{"id":"vidhyamitra:city-day:ayodhya:1766-09-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1766-09-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1766-09-04","date_display":"September 4, 1766 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":1766,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2366324.770833,"kali_year":4868,"ahargana":1777859.2708,"sun":{"sidereal_longitude":140.6923,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":136.7159,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":356.0236,"elapsed_within_tithi_degrees":8.0236},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":136.7159,"elapsed_within_degrees":3.3826},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.4082},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":1766,"month":9,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2366324.770833,"ahargana":1777859.2708,"kali_year":4868,"ayanamsa_lahiri":20.5936,"grahas":{"sun":{"sidereal_longitude":140.83614999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":136.79555,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":-1.2585},"mars":{"sidereal_longitude":298.78845,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":159.72735,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":137.37905,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":112.94315,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":60.75675000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":300.4602,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":120.4602,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1766,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2366324.770833,"kali_year":4868,"ahargana":1777859.2708,"sun":{"sidereal_longitude":140.6923,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":136.7159,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":356.0236,"elapsed_within_tithi_degrees":8.0236},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":136.7159,"elapsed_within_degrees":3.3826},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.4082},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.258,"elongation":3.976},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.258,"opposition_distance":176.024}},"eclipse_window_40days":[{"offset_days":-15,"type":"lunar","occurs":true,"moon_latitude":0.172,"opposition_distance":2.784}]},"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":"05:41","sunsetLocal":"18:18","solarNoonLocal":"12:00","dayLengthHours":12.618855275876252,"dayLengthDisplay":"12 Hours 37 Mins 08 Secs","nightLengthDisplay":"11 Hours 22 Mins 52 Secs","moonriseLocal":"05:23","moonsetLocal":"18:04","rahuKala":{"name":"Rāhu Kāla","start":"13:34","end":"15:09","startHours":13.572126307863597,"endHours":15.149483217348129,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:41","end":"07:16","startHours":5.68534176044094,"endHours":7.262698669925471,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:50","end":"10:25","startHours":8.840055579410002,"endHours":10.417412488894534,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.629741324812066,"endHours":9.05036983400794,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:33","startHours":6.211127396935783,"endHours":6.547630204292483,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:25","startHours":11.574140889183191,"endHours":12.415397907574942,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:51","startHours":4.00282772365744,"endHours":4.84408474204919,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:41","startHours":4.633770487451252,"endHours":5.68534176044094,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:56","startHours":14.097911944358442,"endHours":14.939168962750193,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.104197036317192,"endHours":18.50419703631719,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:50","startHours":18.30419703631719,"endHours":18.829982672812037,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.05419703631719,"endHours":19.80419703631719,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:25","startHours":23.57414088918319,"endHours":24.415397907574942,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:41","end":"07:16","startHours":5.68534176044094,"endHours":7.262698669925471,"quality":"auspicious"},{"name":"Roga","start":"07:16","end":"08:50","startHours":7.262698669925471,"endHours":8.840055579410002,"quality":"inauspicious"},{"name":"Udveg","start":"08:50","end":"10:25","startHours":8.840055579410002,"endHours":10.417412488894534,"quality":"inauspicious"},{"name":"Chala","start":"10:25","end":"12:00","startHours":10.417412488894534,"endHours":11.994769398379066,"quality":"neutral"},{"name":"Labha","start":"12:00","end":"13:34","startHours":11.994769398379066,"endHours":13.572126307863597,"quality":"auspicious"},{"name":"Amṛta","start":"13:34","end":"15:09","startHours":13.572126307863597,"endHours":15.149483217348129,"quality":"auspicious"},{"name":"Kāla","start":"15:09","end":"16:44","startHours":15.149483217348129,"endHours":16.72684012683266,"quality":"inauspicious"},{"name":"Śubha","start":"16:44","end":"18:18","startHours":16.72684012683266,"endHours":18.30419703631719,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:18","end":"19:44","startHours":18.30419703631719,"endHours":19.72684012683266,"quality":"auspicious"},{"name":"Kāla","start":"19:44","end":"21:09","startHours":19.72684012683266,"endHours":21.149483217348127,"quality":"inauspicious"},{"name":"Śubha","start":"21:09","end":"22:34","startHours":21.149483217348127,"endHours":22.5721263078636,"quality":"auspicious"},{"name":"Roga","start":"22:34","end":"00:00","startHours":22.5721263078636,"endHours":23.994769398379066,"quality":"inauspicious"},{"name":"Udveg","start":"00:00","end":"01:25","startHours":23.994769398379066,"endHours":25.417412488894534,"quality":"inauspicious"},{"name":"Chala","start":"01:25","end":"02:50","startHours":25.417412488894534,"endHours":26.840055579410002,"quality":"neutral"},{"name":"Labha","start":"02:50","end":"04:16","startHours":26.840055579410002,"endHours":28.26269866992547,"quality":"auspicious"},{"name":"Amṛta","start":"04:16","end":"05:41","startHours":28.26269866992547,"endHours":29.68534176044094,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.68534176044094,"endHours":6.68534176044094,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.68534176044094,"endHours":7.68534176044094,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.68534176044094,"endHours":8.68534176044094,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.68534176044094,"endHours":9.68534176044094,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.68534176044094,"endHours":10.68534176044094,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.68534176044094,"endHours":11.68534176044094,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.68534176044094,"endHours":12.68534176044094,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.68534176044094,"endHours":13.68534176044094,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.68534176044094,"endHours":14.68534176044094,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.68534176044094,"endHours":15.68534176044094,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.68534176044094,"endHours":16.68534176044094,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.68534176044094,"endHours":17.68534176044094,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.68534176044094,"endHours":18.68534176044094,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.68534176044094,"endHours":19.68534176044094,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.68534176044094,"endHours":20.68534176044094,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.68534176044094,"endHours":21.68534176044094,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.68534176044094,"endHours":22.68534176044094,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.68534176044094,"endHours":23.68534176044094,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.68534176044094,"endHours":24.68534176044094,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.68534176044094,"endHours":25.68534176044094,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.68534176044094,"endHours":26.68534176044094,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.68534176044094,"endHours":27.68534176044094,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.68534176044094,"endHours":28.68534176044094,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.68534176044094,"endHours":29.68534176044094,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.276901661133362,"eotMinutes":1.4978360972560227,"ayanamsa":20.5936}},"calendars":{"vikram_samvat":1823,"vikram_samvatsara":"Vikāri","saka_samvat":1688,"saka_samvatsara":"Vyaya","bengali_samvat":1173,"malayalam_era":942,"nanakshahi_year":297,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Amāvasyā · Vikram 1823 Vikāri · Śaka 1688 Vyaya"},"festivals":[],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 September 4, 1766 CE · Ayodhyā · Vidhyamitra","description":"September 4, 1766 CE for Ayodhyā: Kṛṣṇa Amāvasyā, sūryodaya 05:41, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1766-09-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1766-09-04","sa":"https://sa.vidhyamitra.com/city/ayodhya/1766-09-04","hi":"https://hi.vidhyamitra.com/city/ayodhya/1766-09-04","x-default":"https://vidhyamitra.com/city/ayodhya/1766-09-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:34:47.036Z","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":"2026-06-01T08:34:47.036Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:34:47.036Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}