{"id":"vidhyamitra:city-day:thane:1980-07-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1980-07-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-07-19","date_display":"July 19, 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":7,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444439.770833,"kali_year":5082,"ahargana":1855974.2708,"sun":{"sidereal_longitude":92.5335,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.5446,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.0111,"elapsed_within_tithi_degrees":7.0111},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.5446,"elapsed_within_degrees":11.5446},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.0781},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":7,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444439.770833,"ahargana":1855974.2708,"kali_year":5082,"ayanamsa_lahiri":23.5813,"grahas":{"sun":{"sidereal_longitude":92.94528200000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":169.70598199999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":3.4454},"mars":{"sidereal_longitude":161.39668200000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":82.34718199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":135.50938199999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":55.239982,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":149.01728200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":121.5516,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.5516,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1980,"month":7,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444439.770833,"kali_year":5082,"ahargana":1855974.2708,"sun":{"sidereal_longitude":92.5335,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.5446,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.0111,"elapsed_within_tithi_degrees":7.0111},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.5446,"elapsed_within_degrees":11.5446},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.0781},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.445,"elongation":79.011},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.445,"opposition_distance":100.989}},"eclipse_window_40days":[{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":1.393,"opposition_distance":1.959}]},"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":"06:10","sunsetLocal":"19:18","solarNoonLocal":"12:44","dayLengthHours":13.144197174623164,"dayLengthDisplay":"13 Hours 08 Mins 39 Secs","nightLengthDisplay":"10 Hours 51 Mins 21 Secs","moonriseLocal":"11:56","moonsetLocal":"23:46","rahuKala":{"name":"Rāhu Kāla","start":"09:27","end":"11:05","startHours":9.447569523404894,"endHours":11.090594170232789,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:23","end":"16:01","startHours":14.37664346388858,"endHours":16.019668110716474,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:10","end":"07:48","startHours":6.161520229749103,"endHours":7.8045448765769985,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:40","startHours":9.228499570494508,"endHours":9.666639476315279,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:04","startHours":6.709195112025068,"endHours":7.059707036681686,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:10","startHours":12.295478911239911,"endHours":13.171758722881457,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:17","startHours":4.408960606466014,"endHours":5.285240418107558,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:10","startHours":5.066170465197173,"endHours":6.161520229749103,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:48","startHours":14.924318346164545,"endHours":15.800598157806089,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:06","end":"19:30","startHours":19.105717404372268,"endHours":19.505717404372266,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:18","end":"19:51","startHours":19.305717404372267,"endHours":19.853392286648234,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:03","end":"20:48","startHours":19.055717404372267,"endHours":20.805717404372267,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:10","startHours":24.29547891123991,"endHours":25.171758722881457,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:10","end":"07:48","startHours":6.161520229749103,"endHours":7.8045448765769985,"quality":"inauspicious"},{"name":"Śubha","start":"07:48","end":"09:27","startHours":7.8045448765769985,"endHours":9.447569523404894,"quality":"auspicious"},{"name":"Roga","start":"09:27","end":"11:05","startHours":9.447569523404894,"endHours":11.090594170232789,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:44","startHours":11.090594170232789,"endHours":12.733618817060684,"quality":"inauspicious"},{"name":"Chala","start":"12:44","end":"14:23","startHours":12.733618817060684,"endHours":14.37664346388858,"quality":"neutral"},{"name":"Labha","start":"14:23","end":"16:01","startHours":14.37664346388858,"endHours":16.019668110716474,"quality":"auspicious"},{"name":"Amṛta","start":"16:01","end":"17:40","startHours":16.019668110716474,"endHours":17.66269275754437,"quality":"auspicious"},{"name":"Kāla","start":"17:40","end":"19:18","startHours":17.66269275754437,"endHours":19.305717404372267,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:18","end":"20:40","startHours":19.305717404372267,"endHours":20.66269275754437,"quality":"auspicious"},{"name":"Amṛta","start":"20:40","end":"22:01","startHours":20.66269275754437,"endHours":22.019668110716477,"quality":"auspicious"},{"name":"Kāla","start":"22:01","end":"23:23","startHours":22.019668110716477,"endHours":23.37664346388858,"quality":"inauspicious"},{"name":"Śubha","start":"23:23","end":"00:44","startHours":23.37664346388858,"endHours":24.733618817060684,"quality":"auspicious"},{"name":"Roga","start":"00:44","end":"02:05","startHours":24.733618817060684,"endHours":26.09059417023279,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:27","startHours":26.09059417023279,"endHours":27.447569523404894,"quality":"inauspicious"},{"name":"Chala","start":"03:27","end":"04:48","startHours":27.447569523404894,"endHours":28.804544876576998,"quality":"neutral"},{"name":"Labha","start":"04:48","end":"06:10","startHours":28.804544876576998,"endHours":30.1615202297491,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:10","end":"07:10","startHours":6.161520229749103,"endHours":7.161520229749103,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:10","end":"08:10","startHours":7.161520229749103,"endHours":8.161520229749103,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:10","end":"09:10","startHours":8.161520229749103,"endHours":9.161520229749103,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:10","end":"10:10","startHours":9.161520229749103,"endHours":10.161520229749103,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:10","end":"11:10","startHours":10.161520229749103,"endHours":11.161520229749103,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:10","end":"12:10","startHours":11.161520229749103,"endHours":12.161520229749103,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:10","end":"13:10","startHours":12.161520229749103,"endHours":13.161520229749103,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:10","end":"14:10","startHours":13.161520229749103,"endHours":14.161520229749103,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:10","end":"15:10","startHours":14.161520229749103,"endHours":15.161520229749103,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:10","end":"16:10","startHours":15.161520229749103,"endHours":16.1615202297491,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:10","end":"17:10","startHours":16.1615202297491,"endHours":17.1615202297491,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:10","end":"18:10","startHours":17.1615202297491,"endHours":18.1615202297491,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:10","end":"19:10","startHours":18.1615202297491,"endHours":19.1615202297491,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:10","end":"20:10","startHours":19.1615202297491,"endHours":20.1615202297491,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:10","end":"21:10","startHours":20.1615202297491,"endHours":21.1615202297491,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:10","end":"22:10","startHours":21.1615202297491,"endHours":22.1615202297491,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:10","end":"23:10","startHours":22.1615202297491,"endHours":23.1615202297491,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:10","end":"00:10","startHours":23.1615202297491,"endHours":24.1615202297491,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:10","end":"01:10","startHours":24.1615202297491,"endHours":25.1615202297491,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:10","end":"02:10","startHours":25.1615202297491,"endHours":26.1615202297491,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:10","end":"03:10","startHours":26.1615202297491,"endHours":27.1615202297491,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:10","end":"04:10","startHours":27.1615202297491,"endHours":28.1615202297491,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:10","end":"05:10","startHours":28.1615202297491,"endHours":29.1615202297491,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:10","end":"06:10","startHours":29.1615202297491,"endHours":30.1615202297491,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.84628809576974,"eotMinutes":-5.929529023641085,"ayanamsa":23.5813}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Saptamī · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 July 19, 1980 CE · Thane, Maharashtra · Vidhyamitra","description":"July 19, 1980 CE for Thane, Maharashtra: Śukla Saptamī, sūryodaya 06:10, sūryāsta 19:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1980-07-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1980-07-19","sa":"https://sa.vidhyamitra.com/city/thane/1980-07-19","hi":"https://hi.vidhyamitra.com/city/thane/1980-07-19","x-default":"https://vidhyamitra.com/city/thane/1980-07-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:45:11.517Z","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":"2026-06-01T19:45:11.517Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:45:11.517Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}