{"id":"vidhyamitra:city-day:ayodhya:2172-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2172-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-04-20","date_display":"April 20, 2172 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":2172,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514476.770833,"kali_year":5274,"ahargana":1926011.2708,"sun":{"sidereal_longitude":4.0867,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":327.8248,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.7382,"elapsed_within_tithi_degrees":11.7382},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.8248,"elapsed_within_degrees":7.8248},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.9115},"karana":{"half_tithi_index":53,"name":"Taitila"},"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":2172,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514476.770833,"ahargana":1926011.2708,"kali_year":5274,"ayanamsa_lahiri":26.2599,"grahas":{"sun":{"sidereal_longitude":4.3702539999999885,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":328.58265400000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.0575},"mars":{"sidereal_longitude":174.09155399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":356.913154,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":197.55515400000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":4.375753999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":328.07725400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":10.6543,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":190.6543,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2172,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514476.770833,"kali_year":5274,"ahargana":1926011.2708,"sun":{"sidereal_longitude":4.0867,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":327.8248,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.7382,"elapsed_within_tithi_degrees":11.7382},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.8248,"elapsed_within_degrees":7.8248},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.9115},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.057,"elongation":36.262},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.057,"opposition_distance":143.738}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":1.452,"opposition_distance":0.943},{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":-0.251,"elongation":0.283}]},"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":"05:32","sunsetLocal":"18:28","solarNoonLocal":"12:00","dayLengthHours":12.927864534898028,"dayLengthDisplay":"12 Hours 55 Mins 40 Secs","nightLengthDisplay":"11 Hours 04 Mins 20 Secs","moonriseLocal":"03:39","moonsetLocal":"15:36","rahuKala":{"name":"Rāhu Kāla","start":"07:09","end":"08:46","startHours":7.155654741652558,"endHours":8.77163780851481,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:23","end":"12:00","startHours":10.387620875377065,"endHours":12.00360394223932,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:37","end":"15:14","startHours":13.619587009101572,"endHours":15.235570075963825,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.556173399599844,"endHours":8.98710221742978,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:25","startHours":6.078332697077722,"endHours":6.42307575134167,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:26","startHours":11.572675124409384,"endHours":12.434532760069255,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:41","startHours":3.815956403470568,"endHours":4.677814039130436,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:32","startHours":4.462349630215469,"endHours":5.539671674790305,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.15824803138899,"endHours":15.020105667048858,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.267536209688334,"endHours":18.667536209688333,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"19:00","startHours":18.467536209688333,"endHours":19.00619723197575,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.217536209688333,"endHours":19.967536209688333,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:26","startHours":23.572675124409386,"endHours":24.434532760069253,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:32","end":"07:09","startHours":5.539671674790305,"endHours":7.155654741652558,"quality":"auspicious"},{"name":"Kāla","start":"07:09","end":"08:46","startHours":7.155654741652558,"endHours":8.77163780851481,"quality":"inauspicious"},{"name":"Śubha","start":"08:46","end":"10:23","startHours":8.77163780851481,"endHours":10.387620875377065,"quality":"auspicious"},{"name":"Roga","start":"10:23","end":"12:00","startHours":10.387620875377065,"endHours":12.00360394223932,"quality":"inauspicious"},{"name":"Udveg","start":"12:00","end":"13:37","startHours":12.00360394223932,"endHours":13.619587009101572,"quality":"inauspicious"},{"name":"Chala","start":"13:37","end":"15:14","startHours":13.619587009101572,"endHours":15.235570075963825,"quality":"neutral"},{"name":"Labha","start":"15:14","end":"16:51","startHours":15.235570075963825,"endHours":16.85155314282608,"quality":"auspicious"},{"name":"Amṛta","start":"16:51","end":"18:28","startHours":16.85155314282608,"endHours":18.467536209688333,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:28","end":"19:51","startHours":18.467536209688333,"endHours":19.85155314282608,"quality":"neutral"},{"name":"Labha","start":"19:51","end":"21:14","startHours":19.85155314282608,"endHours":21.235570075963828,"quality":"auspicious"},{"name":"Amṛta","start":"21:14","end":"22:37","startHours":21.235570075963828,"endHours":22.619587009101572,"quality":"auspicious"},{"name":"Kāla","start":"22:37","end":"00:00","startHours":22.619587009101572,"endHours":24.00360394223932,"quality":"inauspicious"},{"name":"Śubha","start":"00:00","end":"01:23","startHours":24.00360394223932,"endHours":25.387620875377067,"quality":"auspicious"},{"name":"Roga","start":"01:23","end":"02:46","startHours":25.387620875377067,"endHours":26.77163780851481,"quality":"inauspicious"},{"name":"Udveg","start":"02:46","end":"04:09","startHours":26.77163780851481,"endHours":28.155654741652558,"quality":"inauspicious"},{"name":"Chala","start":"04:09","end":"05:32","startHours":28.155654741652558,"endHours":29.539671674790306,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.539671674790305,"endHours":6.539671674790305,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.539671674790305,"endHours":7.539671674790305,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.539671674790305,"endHours":8.539671674790306,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.539671674790306,"endHours":9.539671674790306,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.539671674790306,"endHours":10.539671674790306,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.539671674790306,"endHours":11.539671674790306,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.539671674790306,"endHours":12.539671674790306,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.539671674790306,"endHours":13.539671674790306,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.539671674790306,"endHours":14.539671674790306,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.539671674790306,"endHours":15.539671674790306,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.539671674790306,"endHours":16.539671674790306,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.539671674790306,"endHours":17.539671674790306,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.539671674790306,"endHours":18.539671674790306,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.539671674790306,"endHours":19.539671674790306,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.539671674790306,"endHours":20.539671674790306,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.539671674790306,"endHours":21.539671674790306,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.539671674790306,"endHours":22.539671674790306,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.539671674790306,"endHours":23.539671674790306,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.539671674790306,"endHours":24.539671674790306,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.539671674790306,"endHours":25.539671674790306,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.539671674790306,"endHours":26.539671674790306,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.539671674790306,"endHours":27.539671674790306,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.539671674790306,"endHours":28.539671674790306,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.539671674790306,"endHours":29.539671674790306,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.691524350655815,"eotMinutes":0.9677634656409275,"ayanamsa":26.2599}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvādaśī · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"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 20, 2172 CE · Ayodhyā · Vidhyamitra","description":"April 20, 2172 CE for Ayodhyā: Kṛṣṇa Dvādaśī, sūryodaya 05:32, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2172-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2172-04-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/2172-04-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/2172-04-20","x-default":"https://vidhyamitra.com/city/ayodhya/2172-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T15:41:29.665Z","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":"2026-05-20T15:41:29.665Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T15:41:29.665Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}