{"id":"vidhyamitra:city-day:surat:1981-11-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/1981-11-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-11-08","date_display":"November 8, 1981 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":1981,"month":11,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444916.770833,"kali_year":5083,"ahargana":1856451.2708,"sun":{"sidereal_longitude":201.3438,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":330.2978,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":128.954,"elapsed_within_tithi_degrees":8.954},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.2978,"elapsed_within_degrees":10.2978},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.6416},"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":1981,"month":11,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444916.770833,"ahargana":1856451.2708,"kali_year":5083,"ayanamsa_lahiri":23.5995,"grahas":{"sun":{"sidereal_longitude":201.950557,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":328.361757,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.6402},"mars":{"sidereal_longitude":136.923857,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":184.49695700000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":182.88475700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":249.309757,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":172.85645699999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":96.2778,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":276.2778,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1981,"month":11,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444916.770833,"kali_year":5083,"ahargana":1856451.2708,"sun":{"sidereal_longitude":201.3438,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":330.2978,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":128.954,"elapsed_within_tithi_degrees":8.954},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.2978,"elapsed_within_degrees":10.2978},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.6416},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.64,"elongation":128.954},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.64,"opposition_distance":51.046}},"eclipse_window_40days":[]},"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":"06:45","sunsetLocal":"18:00","solarNoonLocal":"12:23","dayLengthHours":11.24692321535273,"dayLengthDisplay":"11 Hours 14 Mins 49 Secs","nightLengthDisplay":"12 Hours 45 Mins 11 Secs","moonriseLocal":"14:51","moonsetLocal":"02:46","rahuKala":{"name":"Rāhu Kāla","start":"16:36","end":"18:00","startHours":16.595721040468604,"endHours":18.001586442387694,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:23","end":"13:47","startHours":12.378124834711329,"endHours":13.783990236630421,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:11","end":"16:36","startHours":15.189855638549513,"endHours":16.595721040468604,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:45","startHours":9.378945310617269,"endHours":9.753842751129026,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.223285027674662,"endHours":7.5232029800840685,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:45","startHours":12.003227394199572,"endHours":12.753022275223087,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:15","end":"06:00","startHours":5.255073464987934,"endHours":6.00486834601145,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:45","startHours":5.817419625755571,"endHours":6.754663227034965,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:00","startHours":14.252612037270119,"endHours":15.002406918293634,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.801586442387695,"endHours":18.201586442387693,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:28","startHours":18.001586442387694,"endHours":18.47020824302739,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.751586442387694,"endHours":19.501586442387694,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:45","startHours":24.00322739419957,"endHours":24.75302227522309,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:45","end":"08:10","startHours":6.754663227034965,"endHours":8.160528628954056,"quality":"inauspicious"},{"name":"Chala","start":"08:10","end":"09:34","startHours":8.160528628954056,"endHours":9.566394030873148,"quality":"neutral"},{"name":"Labha","start":"09:34","end":"10:58","startHours":9.566394030873148,"endHours":10.972259432792239,"quality":"auspicious"},{"name":"Amṛta","start":"10:58","end":"12:23","startHours":10.972259432792239,"endHours":12.378124834711329,"quality":"auspicious"},{"name":"Kāla","start":"12:23","end":"13:47","startHours":12.378124834711329,"endHours":13.783990236630421,"quality":"inauspicious"},{"name":"Śubha","start":"13:47","end":"15:11","startHours":13.783990236630421,"endHours":15.189855638549513,"quality":"auspicious"},{"name":"Roga","start":"15:11","end":"16:36","startHours":15.189855638549513,"endHours":16.595721040468604,"quality":"inauspicious"},{"name":"Udveg","start":"16:36","end":"18:00","startHours":16.595721040468604,"endHours":18.001586442387694,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:00","end":"19:36","startHours":18.001586442387694,"endHours":19.595721040468604,"quality":"auspicious"},{"name":"Roga","start":"19:36","end":"21:11","startHours":19.595721040468604,"endHours":21.18985563854951,"quality":"inauspicious"},{"name":"Udveg","start":"21:11","end":"22:47","startHours":21.18985563854951,"endHours":22.78399023663042,"quality":"inauspicious"},{"name":"Chala","start":"22:47","end":"00:23","startHours":22.78399023663042,"endHours":24.37812483471133,"quality":"neutral"},{"name":"Labha","start":"00:23","end":"01:58","startHours":24.37812483471133,"endHours":25.97225943279224,"quality":"auspicious"},{"name":"Amṛta","start":"01:58","end":"03:34","startHours":25.97225943279224,"endHours":27.56639403087315,"quality":"auspicious"},{"name":"Kāla","start":"03:34","end":"05:10","startHours":27.56639403087315,"endHours":29.160528628954054,"quality":"inauspicious"},{"name":"Śubha","start":"05:10","end":"06:45","startHours":29.160528628954054,"endHours":30.754663227034964,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.754663227034965,"endHours":7.754663227034965,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.754663227034965,"endHours":8.754663227034964,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.754663227034964,"endHours":9.754663227034964,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.754663227034964,"endHours":10.754663227034964,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.754663227034964,"endHours":11.754663227034964,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.754663227034964,"endHours":12.754663227034964,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.754663227034964,"endHours":13.754663227034964,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.754663227034964,"endHours":14.754663227034964,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.754663227034964,"endHours":15.754663227034964,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.754663227034964,"endHours":16.754663227034964,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.754663227034964,"endHours":17.754663227034964,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.754663227034964,"endHours":18.754663227034964,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.754663227034964,"endHours":19.754663227034964,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.754663227034964,"endHours":20.754663227034964,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.754663227034964,"endHours":21.754663227034964,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.754663227034964,"endHours":22.754663227034964,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.754663227034964,"endHours":23.754663227034964,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.754663227034964,"endHours":24.754663227034964,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.754663227034964,"endHours":25.754663227034964,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.754663227034964,"endHours":26.754663227034964,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.754663227034964,"endHours":27.754663227034964,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.754663227034964,"endHours":28.754663227034964,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.754663227034964,"endHours":29.754663227034964,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.754663227034964,"endHours":30.754663227034964,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-16.494679194777998,"eotMinutes":15.988109917320294,"ayanamsa":23.5995}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Ekādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"devotthana-ekadashi","name":"Devotthāna Ekādaśī (Prabodhinī)","name_sanskrit":"देवोत्थान एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Bhagavān Viṣṇu awakens; Cāturmāsya ends; weddings can resume.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":3},{"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":"surat"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga November 8, 1981 CE · Surat, Gujarat · Vidhyamitra","description":"November 8, 1981 CE for Surat, Gujarat: Śukla Ekādaśī, sūryodaya 06:45, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/1981-11-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/1981-11-08","sa":"https://sa.vidhyamitra.com/city/surat/1981-11-08","hi":"https://hi.vidhyamitra.com/city/surat/1981-11-08","x-default":"https://vidhyamitra.com/city/surat/1981-11-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:12:25.176Z","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":"2026-06-02T05:12:25.176Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:12:25.176Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}