{"id":"vidhyamitra:city-day:surat:1985-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/1985-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-05-01","date_display":"May 1, 1985 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":1985,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446186.770833,"kali_year":5087,"ahargana":1857721.2708,"sun":{"sidereal_longitude":17.0671,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":146.6325,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.5654,"elapsed_within_tithi_degrees":9.5654},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.6325,"elapsed_within_degrees":13.2992},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":163.6996},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1985,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446186.770833,"ahargana":1857721.2708,"kali_year":5087,"ayanamsa_lahiri":23.6481,"grahas":{"sun":{"sidereal_longitude":16.973134000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":143.900934,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":3.9854},"mars":{"sidereal_longitude":39.816434000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":350.357734,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":292.34873400000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":343.246734,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":211.92573400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":28.9871,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":208.9871,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"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":1985,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446186.770833,"kali_year":5087,"ahargana":1857721.2708,"sun":{"sidereal_longitude":17.0671,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":146.6325,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.5654,"elapsed_within_tithi_degrees":9.5654},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.6325,"elapsed_within_degrees":13.2992},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":163.6996},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.985,"elongation":129.565},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.985,"opposition_distance":50.435}},"eclipse_window_40days":[{"offset_days":19,"type":"solar","occurs":true,"moon_latitude":0.744,"elongation":2.194}]},"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"tier2":{"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"sunriseLocal":"06:08","sunsetLocal":"19:03","solarNoonLocal":"12:36","dayLengthHours":12.918682645535569,"dayLengthDisplay":"12 Hours 55 Mins 07 Secs","nightLengthDisplay":"11 Hours 04 Mins 53 Secs","moonriseLocal":"14:53","moonsetLocal":"03:14","rahuKala":{"name":"Rāhu Kāla","start":"12:36","end":"14:13","startHours":12.595959877850554,"endHours":14.2107952085425,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:45","end":"09:22","startHours":7.751453885774716,"endHours":9.366289216466662,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:59","end":"12:36","startHours":10.981124547158608,"endHours":12.595959877850554,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:35","startHours":9.150977839041069,"endHours":9.581600593892254,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"07:01","startHours":6.674896998646752,"endHours":7.019395202527701,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"13:02","startHours":12.165337122999368,"endHours":13.02658263270174,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:17","startHours":4.414127535678028,"endHours":5.275373045380399,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:08","startHours":5.060061667954806,"endHours":6.13661855508277,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:37","startHours":14.749073652106482,"endHours":15.610319161808853,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:51","end":"19:15","startHours":18.85530120061834,"endHours":19.255301200618337,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:03","end":"19:36","startHours":19.055301200618338,"endHours":19.59357964418232,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:48","end":"20:33","startHours":18.805301200618338,"endHours":20.555301200618338,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"01:02","startHours":24.165337122999368,"endHours":25.02658263270174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:08","end":"07:45","startHours":6.13661855508277,"endHours":7.751453885774716,"quality":"auspicious"},{"name":"Amṛta","start":"07:45","end":"09:22","startHours":7.751453885774716,"endHours":9.366289216466662,"quality":"auspicious"},{"name":"Kāla","start":"09:22","end":"10:59","startHours":9.366289216466662,"endHours":10.981124547158608,"quality":"inauspicious"},{"name":"Śubha","start":"10:59","end":"12:36","startHours":10.981124547158608,"endHours":12.595959877850554,"quality":"auspicious"},{"name":"Roga","start":"12:36","end":"14:13","startHours":12.595959877850554,"endHours":14.2107952085425,"quality":"inauspicious"},{"name":"Udveg","start":"14:13","end":"15:50","startHours":14.2107952085425,"endHours":15.825630539234446,"quality":"inauspicious"},{"name":"Chala","start":"15:50","end":"17:26","startHours":15.825630539234446,"endHours":17.440465869926392,"quality":"neutral"},{"name":"Labha","start":"17:26","end":"19:03","startHours":17.440465869926392,"endHours":19.055301200618338,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:03","end":"20:26","startHours":19.055301200618338,"endHours":20.440465869926392,"quality":"inauspicious"},{"name":"Chala","start":"20:26","end":"21:50","startHours":20.440465869926392,"endHours":21.825630539234446,"quality":"neutral"},{"name":"Labha","start":"21:50","end":"23:13","startHours":21.825630539234446,"endHours":23.2107952085425,"quality":"auspicious"},{"name":"Amṛta","start":"23:13","end":"00:36","startHours":23.2107952085425,"endHours":24.595959877850554,"quality":"auspicious"},{"name":"Kāla","start":"00:36","end":"01:59","startHours":24.595959877850554,"endHours":25.981124547158608,"quality":"inauspicious"},{"name":"Śubha","start":"01:59","end":"03:22","startHours":25.981124547158608,"endHours":27.36628921646666,"quality":"auspicious"},{"name":"Roga","start":"03:22","end":"04:45","startHours":27.36628921646666,"endHours":28.751453885774716,"quality":"inauspicious"},{"name":"Udveg","start":"04:45","end":"06:08","startHours":28.751453885774716,"endHours":30.13661855508277,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.13661855508277,"endHours":7.13661855508277,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.13661855508277,"endHours":8.13661855508277,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.13661855508277,"endHours":9.13661855508277,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.13661855508277,"endHours":10.13661855508277,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.13661855508277,"endHours":11.13661855508277,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.13661855508277,"endHours":12.13661855508277,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.13661855508277,"endHours":13.13661855508277,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.13661855508277,"endHours":14.13661855508277,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.13661855508277,"endHours":15.13661855508277,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.13661855508277,"endHours":16.13661855508277,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.13661855508277,"endHours":17.13661855508277,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.13661855508277,"endHours":18.13661855508277,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.13661855508277,"endHours":19.13661855508277,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.13661855508277,"endHours":20.13661855508277,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.13661855508277,"endHours":21.13661855508277,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.13661855508277,"endHours":22.13661855508277,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.13661855508277,"endHours":23.13661855508277,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.13661855508277,"endHours":24.13661855508277,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.13661855508277,"endHours":25.13661855508277,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.13661855508277,"endHours":26.13661855508277,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.13661855508277,"endHours":27.13661855508277,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.13661855508277,"endHours":28.13661855508277,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.13661855508277,"endHours":29.13661855508277,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.13661855508277,"endHours":30.13661855508277,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","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":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.007526594803657,"eotMinutes":2.918007328966811,"ayanamsa":23.6481}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","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 Śukla Ekādaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"surat"},"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, 1985 CE · Surat, Gujarat · Vidhyamitra","description":"May 1, 1985 CE for Surat, Gujarat: Śukla Ekādaśī, sūryodaya 06:08, sūryāsta 19:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/1985-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/1985-05-01","sa":"https://sa.vidhyamitra.com/city/surat/1985-05-01","hi":"https://hi.vidhyamitra.com/city/surat/1985-05-01","x-default":"https://vidhyamitra.com/city/surat/1985-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T02:57:27.243Z","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":"2026-06-02T02:57:27.243Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T02:57:27.243Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}