{"id":"vidhyamitra:city-day:mathura:1966-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1966-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1966-05-01","date_display":"May 1, 1966 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":1966,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439246.770833,"kali_year":5068,"ahargana":1850781.2708,"sun":{"sidereal_longitude":16.9864,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":147.5288,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":130.5425,"elapsed_within_tithi_degrees":10.5425},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.5288,"elapsed_within_degrees":0.8622},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.5152},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":1966,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439246.770833,"ahargana":1850781.2708,"kali_year":5068,"ayanamsa_lahiri":23.3826,"grahas":{"sun":{"sidereal_longitude":16.847492999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":145.42109299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":4.2054},"mars":{"sidereal_longitude":16.94269300000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":353.148393,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":66.35999300000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":332.570193,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":333.045293,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":36.7017,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":216.7017,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1966,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439246.770833,"kali_year":5068,"ahargana":1850781.2708,"sun":{"sidereal_longitude":16.9864,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":147.5288,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":130.5425,"elapsed_within_tithi_degrees":10.5425},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.5288,"elapsed_within_degrees":0.8622},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.5152},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.205,"elongation":130.542},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.205,"opposition_distance":49.458}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:41","sunsetLocal":"18:52","solarNoonLocal":"12:16","dayLengthHours":13.191062751420041,"dayLengthDisplay":"13 Hours 11 Mins 28 Secs","nightLengthDisplay":"10 Hours 48 Mins 32 Secs","moonriseLocal":"14:39","moonsetLocal":"03:03","rahuKala":{"name":"Rāhu Kāla","start":"17:13","end":"18:52","startHours":17.21976840963307,"endHours":18.868651253560575,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:16","end":"13:55","startHours":12.273119877850554,"endHours":13.92200272177806,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:34","end":"17:13","startHours":15.570885565705566,"endHours":17.21976840963307,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:12","startHours":8.755503144138544,"endHours":9.195205235852546,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:35","startHours":6.227216116783036,"endHours":6.578977790154237,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:43","startHours":11.833417786136552,"endHours":12.712821969564557,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:55","end":"04:48","startHours":3.9187801352845293,"endHours":4.798184318712532,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:35","end":"05:41","startHours":4.578333272855531,"endHours":5.677588502140535,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:21","startHours":14.471630336420564,"endHours":15.351034519848566,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.668651253560576,"endHours":19.068651253560574,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:25","startHours":18.868651253560575,"endHours":19.41827886820308,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.618651253560575,"endHours":20.368651253560575,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:43","startHours":23.833417786136554,"endHours":24.712821969564555,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:41","end":"07:20","startHours":5.677588502140535,"endHours":7.32647134606804,"quality":"inauspicious"},{"name":"Chala","start":"07:20","end":"08:59","startHours":7.32647134606804,"endHours":8.975354189995546,"quality":"neutral"},{"name":"Labha","start":"08:59","end":"10:37","startHours":8.975354189995546,"endHours":10.62423703392305,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:16","startHours":10.62423703392305,"endHours":12.273119877850554,"quality":"auspicious"},{"name":"Kāla","start":"12:16","end":"13:55","startHours":12.273119877850554,"endHours":13.92200272177806,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:34","startHours":13.92200272177806,"endHours":15.570885565705566,"quality":"auspicious"},{"name":"Roga","start":"15:34","end":"17:13","startHours":15.570885565705566,"endHours":17.21976840963307,"quality":"inauspicious"},{"name":"Udveg","start":"17:13","end":"18:52","startHours":17.21976840963307,"endHours":18.868651253560575,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:52","end":"20:13","startHours":18.868651253560575,"endHours":20.21976840963307,"quality":"auspicious"},{"name":"Roga","start":"20:13","end":"21:34","startHours":20.21976840963307,"endHours":21.570885565705566,"quality":"inauspicious"},{"name":"Udveg","start":"21:34","end":"22:55","startHours":21.570885565705566,"endHours":22.92200272177806,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:16","startHours":22.92200272177806,"endHours":24.273119877850554,"quality":"neutral"},{"name":"Labha","start":"00:16","end":"01:37","startHours":24.273119877850554,"endHours":25.62423703392305,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"02:59","startHours":25.62423703392305,"endHours":26.975354189995542,"quality":"auspicious"},{"name":"Kāla","start":"02:59","end":"04:20","startHours":26.975354189995542,"endHours":28.32647134606804,"quality":"inauspicious"},{"name":"Śubha","start":"04:20","end":"05:41","startHours":28.32647134606804,"endHours":29.677588502140534,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.677588502140535,"endHours":6.677588502140535,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.677588502140535,"endHours":7.677588502140535,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.677588502140535,"endHours":8.677588502140534,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.677588502140534,"endHours":9.677588502140534,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.677588502140534,"endHours":10.677588502140534,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.677588502140534,"endHours":11.677588502140534,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.677588502140534,"endHours":12.677588502140534,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.677588502140534,"endHours":13.677588502140534,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.677588502140534,"endHours":14.677588502140534,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.677588502140534,"endHours":15.677588502140534,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.677588502140534,"endHours":16.677588502140534,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.677588502140534,"endHours":17.677588502140534,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.677588502140534,"endHours":18.677588502140534,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.677588502140534,"endHours":19.677588502140534,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.677588502140534,"endHours":20.677588502140534,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.677588502140534,"endHours":21.677588502140534,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.677588502140534,"endHours":22.677588502140534,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.677588502140534,"endHours":23.677588502140534,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.677588502140534,"endHours":24.677588502140534,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.677588502140534,"endHours":25.677588502140534,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.677588502140534,"endHours":26.677588502140534,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.677588502140534,"endHours":27.677588502140534,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.677588502140534,"endHours":28.677588502140534,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.677588502140534,"endHours":29.677588502140534,"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","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":14.884952983291202,"eotMinutes":2.918007328966811,"ayanamsa":23.3826}},"calendars":{"vikram_samvat":2023,"vikram_samvatsara":"Siddhārthī","saka_samvat":1888,"saka_samvatsara":"Parābhava","bengali_samvat":1373,"malayalam_era":1142,"nanakshahi_year":497,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ekādaśī · Vikram 2023 Siddhārthī · Śaka 1888 Parābhava"},"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},{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 1, 1966 CE · Mathurā · Vidhyamitra","description":"May 1, 1966 CE for Mathurā: Śukla Ekādaśī, sūryodaya 05:41, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1966-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1966-05-01","sa":"https://sa.vidhyamitra.com/city/mathura/1966-05-01","hi":"https://hi.vidhyamitra.com/city/mathura/1966-05-01","x-default":"https://vidhyamitra.com/city/mathura/1966-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:05:36.165Z","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":"2026-05-14T12:05:36.165Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T12:05:36.165Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}