{"id":"vidhyamitra:city-day:ayodhya:2100-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2100-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2100-09-20","date_display":"September 20, 2100 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":2100,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488331.770833,"kali_year":5202,"ahargana":1899866.2708,"sun":{"sidereal_longitude":150.9621,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":351.1185,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.1564,"elapsed_within_tithi_degrees":8.1564},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.1185,"elapsed_within_degrees":4.4519},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":142.0807},"karana":{"half_tithi_index":33,"name":"Gara"},"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":2100,"month":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488331.770833,"ahargana":1899866.2708,"kali_year":5202,"ayanamsa_lahiri":25.26,"grahas":{"sun":{"sidereal_longitude":151.940385,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":349.284285,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":2.5906},"mars":{"sidereal_longitude":157.50348499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":176.291385,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":179.42288499999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":112.39148499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":179.128285,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":315.9422,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":135.9422,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2100,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488331.770833,"kali_year":5202,"ahargana":1899866.2708,"sun":{"sidereal_longitude":150.9621,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":351.1185,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.1564,"elapsed_within_tithi_degrees":8.1564},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.1185,"elapsed_within_degrees":4.4519},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":142.0807},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.591,"elongation":159.844},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.591,"opposition_distance":20.156}},"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":"05:48","sunsetLocal":"18:00","solarNoonLocal":"11:54","dayLengthHours":12.199449960052712,"dayLengthDisplay":"12 Hours 11 Mins 58 Secs","nightLengthDisplay":"11 Hours 48 Mins 02 Secs","moonriseLocal":"18:49","moonsetLocal":"07:17","rahuKala":{"name":"Rāhu Kāla","start":"07:19","end":"08:51","startHours":7.322491018954326,"endHours":8.847422263960915,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:22","end":"11:54","startHours":10.372353508967505,"endHours":11.897284753974095,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:25","end":"14:57","startHours":13.422215998980683,"endHours":14.947147243987272,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:03","startHours":8.644098097960036,"endHours":9.050746429961794,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:38","startHours":6.305870188949934,"endHours":6.631188854551339,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:18","startHours":11.490636421972338,"endHours":12.303933085975851,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"04:59","startHours":4.170966445940709,"endHours":4.984263109944223,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:47","end":"05:48","startHours":4.780938943943345,"endHours":5.797559773947738,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:45","startHours":13.93052641398288,"endHours":14.743823077986395,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.79700973400045,"endHours":18.19700973400045,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:30","startHours":17.99700973400045,"endHours":18.505320149002646,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.74700973400045,"endHours":19.49700973400045,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:18","startHours":23.490636421972336,"endHours":24.303933085975853,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:48","end":"07:19","startHours":5.797559773947738,"endHours":7.322491018954326,"quality":"auspicious"},{"name":"Kāla","start":"07:19","end":"08:51","startHours":7.322491018954326,"endHours":8.847422263960915,"quality":"inauspicious"},{"name":"Śubha","start":"08:51","end":"10:22","startHours":8.847422263960915,"endHours":10.372353508967505,"quality":"auspicious"},{"name":"Roga","start":"10:22","end":"11:54","startHours":10.372353508967505,"endHours":11.897284753974095,"quality":"inauspicious"},{"name":"Udveg","start":"11:54","end":"13:25","startHours":11.897284753974095,"endHours":13.422215998980683,"quality":"inauspicious"},{"name":"Chala","start":"13:25","end":"14:57","startHours":13.422215998980683,"endHours":14.947147243987272,"quality":"neutral"},{"name":"Labha","start":"14:57","end":"16:28","startHours":14.947147243987272,"endHours":16.47207848899386,"quality":"auspicious"},{"name":"Amṛta","start":"16:28","end":"18:00","startHours":16.47207848899386,"endHours":17.99700973400045,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:00","end":"19:28","startHours":17.99700973400045,"endHours":19.472078488993862,"quality":"neutral"},{"name":"Labha","start":"19:28","end":"20:57","startHours":19.472078488993862,"endHours":20.94714724398727,"quality":"auspicious"},{"name":"Amṛta","start":"20:57","end":"22:25","startHours":20.94714724398727,"endHours":22.422215998980683,"quality":"auspicious"},{"name":"Kāla","start":"22:25","end":"23:54","startHours":22.422215998980683,"endHours":23.897284753974095,"quality":"inauspicious"},{"name":"Śubha","start":"23:54","end":"01:22","startHours":23.897284753974095,"endHours":25.372353508967507,"quality":"auspicious"},{"name":"Roga","start":"01:22","end":"02:51","startHours":25.372353508967507,"endHours":26.847422263960915,"quality":"inauspicious"},{"name":"Udveg","start":"02:51","end":"04:19","startHours":26.847422263960915,"endHours":28.322491018954327,"quality":"inauspicious"},{"name":"Chala","start":"04:19","end":"05:48","startHours":28.322491018954327,"endHours":29.79755977394774,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.797559773947738,"endHours":6.797559773947738,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.797559773947738,"endHours":7.797559773947738,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.797559773947738,"endHours":8.797559773947738,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.797559773947738,"endHours":9.797559773947738,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.797559773947738,"endHours":10.797559773947738,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.797559773947738,"endHours":11.797559773947738,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.797559773947738,"endHours":12.797559773947738,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.797559773947738,"endHours":13.797559773947738,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.797559773947738,"endHours":14.797559773947738,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.797559773947738,"endHours":15.797559773947738,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.797559773947738,"endHours":16.79755977394774,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.79755977394774,"endHours":17.79755977394774,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.79755977394774,"endHours":18.79755977394774,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.79755977394774,"endHours":19.79755977394774,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.79755977394774,"endHours":20.79755977394774,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.79755977394774,"endHours":21.79755977394774,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.79755977394774,"endHours":22.79755977394774,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.79755977394774,"endHours":23.79755977394774,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.79755977394774,"endHours":24.79755977394774,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.79755977394774,"endHours":25.79755977394774,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.79755977394774,"endHours":26.79755977394774,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.79755977394774,"endHours":27.79755977394774,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.79755977394774,"endHours":28.79755977394774,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.79755977394774,"endHours":29.79755977394774,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.1131247504597908,"eotMinutes":7.346914761554353,"ayanamsa":25.26}},"calendars":{"vikram_samvat":2157,"vikram_samvatsara":"Śrīmukha","saka_samvat":2022,"saka_samvatsara":"Raudra","bengali_samvat":1507,"malayalam_era":1276,"nanakshahi_year":631,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvitīyā · Vikram 2157 Śrīmukha · Śaka 2022 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 September 20, 2100 CE · Ayodhyā · Vidhyamitra","description":"September 20, 2100 CE for Ayodhyā: Kṛṣṇa Dvitīyā, sūryodaya 05:48, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2100-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2100-09-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/2100-09-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/2100-09-20","x-default":"https://vidhyamitra.com/city/ayodhya/2100-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T00:58:35.237Z","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":"2026-06-02T00:58:35.237Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T00:58:35.237Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}