{"id":"vidhyamitra:city-day:thane:1997-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1997-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-08-20","date_display":"August 20, 1997 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":1997,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450680.770833,"kali_year":5099,"ahargana":1862215.2708,"sun":{"sidereal_longitude":122.6205,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":323.0909,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.4705,"elapsed_within_tithi_degrees":8.4705},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.0909,"elapsed_within_degrees":3.0909},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.7114},"karana":{"half_tithi_index":33,"name":"Gara"},"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":1997,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450680.770833,"ahargana":1862215.2708,"kali_year":5099,"ayanamsa_lahiri":23.8199,"grahas":{"sun":{"sidereal_longitude":123.25223,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":325.59383,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":0.6087},"mars":{"sidereal_longitude":189.73002999999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":142.36963000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":291.84493,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"venus":{"sidereal_longitude":159.10103000000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":356.20693,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":150.8733,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.8733,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"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":1997,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450680.770833,"kali_year":5099,"ahargana":1862215.2708,"sun":{"sidereal_longitude":122.6205,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":323.0909,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.4705,"elapsed_within_tithi_degrees":8.4705},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.0909,"elapsed_within_degrees":3.0909},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.7114},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.609,"elongation":159.53},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.609,"opposition_distance":20.47}},"eclipse_window_40days":[{"offset_days":13,"type":"solar","occurs":true,"moon_latitude":-1.043,"elongation":1.659}]},"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":"06:20","sunsetLocal":"19:02","solarNoonLocal":"12:41","dayLengthHours":12.711197605934483,"dayLengthDisplay":"12 Hours 42 Mins 40 Secs","nightLengthDisplay":"11 Hours 17 Mins 20 Secs","moonriseLocal":"20:14","moonsetLocal":"08:07","rahuKala":{"name":"Rāhu Kāla","start":"12:41","end":"14:16","startHours":12.685626848508837,"endHours":14.274526549250648,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:55","end":"09:30","startHours":7.918927746283407,"endHours":9.507827447025218,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:06","end":"12:41","startHours":11.096727147767027,"endHours":12.685626848508837,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:43","startHours":9.295974153592976,"endHours":9.719680740457457,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:52","end":"07:12","startHours":6.859661279122199,"endHours":7.1986265486137855,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:16","end":"13:07","startHours":12.261920261644354,"endHours":13.10933343537332,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:29","startHours":4.635201698083665,"endHours":5.48261487181263,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:20","startHours":5.270761578380389,"endHours":6.330028045541596,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:39","startHours":14.80415978283125,"endHours":15.651572956560216,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:50","end":"19:14","startHours":18.84122565147608,"endHours":19.24122565147608,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:02","end":"19:34","startHours":19.04122565147608,"endHours":19.570858885056683,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:47","end":"20:32","startHours":18.79122565147608,"endHours":20.54122565147608,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:16","end":"01:07","startHours":24.261920261644356,"endHours":25.109333435373323,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:20","end":"07:55","startHours":6.330028045541596,"endHours":7.918927746283407,"quality":"auspicious"},{"name":"Amṛta","start":"07:55","end":"09:30","startHours":7.918927746283407,"endHours":9.507827447025218,"quality":"auspicious"},{"name":"Kāla","start":"09:30","end":"11:06","startHours":9.507827447025218,"endHours":11.096727147767027,"quality":"inauspicious"},{"name":"Śubha","start":"11:06","end":"12:41","startHours":11.096727147767027,"endHours":12.685626848508837,"quality":"auspicious"},{"name":"Roga","start":"12:41","end":"14:16","startHours":12.685626848508837,"endHours":14.274526549250648,"quality":"inauspicious"},{"name":"Udveg","start":"14:16","end":"15:52","startHours":14.274526549250648,"endHours":15.863426249992457,"quality":"inauspicious"},{"name":"Chala","start":"15:52","end":"17:27","startHours":15.863426249992457,"endHours":17.45232595073427,"quality":"neutral"},{"name":"Labha","start":"17:27","end":"19:02","startHours":17.45232595073427,"endHours":19.04122565147608,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:02","end":"20:27","startHours":19.04122565147608,"endHours":20.45232595073427,"quality":"inauspicious"},{"name":"Chala","start":"20:27","end":"21:52","startHours":20.45232595073427,"endHours":21.863426249992457,"quality":"neutral"},{"name":"Labha","start":"21:52","end":"23:16","startHours":21.863426249992457,"endHours":23.27452654925065,"quality":"auspicious"},{"name":"Amṛta","start":"23:16","end":"00:41","startHours":23.27452654925065,"endHours":24.68562684850884,"quality":"auspicious"},{"name":"Kāla","start":"00:41","end":"02:06","startHours":24.68562684850884,"endHours":26.096727147767027,"quality":"inauspicious"},{"name":"Śubha","start":"02:06","end":"03:30","startHours":26.096727147767027,"endHours":27.507827447025218,"quality":"auspicious"},{"name":"Roga","start":"03:30","end":"04:55","startHours":27.507827447025218,"endHours":28.91892774628341,"quality":"inauspicious"},{"name":"Udveg","start":"04:55","end":"06:20","startHours":28.91892774628341,"endHours":30.330028045541596,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.330028045541596,"endHours":7.330028045541596,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.330028045541596,"endHours":8.330028045541596,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.330028045541596,"endHours":9.330028045541596,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.330028045541596,"endHours":10.330028045541596,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.330028045541596,"endHours":11.330028045541596,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.330028045541596,"endHours":12.330028045541596,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.330028045541596,"endHours":13.330028045541596,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.330028045541596,"endHours":14.330028045541596,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.330028045541596,"endHours":15.330028045541596,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.330028045541596,"endHours":16.330028045541596,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.330028045541596,"endHours":17.330028045541596,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.330028045541596,"endHours":18.330028045541596,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.330028045541596,"endHours":19.330028045541596,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.330028045541596,"endHours":20.330028045541596,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.330028045541596,"endHours":21.330028045541596,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.330028045541596,"endHours":22.330028045541596,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.330028045541596,"endHours":23.330028045541596,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.330028045541596,"endHours":24.330028045541596,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.330028045541596,"endHours":25.330028045541596,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.330028045541596,"endHours":26.330028045541596,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.330028045541596,"endHours":27.330028045541596,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.330028045541596,"endHours":28.330028045541596,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.330028045541596,"endHours":29.330028045541596,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.330028045541596,"endHours":30.330028045541596,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.485968901251406,"eotMinutes":-3.0500109105302213,"ayanamsa":23.8199}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Dvitīyā · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"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":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 20, 1997 CE · Thane, Maharashtra · Vidhyamitra","description":"August 20, 1997 CE for Thane, Maharashtra: Kṛṣṇa Dvitīyā, sūryodaya 06:20, sūryāsta 19:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1997-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1997-08-20","sa":"https://sa.vidhyamitra.com/city/thane/1997-08-20","hi":"https://hi.vidhyamitra.com/city/thane/1997-08-20","x-default":"https://vidhyamitra.com/city/thane/1997-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T23:33:19.982Z","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":"2026-05-19T23:33:19.982Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T23:33:19.982Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}