{"id":"vidhyamitra:city-day:ayodhya:2101-09-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2101-09-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-09-04","date_display":"September 4, 2101 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":2101,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488680.770833,"kali_year":5203,"ahargana":1900215.2708,"sun":{"sidereal_longitude":135.201,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":268.107,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.906,"elapsed_within_tithi_degrees":0.906},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.107,"elapsed_within_degrees":1.4403},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.3079},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2101,"month":9,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488680.770833,"ahargana":1900215.2708,"kali_year":5203,"ayanamsa_lahiri":25.2733,"grahas":{"sun":{"sidereal_longitude":136.139451,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":267.81625099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-2.2035},"mars":{"sidereal_longitude":43.11835100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":160.36125100000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":201.595551,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":178.68825100000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":188.269051,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":297.4505,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.4505,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2101,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488680.770833,"kali_year":5203,"ahargana":1900215.2708,"sun":{"sidereal_longitude":135.201,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":268.107,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.906,"elapsed_within_tithi_degrees":0.906},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.107,"elapsed_within_degrees":1.4403},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.3079},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.203,"elongation":132.906},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.203,"opposition_distance":47.094}},"eclipse_window_40days":[{"offset_days":-10,"type":"solar","occurs":true,"moon_latitude":-0.767,"elongation":2.226}]},"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":12.6193007717699,"dayLengthDisplay":"12 Hours 37 Mins 09 Secs","nightLengthDisplay":"11 Hours 22 Mins 51 Secs","moonriseLocal":"15:29","moonsetLocal":"02:03","rahuKala":{"name":"Rāhu Kāla","start":"16:44","end":"18:18","startHours":16.72700718779278,"endHours":18.304419784264017,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:00","end":"13:34","startHours":11.994769398379066,"endHours":13.572181994850304,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:09","end":"16:44","startHours":15.149594591321542,"endHours":16.72700718779278,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.629622525907093,"endHours":9.05026588496609,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:33","startHours":6.210923211317862,"endHours":6.547437898565059,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:25","startHours":11.57412603932007,"endHours":12.415412757438062,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:51","startHours":4.00254557625813,"endHours":4.8438322943761225,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:41","startHours":4.6335106148466245,"endHours":5.685119012494116,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:56","startHours":14.09798619367405,"endHours":14.939272911792044,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.104419784264017,"endHours":18.504419784264016,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:50","startHours":18.304419784264017,"endHours":18.830223983087762,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.054419784264017,"endHours":19.804419784264017,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:25","startHours":23.57412603932007,"endHours":24.415412757438062,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:41","end":"07:16","startHours":5.685119012494116,"endHours":7.262531608965354,"quality":"inauspicious"},{"name":"Chala","start":"07:16","end":"08:50","startHours":7.262531608965354,"endHours":8.839944205436591,"quality":"neutral"},{"name":"Labha","start":"08:50","end":"10:25","startHours":8.839944205436591,"endHours":10.417356801907829,"quality":"auspicious"},{"name":"Amṛta","start":"10:25","end":"12:00","startHours":10.417356801907829,"endHours":11.994769398379066,"quality":"auspicious"},{"name":"Kāla","start":"12:00","end":"13:34","startHours":11.994769398379066,"endHours":13.572181994850304,"quality":"inauspicious"},{"name":"Śubha","start":"13:34","end":"15:09","startHours":13.572181994850304,"endHours":15.149594591321542,"quality":"auspicious"},{"name":"Roga","start":"15:09","end":"16:44","startHours":15.149594591321542,"endHours":16.72700718779278,"quality":"inauspicious"},{"name":"Udveg","start":"16:44","end":"18:18","startHours":16.72700718779278,"endHours":18.304419784264017,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:18","end":"19:44","startHours":18.304419784264017,"endHours":19.72700718779278,"quality":"auspicious"},{"name":"Roga","start":"19:44","end":"21:09","startHours":19.72700718779278,"endHours":21.14959459132154,"quality":"inauspicious"},{"name":"Udveg","start":"21:09","end":"22:34","startHours":21.14959459132154,"endHours":22.572181994850304,"quality":"inauspicious"},{"name":"Chala","start":"22:34","end":"00:00","startHours":22.572181994850304,"endHours":23.994769398379066,"quality":"neutral"},{"name":"Labha","start":"00:00","end":"01:25","startHours":23.994769398379066,"endHours":25.41735680190783,"quality":"auspicious"},{"name":"Amṛta","start":"01:25","end":"02:50","startHours":25.41735680190783,"endHours":26.83994420543659,"quality":"auspicious"},{"name":"Kāla","start":"02:50","end":"04:16","startHours":26.83994420543659,"endHours":28.262531608965354,"quality":"inauspicious"},{"name":"Śubha","start":"04:16","end":"05:41","startHours":28.262531608965354,"endHours":29.685119012494116,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.685119012494116,"endHours":6.685119012494116,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.685119012494116,"endHours":7.685119012494116,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.685119012494116,"endHours":8.685119012494116,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.685119012494116,"endHours":9.685119012494116,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.685119012494116,"endHours":10.685119012494116,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.685119012494116,"endHours":11.685119012494116,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.685119012494116,"endHours":12.685119012494116,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.685119012494116,"endHours":13.685119012494116,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.685119012494116,"endHours":14.685119012494116,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.685119012494116,"endHours":15.685119012494116,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.685119012494116,"endHours":16.685119012494116,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.685119012494116,"endHours":17.685119012494116,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.685119012494116,"endHours":18.685119012494116,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.685119012494116,"endHours":19.685119012494116,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.685119012494116,"endHours":20.685119012494116,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.685119012494116,"endHours":21.685119012494116,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.685119012494116,"endHours":22.685119012494116,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.685119012494116,"endHours":23.685119012494116,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.685119012494116,"endHours":24.685119012494116,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.685119012494116,"endHours":25.685119012494116,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.685119012494116,"endHours":26.685119012494116,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.685119012494116,"endHours":27.685119012494116,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.685119012494116,"endHours":28.685119012494116,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.685119012494116,"endHours":29.685119012494116,"planetary_lord":"Jupiter"}],"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","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","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":7.28336245807745,"eotMinutes":1.4978360972560227,"ayanamsa":25.2733}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","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 Śukla Dvādaśī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"festivals":[{"id":"vamana-jayanti","name":"Vāmana Jayantī","name_sanskrit":"वामन जयन्ती","tradition":"Vaishnava","associated_deity":"Vāmana (5th daśāvatāra of Krishna)","deity_avatara_index":15,"significance":"Vāmana's three-step measure of all worlds; Bali's surrender. (= Onam in Kerala.)","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Bhāgavata 8.18-22"]}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 September 4, 2101 CE · Ayodhyā · Vidhyamitra","description":"September 4, 2101 CE for Ayodhyā: Śukla Dvādaśī, sūryodaya 05:41, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2101-09-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2101-09-04","sa":"https://sa.vidhyamitra.com/city/ayodhya/2101-09-04","hi":"https://hi.vidhyamitra.com/city/ayodhya/2101-09-04","x-default":"https://vidhyamitra.com/city/ayodhya/2101-09-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:55:42.485Z","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":"2026-05-31T08:55:42.485Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:55:42.485Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}