{"id":"vidhyamitra:city-day:ayodhya:1971-04-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1971-04-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-04-16","date_display":"April 16, 1971 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":1971,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441057.770833,"kali_year":5072,"ahargana":1852592.2708,"sun":{"sidereal_longitude":2.1477,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":244.4516,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.304,"elapsed_within_tithi_degrees":2.304},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":244.4516,"elapsed_within_degrees":4.4516},"yoga":{"number":19,"name":"Parigha","sum_longitude":246.5993},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1971,"month":4,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441057.770833,"ahargana":1852592.2708,"kali_year":5072,"ayanamsa_lahiri":23.4519,"grahas":{"sun":{"sidereal_longitude":1.953899999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":241.38400000000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-3.7424},"mars":{"sidereal_longitude":267.2365,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":8.9803,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":222.88580000000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":327.82349999999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":28.889499999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":300.7462,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":120.7462,"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":1971,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441057.770833,"kali_year":5072,"ahargana":1852592.2708,"sun":{"sidereal_longitude":2.1477,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":244.4516,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.304,"elapsed_within_tithi_degrees":2.304},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":244.4516,"elapsed_within_degrees":4.4516},"yoga":{"number":19,"name":"Parigha","sum_longitude":246.5993},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.742,"elongation":117.696},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.742,"opposition_distance":62.304}},"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":"05:37","sunsetLocal":"18:25","solarNoonLocal":"12:01","dayLengthHours":12.795974649461936,"dayLengthDisplay":"12 Hours 47 Mins 46 Secs","nightLengthDisplay":"11 Hours 12 Mins 14 Secs","moonriseLocal":"22:46","moonsetLocal":"09:11","rahuKala":{"name":"Rāhu Kāla","start":"10:25","end":"12:01","startHours":10.419981650207284,"endHours":12.019478481390028,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:13","end":"16:49","startHours":15.218472143755509,"endHours":16.817968974938253,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:13","end":"08:49","startHours":7.2209879878418,"endHours":8.820484819024543,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.607218574866843,"endHours":9.033751063182242,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:30","startHours":6.154656767053306,"endHours":6.495882757705624,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.592945993074627,"endHours":12.446010969705425,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:55","end":"04:46","startHours":3.9153612033974676,"endHours":4.768426180028263,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:33","end":"05:37","startHours":4.555159935870564,"endHours":5.621491156659059,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.152140922967018,"endHours":15.005205899597813,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.217465806120995,"endHours":18.617465806120993,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:57","startHours":18.417465806120994,"endHours":18.95063141651524,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.167465806120994,"endHours":19.917465806120994,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.592945993074625,"endHours":24.446010969705423,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:37","end":"07:13","startHours":5.621491156659059,"endHours":7.2209879878418,"quality":"neutral"},{"name":"Labha","start":"07:13","end":"08:49","startHours":7.2209879878418,"endHours":8.820484819024543,"quality":"auspicious"},{"name":"Amṛta","start":"08:49","end":"10:25","startHours":8.820484819024543,"endHours":10.419981650207284,"quality":"auspicious"},{"name":"Kāla","start":"10:25","end":"12:01","startHours":10.419981650207284,"endHours":12.019478481390028,"quality":"inauspicious"},{"name":"Śubha","start":"12:01","end":"13:37","startHours":12.019478481390028,"endHours":13.618975312572768,"quality":"auspicious"},{"name":"Roga","start":"13:37","end":"15:13","startHours":13.618975312572768,"endHours":15.218472143755509,"quality":"inauspicious"},{"name":"Udveg","start":"15:13","end":"16:49","startHours":15.218472143755509,"endHours":16.817968974938253,"quality":"inauspicious"},{"name":"Chala","start":"16:49","end":"18:25","startHours":16.817968974938253,"endHours":18.417465806120994,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:25","end":"19:49","startHours":18.417465806120994,"endHours":19.817968974938253,"quality":"inauspicious"},{"name":"Udveg","start":"19:49","end":"21:13","startHours":19.817968974938253,"endHours":21.21847214375551,"quality":"inauspicious"},{"name":"Chala","start":"21:13","end":"22:37","startHours":21.21847214375551,"endHours":22.61897531257277,"quality":"neutral"},{"name":"Labha","start":"22:37","end":"00:01","startHours":22.61897531257277,"endHours":24.019478481390024,"quality":"auspicious"},{"name":"Amṛta","start":"00:01","end":"01:25","startHours":24.019478481390024,"endHours":25.419981650207284,"quality":"auspicious"},{"name":"Kāla","start":"01:25","end":"02:49","startHours":25.419981650207284,"endHours":26.820484819024543,"quality":"inauspicious"},{"name":"Śubha","start":"02:49","end":"04:13","startHours":26.820484819024543,"endHours":28.220987987841802,"quality":"auspicious"},{"name":"Roga","start":"04:13","end":"05:37","startHours":28.220987987841802,"endHours":29.621491156659058,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:37","end":"06:37","startHours":5.621491156659059,"endHours":6.621491156659059,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:37","end":"07:37","startHours":6.621491156659059,"endHours":7.621491156659059,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:37","end":"08:37","startHours":7.621491156659059,"endHours":8.621491156659058,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:37","end":"09:37","startHours":8.621491156659058,"endHours":9.621491156659058,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:37","end":"10:37","startHours":9.621491156659058,"endHours":10.621491156659058,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:37","end":"11:37","startHours":10.621491156659058,"endHours":11.621491156659058,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:37","end":"12:37","startHours":11.621491156659058,"endHours":12.621491156659058,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:37","end":"13:37","startHours":12.621491156659058,"endHours":13.621491156659058,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:37","end":"14:37","startHours":13.621491156659058,"endHours":14.621491156659058,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:37","end":"15:37","startHours":14.621491156659058,"endHours":15.621491156659058,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:37","end":"16:37","startHours":15.621491156659058,"endHours":16.621491156659058,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:37","end":"17:37","startHours":16.621491156659058,"endHours":17.621491156659058,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:37","end":"18:37","startHours":17.621491156659058,"endHours":18.621491156659058,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:37","end":"19:37","startHours":18.621491156659058,"endHours":19.621491156659058,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:37","end":"20:37","startHours":19.621491156659058,"endHours":20.621491156659058,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:37","end":"21:37","startHours":20.621491156659058,"endHours":21.621491156659058,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:37","end":"22:37","startHours":21.621491156659058,"endHours":22.621491156659058,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:37","end":"23:37","startHours":22.621491156659058,"endHours":23.621491156659058,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:37","end":"00:37","startHours":23.621491156659058,"endHours":24.621491156659058,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:37","end":"01:37","startHours":24.621491156659058,"endHours":25.621491156659058,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:37","end":"02:37","startHours":25.621491156659058,"endHours":26.621491156659058,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:37","end":"03:37","startHours":26.621491156659058,"endHours":27.621491156659058,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:37","end":"04:37","startHours":27.621491156659058,"endHours":28.621491156659058,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:37","end":"05:37","startHours":28.621491156659058,"endHours":29.621491156659058,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","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":"South-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.824903899643067,"eotMinutes":0.015291116598477705,"ayanamsa":23.4519}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Ṣaṣṭhī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 16, 1971 CE · Ayodhyā · Vidhyamitra","description":"April 16, 1971 CE for Ayodhyā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:37, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1971-04-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1971-04-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/1971-04-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/1971-04-16","x-default":"https://vidhyamitra.com/city/ayodhya/1971-04-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:47:28.966Z","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":"2026-05-30T23:47:28.966Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:47:28.966Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}