{"id":"vidhyamitra:city-day:ayodhya:1973-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1973-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-05-31","date_display":"May 31, 1973 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":1973,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441833.770833,"kali_year":5075,"ahargana":1853368.2708,"sun":{"sidereal_longitude":45.9114,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":29.7789,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":343.8674,"elapsed_within_tithi_degrees":7.8674},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.7789,"elapsed_within_degrees":3.1122},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":75.6903},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":1973,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441833.770833,"ahargana":1853368.2708,"kali_year":5075,"ayanamsa_lahiri":23.4816,"grahas":{"sun":{"sidereal_longitude":45.969551000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":29.665550999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":3.4382},"mars":{"sidereal_longitude":322.83535099999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":58.90485100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":289.04055100000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":59.854151,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":58.875050999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":259.63,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":79.63,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1973,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441833.770833,"kali_year":5075,"ahargana":1853368.2708,"sun":{"sidereal_longitude":45.9114,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":29.7789,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":343.8674,"elapsed_within_tithi_degrees":7.8674},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.7789,"elapsed_within_degrees":3.1122},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":75.6903},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.438,"elongation":16.133},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.438,"opposition_distance":163.867}},"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":"05:08","sunsetLocal":"18:50","solarNoonLocal":"11:59","dayLengthHours":13.696492260829018,"dayLengthDisplay":"13 Hours 41 Mins 47 Secs","nightLengthDisplay":"10 Hours 18 Mins 13 Secs","moonriseLocal":"04:12","moonsetLocal":"17:35","rahuKala":{"name":"Rāhu Kāla","start":"13:41","end":"15:24","startHours":13.690135419967966,"endHours":15.402196952571593,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:08","end":"06:51","startHours":5.1298277569498305,"endHours":6.841889289553458,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:33","end":"10:16","startHours":8.553950822157084,"endHours":10.266012354760711,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:20","end":"08:47","startHours":8.325675951143268,"endHours":8.782225693170902,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:04","startHours":5.700514934484373,"endHours":6.06575472810648,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:26","startHours":11.521524145336704,"endHours":12.434623629391973,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:18","end":"04:13","startHours":3.303628788839295,"endHours":4.216728272894563,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:59","end":"05:08","startHours":3.9884534018807454,"endHours":5.1298277569498305,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:10","startHours":14.26082259750251,"endHours":15.173922081557778,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.62632001777885,"endHours":19.026320017778847,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:24","startHours":18.826320017778848,"endHours":19.39700719531339,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.576320017778848,"endHours":20.326320017778848,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:26","startHours":23.521524145336706,"endHours":24.43462362939197,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:08","end":"06:51","startHours":5.1298277569498305,"endHours":6.841889289553458,"quality":"auspicious"},{"name":"Roga","start":"06:51","end":"08:33","startHours":6.841889289553458,"endHours":8.553950822157084,"quality":"inauspicious"},{"name":"Udveg","start":"08:33","end":"10:16","startHours":8.553950822157084,"endHours":10.266012354760711,"quality":"inauspicious"},{"name":"Chala","start":"10:16","end":"11:59","startHours":10.266012354760711,"endHours":11.978073887364339,"quality":"neutral"},{"name":"Labha","start":"11:59","end":"13:41","startHours":11.978073887364339,"endHours":13.690135419967966,"quality":"auspicious"},{"name":"Amṛta","start":"13:41","end":"15:24","startHours":13.690135419967966,"endHours":15.402196952571593,"quality":"auspicious"},{"name":"Kāla","start":"15:24","end":"17:07","startHours":15.402196952571593,"endHours":17.11425848517522,"quality":"inauspicious"},{"name":"Śubha","start":"17:07","end":"18:50","startHours":17.11425848517522,"endHours":18.826320017778848,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:50","end":"20:07","startHours":18.826320017778848,"endHours":20.11425848517522,"quality":"auspicious"},{"name":"Kāla","start":"20:07","end":"21:24","startHours":20.11425848517522,"endHours":21.402196952571593,"quality":"inauspicious"},{"name":"Śubha","start":"21:24","end":"22:41","startHours":21.402196952571593,"endHours":22.690135419967966,"quality":"auspicious"},{"name":"Roga","start":"22:41","end":"23:59","startHours":22.690135419967966,"endHours":23.97807388736434,"quality":"inauspicious"},{"name":"Udveg","start":"23:59","end":"01:16","startHours":23.97807388736434,"endHours":25.26601235476071,"quality":"inauspicious"},{"name":"Chala","start":"01:16","end":"02:33","startHours":25.26601235476071,"endHours":26.553950822157084,"quality":"neutral"},{"name":"Labha","start":"02:33","end":"03:51","startHours":26.553950822157084,"endHours":27.841889289553457,"quality":"auspicious"},{"name":"Amṛta","start":"03:51","end":"05:08","startHours":27.841889289553457,"endHours":29.12982775694983,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:08","end":"06:08","startHours":5.1298277569498305,"endHours":6.1298277569498305,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:08","end":"07:08","startHours":6.1298277569498305,"endHours":7.1298277569498305,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:08","end":"08:08","startHours":7.1298277569498305,"endHours":8.12982775694983,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:08","end":"09:08","startHours":8.12982775694983,"endHours":9.12982775694983,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:08","end":"10:08","startHours":9.12982775694983,"endHours":10.12982775694983,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:08","end":"11:08","startHours":10.12982775694983,"endHours":11.12982775694983,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:08","end":"12:08","startHours":11.12982775694983,"endHours":12.12982775694983,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:08","end":"13:08","startHours":12.12982775694983,"endHours":13.12982775694983,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:08","end":"14:08","startHours":13.12982775694983,"endHours":14.12982775694983,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:08","end":"15:08","startHours":14.12982775694983,"endHours":15.12982775694983,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:08","end":"16:08","startHours":15.12982775694983,"endHours":16.12982775694983,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:08","end":"17:08","startHours":16.12982775694983,"endHours":17.12982775694983,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:08","end":"18:08","startHours":17.12982775694983,"endHours":18.12982775694983,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:08","end":"19:08","startHours":18.12982775694983,"endHours":19.12982775694983,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:08","end":"20:08","startHours":19.12982775694983,"endHours":20.12982775694983,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:08","end":"21:08","startHours":20.12982775694983,"endHours":21.12982775694983,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:08","end":"22:08","startHours":21.12982775694983,"endHours":22.12982775694983,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:08","end":"23:08","startHours":22.12982775694983,"endHours":23.12982775694983,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:08","end":"00:08","startHours":23.12982775694983,"endHours":24.12982775694983,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:08","end":"01:08","startHours":24.12982775694983,"endHours":25.12982775694983,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:08","end":"02:08","startHours":25.12982775694983,"endHours":26.12982775694983,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:08","end":"03:08","startHours":26.12982775694983,"endHours":27.12982775694983,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:08","end":"04:08","startHours":27.12982775694983,"endHours":28.12982775694983,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:08","end":"05:08","startHours":28.12982775694983,"endHours":29.12982775694983,"planetary_lord":"Moon"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.865315805335637,"eotMinutes":2.4995667581397525,"ayanamsa":23.4816}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Caturdaśī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 May 31, 1973 CE · Ayodhyā · Vidhyamitra","description":"May 31, 1973 CE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 05:08, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1973-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1973-05-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/1973-05-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/1973-05-31","x-default":"https://vidhyamitra.com/city/ayodhya/1973-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T23:52:48.019Z","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":"2026-05-18T23:52:48.019Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T23:52:48.019Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}