{"id":"vidhyamitra:city-day:thane:1980-10-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1980-10-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-10-07","date_display":"October 7, 1980 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":1980,"month":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444519.770833,"kali_year":5082,"ahargana":1856054.2708,"sun":{"sidereal_longitude":169.6489,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":146.6028,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.9539,"elapsed_within_tithi_degrees":0.9539},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.6028,"elapsed_within_degrees":13.2695},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.2517},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1980,"month":10,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444519.770833,"ahargana":1856054.2708,"kali_year":5082,"ayanamsa_lahiri":23.5843,"grahas":{"sun":{"sidereal_longitude":170.345726,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":147.74832600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":2.1998},"mars":{"sidereal_longitude":213.038726,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":195.40902600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":152.244726,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":129.088526,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":158.07592599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":117.3128,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":297.3128,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1980,"month":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444519.770833,"kali_year":5082,"ahargana":1856054.2708,"sun":{"sidereal_longitude":169.6489,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":146.6028,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.9539,"elapsed_within_tithi_degrees":0.9539},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.6028,"elapsed_within_degrees":13.2695},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.2517},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.2,"elongation":23.046},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.2,"opposition_distance":156.954}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:29","sunsetLocal":"18:21","solarNoonLocal":"12:25","dayLengthHours":11.861990119420163,"dayLengthDisplay":"11 Hours 51 Mins 43 Secs","nightLengthDisplay":"12 Hours 08 Mins 17 Secs","moonriseLocal":"04:47","moonsetLocal":"17:02","rahuKala":{"name":"Rāhu Kāla","start":"15:23","end":"16:52","startHours":15.384311693038047,"endHours":16.867060457965565,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:27","end":"10:56","startHours":9.453316633327965,"endHours":10.936065398255485,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:25","end":"13:54","startHours":12.418814163183004,"endHours":13.901562928110526,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:39","startHours":9.255616798004295,"endHours":9.651016468651633,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:59","end":"07:18","startHours":6.982068691782097,"endHours":7.298388428299968,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:49","startHours":12.023414492535666,"endHours":12.814213833830342,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:54","end":"05:42","startHours":4.906220420883568,"endHours":5.697019762178246,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:30","end":"06:29","startHours":5.499319926854577,"endHours":6.487819103472924,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:11","startHours":14.3958125164197,"endHours":15.186611857714377,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.149809222893087,"endHours":18.549809222893085,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:51","startHours":18.349809222893086,"endHours":18.84405881120226,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.099809222893086,"endHours":19.849809222893086,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:49","startHours":24.023414492535665,"endHours":24.814213833830344,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:29","end":"07:58","startHours":6.487819103472924,"endHours":7.970567868400444,"quality":"inauspicious"},{"name":"Udveg","start":"07:58","end":"09:27","startHours":7.970567868400444,"endHours":9.453316633327965,"quality":"inauspicious"},{"name":"Chala","start":"09:27","end":"10:56","startHours":9.453316633327965,"endHours":10.936065398255485,"quality":"neutral"},{"name":"Labha","start":"10:56","end":"12:25","startHours":10.936065398255485,"endHours":12.418814163183004,"quality":"auspicious"},{"name":"Amṛta","start":"12:25","end":"13:54","startHours":12.418814163183004,"endHours":13.901562928110526,"quality":"auspicious"},{"name":"Kāla","start":"13:54","end":"15:23","startHours":13.901562928110526,"endHours":15.384311693038047,"quality":"inauspicious"},{"name":"Śubha","start":"15:23","end":"16:52","startHours":15.384311693038047,"endHours":16.867060457965565,"quality":"auspicious"},{"name":"Roga","start":"16:52","end":"18:21","startHours":16.867060457965565,"endHours":18.349809222893086,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:21","end":"19:52","startHours":18.349809222893086,"endHours":19.867060457965565,"quality":"inauspicious"},{"name":"Śubha","start":"19:52","end":"21:23","startHours":19.867060457965565,"endHours":21.384311693038043,"quality":"auspicious"},{"name":"Roga","start":"21:23","end":"22:54","startHours":21.384311693038043,"endHours":22.901562928110526,"quality":"inauspicious"},{"name":"Udveg","start":"22:54","end":"00:25","startHours":22.901562928110526,"endHours":24.418814163183004,"quality":"inauspicious"},{"name":"Chala","start":"00:25","end":"01:56","startHours":24.418814163183004,"endHours":25.936065398255483,"quality":"neutral"},{"name":"Labha","start":"01:56","end":"03:27","startHours":25.936065398255483,"endHours":27.453316633327965,"quality":"auspicious"},{"name":"Amṛta","start":"03:27","end":"04:58","startHours":27.453316633327965,"endHours":28.970567868400444,"quality":"auspicious"},{"name":"Kāla","start":"04:58","end":"06:29","startHours":28.970567868400444,"endHours":30.487819103472923,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.487819103472924,"endHours":7.487819103472924,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.487819103472924,"endHours":8.487819103472923,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.487819103472923,"endHours":9.487819103472923,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.487819103472923,"endHours":10.487819103472923,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.487819103472923,"endHours":11.487819103472923,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.487819103472923,"endHours":12.487819103472923,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.487819103472923,"endHours":13.487819103472923,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.487819103472923,"endHours":14.487819103472923,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.487819103472923,"endHours":15.487819103472923,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.487819103472923,"endHours":16.487819103472923,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.487819103472923,"endHours":17.487819103472923,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.487819103472923,"endHours":18.487819103472923,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.487819103472923,"endHours":19.487819103472923,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.487819103472923,"endHours":20.487819103472923,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.487819103472923,"endHours":21.487819103472923,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.487819103472923,"endHours":22.487819103472923,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.487819103472923,"endHours":23.487819103472923,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.487819103472923,"endHours":24.487819103472923,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.487819103472923,"endHours":25.487819103472923,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.487819103472923,"endHours":26.487819103472923,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.487819103472923,"endHours":27.487819103472923,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.487819103472923,"endHours":28.487819103472923,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.487819103472923,"endHours":29.487819103472923,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.487819103472923,"endHours":30.487819103472923,"planetary_lord":"Saturn"}],"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":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-5.494419738860967,"eotMinutes":12.958750209019716,"ayanamsa":23.5843}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturdaśī · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 7, 1980 CE · Thane, Maharashtra · Vidhyamitra","description":"October 7, 1980 CE for Thane, Maharashtra: Kṛṣṇa Caturdaśī, sūryodaya 06:29, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1980-10-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1980-10-07","sa":"https://sa.vidhyamitra.com/city/thane/1980-10-07","hi":"https://hi.vidhyamitra.com/city/thane/1980-10-07","x-default":"https://vidhyamitra.com/city/thane/1980-10-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T14:16:52.949Z","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":"2026-06-01T14:16:52.949Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T14:16:52.949Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}