":"16:49","startHours":15.809907212629644,"endHours":16.809907212629646,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:49","end":"17:49","startHours":16.809907212629646,"endHours":17.809907212629646,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:49","end":"18:49","startHours":17.809907212629646,"endHours":18.809907212629646,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:49","end":"19:49","startHours":18.809907212629646,"endHours":19.809907212629646,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:49","end":"20:49","startHours":19.809907212629646,"endHours":20.809907212629646,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:49","end":"21:49","startHours":20.809907212629646,"endHours":21.809907212629646,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:49","end":"22:49","startHours":21.809907212629646,"endHours":22.809907212629646,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:49","end":"23:49","startHours":22.809907212629646,"endHours":23.809907212629646,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:49","end":"00:49","startHours":23.809907212629646,"endHours":24.809907212629646,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:49","end":"01:49","startHours":24.809907212629646,"endHours":25.809907212629646,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:49","end":"02:49","startHours":25.809907212629646,"endHours":26.809907212629646,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:49","end":"03:49","startHours":26.809907212629646,"endHours":27.809907212629646,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:49","end":"04:49","startHours":27.809907212629646,"endHours":28.809907212629646,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:49","end":"05:49","startHours":28.809907212629646,"endHours":29.809907212629646,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:49","end":"06:49","startHours":29.809907212629646,"endHours":30.809907212629646,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","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":-18.27874284319578,"eotMinutes":-12.974632034865841,"ayanamsa":19.1045}},"calendars":{"vikram_samvat":1717,"vikram_samvatsara":"Pramādī","saka_samvat":1582,"saka_samvatsara":"Śārvarī","bengali_samvat":1067,"malayalam_era":836,"nanakshahi_year":191,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Pratipada · Vikram 1717 Pramādī · Śaka 1582 Śārvarī"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 28, 1660 CE · Ayodhyā · Vidhyamitra","description":"January 28, 1660 CE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 06:49, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1660-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1660-01-28","sa":"https://sa.vidhyamitra.com/city/ayodhya/1660-01-28","hi":"https://hi.vidhyamitra.com/city/ayodhya/1660-01-28","x-default":"https://vidhyamitra.com/city/ayodhya/1660-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T04:51:54.818Z","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":"2026-06-05T04:51:54.818Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T04:51:54.818Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}