{"id":"vidhyamitra:city-day:ayodhya:1737-04-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1737-04-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1737-04-04","date_display":"April 4, 1737 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":1737,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2355579.770833,"kali_year":4838,"ahargana":1767114.2708,"sun":{"sidereal_longitude":354.864,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":38.3611,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.4971,"elapsed_within_tithi_degrees":7.4971},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.3611,"elapsed_within_degrees":11.6944},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.2251},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1737,"month":4,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2355579.770833,"ahargana":1767114.2708,"kali_year":4838,"ayanamsa_lahiri":20.1827,"grahas":{"sun":{"sidereal_longitude":354.104288,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":34.22918800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-4.1886},"mars":{"sidereal_longitude":60.43798800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":331.862488,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":323.26808800000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":43.601088000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":50.477487999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":149.782,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":329.782,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"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":1737,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2355579.770833,"kali_year":4838,"ahargana":1767114.2708,"sun":{"sidereal_longitude":354.864,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":38.3611,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.4971,"elapsed_within_tithi_degrees":7.4971},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.3611,"elapsed_within_degrees":11.6944},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.2251},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.189,"elongation":43.497},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.189,"opposition_distance":136.503}},"eclipse_window_40days":[{"offset_days":-4,"type":"solar","occurs":true,"moon_latitude":-1.406,"elongation":2.715}]},"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":"05:49","sunsetLocal":"18:20","solarNoonLocal":"12:05","dayLengthHours":12.50598621572662,"dayLengthDisplay":"12 Hours 30 Mins 22 Secs","nightLengthDisplay":"11 Hours 29 Mins 38 Secs","moonriseLocal":"08:03","moonsetLocal":"21:28","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:12","startHours":13.639708661948,"endHours":15.202956938913825,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:49","end":"07:23","startHours":5.82346727711886,"endHours":7.386715554084688,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:57","end":"10:31","startHours":8.949963831050516,"endHours":10.513212108016344,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:10","startHours":8.741530727455071,"endHours":9.158396934645959,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:41","startHours":6.34455003610747,"endHours":6.67804300186018,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:30","startHours":11.659594177791282,"endHours":12.493326592173057,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"04:59","startHours":4.156002448355311,"endHours":4.989734862737086,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:47","end":"05:49","startHours":4.781301759141642,"endHours":5.82346727711886,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:00","startHours":14.160791420936608,"endHours":14.994523835318383,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.12945349284548,"endHours":18.52945349284548,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:51","startHours":18.32945349284548,"endHours":18.85053625183409,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.07945349284548,"endHours":19.82945349284548,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:30","startHours":23.65959417779128,"endHours":24.49332659217306,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:49","end":"07:23","startHours":5.82346727711886,"endHours":7.386715554084688,"quality":"auspicious"},{"name":"Roga","start":"07:23","end":"08:57","startHours":7.386715554084688,"endHours":8.949963831050516,"quality":"inauspicious"},{"name":"Udveg","start":"08:57","end":"10:31","startHours":8.949963831050516,"endHours":10.513212108016344,"quality":"inauspicious"},{"name":"Chala","start":"10:31","end":"12:05","startHours":10.513212108016344,"endHours":12.07646038498217,"quality":"neutral"},{"name":"Labha","start":"12:05","end":"13:38","startHours":12.07646038498217,"endHours":13.639708661948,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:12","startHours":13.639708661948,"endHours":15.202956938913825,"quality":"auspicious"},{"name":"Kāla","start":"15:12","end":"16:46","startHours":15.202956938913825,"endHours":16.76620521587965,"quality":"inauspicious"},{"name":"Śubha","start":"16:46","end":"18:20","startHours":16.76620521587965,"endHours":18.32945349284548,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:20","end":"19:46","startHours":18.32945349284548,"endHours":19.766205215879655,"quality":"auspicious"},{"name":"Kāla","start":"19:46","end":"21:12","startHours":19.766205215879655,"endHours":21.202956938913825,"quality":"inauspicious"},{"name":"Śubha","start":"21:12","end":"22:38","startHours":21.202956938913825,"endHours":22.639708661948,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"00:05","startHours":22.639708661948,"endHours":24.07646038498217,"quality":"inauspicious"},{"name":"Udveg","start":"00:05","end":"01:31","startHours":24.07646038498217,"endHours":25.513212108016344,"quality":"inauspicious"},{"name":"Chala","start":"01:31","end":"02:57","startHours":25.513212108016344,"endHours":26.949963831050518,"quality":"neutral"},{"name":"Labha","start":"02:57","end":"04:23","startHours":26.949963831050518,"endHours":28.386715554084688,"quality":"auspicious"},{"name":"Amṛta","start":"04:23","end":"05:49","startHours":28.386715554084688,"endHours":29.82346727711886,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.82346727711886,"endHours":6.82346727711886,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.82346727711886,"endHours":7.82346727711886,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.82346727711886,"endHours":8.82346727711886,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.82346727711886,"endHours":9.82346727711886,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.82346727711886,"endHours":10.82346727711886,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.82346727711886,"endHours":11.82346727711886,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.82346727711886,"endHours":12.82346727711886,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.82346727711886,"endHours":13.82346727711886,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.82346727711886,"endHours":14.82346727711886,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.82346727711886,"endHours":15.82346727711886,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.82346727711886,"endHours":16.82346727711886,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.82346727711886,"endHours":17.82346727711886,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.82346727711886,"endHours":18.82346727711886,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.82346727711886,"endHours":19.82346727711886,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.82346727711886,"endHours":20.82346727711886,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.82346727711886,"endHours":21.82346727711886,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.82346727711886,"endHours":22.82346727711886,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.82346727711886,"endHours":23.82346727711886,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.82346727711886,"endHours":24.82346727711886,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.82346727711886,"endHours":25.82346727711886,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.82346727711886,"endHours":26.82346727711886,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.82346727711886,"endHours":27.82346727711886,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.82346727711886,"endHours":28.82346727711886,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.82346727711886,"endHours":29.82346727711886,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":5.6327640670838415,"eotMinutes":-3.4036230989301703,"ayanamsa":20.1827}},"calendars":{"vikram_samvat":1794,"vikram_samvatsara":"Pramoda","saka_samvat":1659,"saka_samvatsara":"Piṅgala","bengali_samvat":1144,"malayalam_era":913,"nanakshahi_year":268,"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 Caturthī · Vikram 1794 Pramoda · Śaka 1659 Piṅgala"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"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 4, 1737 CE · Ayodhyā · Vidhyamitra","description":"April 4, 1737 CE for Ayodhyā: Śukla Caturthī, sūryodaya 05:49, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1737-04-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1737-04-04","sa":"https://sa.vidhyamitra.com/city/ayodhya/1737-04-04","hi":"https://hi.vidhyamitra.com/city/ayodhya/1737-04-04","x-default":"https://vidhyamitra.com/city/ayodhya/1737-04-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:53:37.192Z","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":"2026-06-01T08:53:37.192Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:53:37.192Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}