{"id":"vidhyamitra:city-day:ayodhya:1680-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1680-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1680-04-01","date_display":"April 1, 1680 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":1680,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334758.770833,"kali_year":4781,"ahargana":1746293.2708,"sun":{"sidereal_longitude":353.6375,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":14.571,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.9335,"elapsed_within_tithi_degrees":8.9335},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":14.571,"elapsed_within_degrees":1.2377},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":8.2085},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":1680,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2334758.770833,"ahargana":1746293.2708,"kali_year":4781,"ayanamsa_lahiri":19.3864,"grahas":{"sun":{"sidereal_longitude":352.742803,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":15.430702999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-1.6545},"mars":{"sidereal_longitude":347.446303,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":359.389903,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":27.97540300000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":317.49290300000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":76.71910300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":172.9788,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":352.9788,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":1680,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334758.770833,"kali_year":4781,"ahargana":1746293.2708,"sun":{"sidereal_longitude":353.6375,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":14.571,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.9335,"elapsed_within_tithi_degrees":8.9335},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":14.571,"elapsed_within_degrees":1.2377},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":8.2085},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.655,"elongation":20.933},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.655,"opposition_distance":159.067}},"eclipse_window_40days":[{"offset_days":-17,"type":"lunar","occurs":true,"moon_latitude":-1.425,"opposition_distance":1.464},{"offset_days":13,"type":"lunar","occurs":true,"moon_latitude":1.218,"opposition_distance":1.673}]},"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":"05:52","sunsetLocal":"18:19","solarNoonLocal":"12:06","dayLengthHours":12.44873411187266,"dayLengthDisplay":"12 Hours 26 Mins 55 Secs","nightLengthDisplay":"11 Hours 33 Mins 05 Secs","moonriseLocal":"07:07","moonsetLocal":"20:06","rahuKala":{"name":"Rāhu Kāla","start":"07:25","end":"08:59","startHours":7.423862976400277,"endHours":8.97995474038436,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:32","end":"12:06","startHours":10.536046504368443,"endHours":12.092138268352524,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:39","end":"15:12","startHours":13.648230032336606,"endHours":15.20432179632069,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:11","startHours":8.772475838519815,"endHours":9.187433642248903,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:43","startHours":6.386468467077555,"endHours":6.718434710060826,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:30","startHours":11.677180464623437,"endHours":12.507096072081612,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:12","end":"05:02","startHours":4.20793999749984,"endHours":5.0378556049580165,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:52","startHours":4.830376703093473,"endHours":5.867771212416194,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:00","startHours":14.166927286997968,"endHours":14.996842894456146,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.116505324288855,"endHours":18.516505324288854,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:50","startHours":18.316505324288855,"endHours":18.835202578950216,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.066505324288855,"endHours":19.816505324288855,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:30","startHours":23.677180464623437,"endHours":24.507096072081612,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:52","end":"07:25","startHours":5.867771212416194,"endHours":7.423862976400277,"quality":"auspicious"},{"name":"Kāla","start":"07:25","end":"08:59","startHours":7.423862976400277,"endHours":8.97995474038436,"quality":"inauspicious"},{"name":"Śubha","start":"08:59","end":"10:32","startHours":8.97995474038436,"endHours":10.536046504368443,"quality":"auspicious"},{"name":"Roga","start":"10:32","end":"12:06","startHours":10.536046504368443,"endHours":12.092138268352524,"quality":"inauspicious"},{"name":"Udveg","start":"12:06","end":"13:39","startHours":12.092138268352524,"endHours":13.648230032336606,"quality":"inauspicious"},{"name":"Chala","start":"13:39","end":"15:12","startHours":13.648230032336606,"endHours":15.20432179632069,"quality":"neutral"},{"name":"Labha","start":"15:12","end":"16:46","startHours":15.20432179632069,"endHours":16.760413560304773,"quality":"auspicious"},{"name":"Amṛta","start":"16:46","end":"18:19","startHours":16.760413560304773,"endHours":18.316505324288855,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:19","end":"19:46","startHours":18.316505324288855,"endHours":19.760413560304773,"quality":"neutral"},{"name":"Labha","start":"19:46","end":"21:12","startHours":19.760413560304773,"endHours":21.20432179632069,"quality":"auspicious"},{"name":"Amṛta","start":"21:12","end":"22:39","startHours":21.20432179632069,"endHours":22.648230032336606,"quality":"auspicious"},{"name":"Kāla","start":"22:39","end":"00:06","startHours":22.648230032336606,"endHours":24.092138268352524,"quality":"inauspicious"},{"name":"Śubha","start":"00:06","end":"01:32","startHours":24.092138268352524,"endHours":25.536046504368443,"quality":"auspicious"},{"name":"Roga","start":"01:32","end":"02:59","startHours":25.536046504368443,"endHours":26.979954740384358,"quality":"inauspicious"},{"name":"Udveg","start":"02:59","end":"04:25","startHours":26.979954740384358,"endHours":28.423862976400276,"quality":"inauspicious"},{"name":"Chala","start":"04:25","end":"05:52","startHours":28.423862976400276,"endHours":29.867771212416194,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.867771212416194,"endHours":6.867771212416194,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.867771212416194,"endHours":7.867771212416194,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.867771212416194,"endHours":8.867771212416194,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.867771212416194,"endHours":9.867771212416194,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.867771212416194,"endHours":10.867771212416194,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.867771212416194,"endHours":11.867771212416194,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.867771212416194,"endHours":12.867771212416194,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.867771212416194,"endHours":13.867771212416194,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.867771212416194,"endHours":14.867771212416194,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.867771212416194,"endHours":15.867771212416194,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.867771212416194,"endHours":16.867771212416194,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.867771212416194,"endHours":17.867771212416194,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.867771212416194,"endHours":18.867771212416194,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.867771212416194,"endHours":19.867771212416194,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.867771212416194,"endHours":20.867771212416194,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.867771212416194,"endHours":21.867771212416194,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.867771212416194,"endHours":22.867771212416194,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.867771212416194,"endHours":23.867771212416194,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.867771212416194,"endHours":24.867771212416194,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.867771212416194,"endHours":25.867771212416194,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.867771212416194,"endHours":26.867771212416194,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.867771212416194,"endHours":27.867771212416194,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.867771212416194,"endHours":28.867771212416194,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.867771212416194,"endHours":29.867771212416194,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.7938172514472015,"eotMinutes":-4.344296101151456,"ayanamsa":19.3864}},"calendars":{"vikram_samvat":1737,"vikram_samvatsara":"Śrīmukha","saka_samvat":1602,"saka_samvatsara":"Raudra","bengali_samvat":1087,"malayalam_era":856,"nanakshahi_year":211,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvitīyā · Vikram 1737 Śrīmukha · Śaka 1602 Raudra"},"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 April 1, 1680 CE · Ayodhyā · Vidhyamitra","description":"April 1, 1680 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 05:52, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1680-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1680-04-01","sa":"https://sa.vidhyamitra.com/city/ayodhya/1680-04-01","hi":"https://hi.vidhyamitra.com/city/ayodhya/1680-04-01","x-default":"https://vidhyamitra.com/city/ayodhya/1680-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T00:10:21.846Z","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":"2026-06-04T00:10:21.846Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T00:10:21.846Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}