{"id":"vidhyamitra:city-day:thane:1999-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1999-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1999-07-28","date_display":"July 28, 1999 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":1999,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451387.770833,"kali_year":5101,"ahargana":1862922.2708,"sun":{"sidereal_longitude":100.2017,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":274.8007,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.599,"elapsed_within_tithi_degrees":6.599},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.8007,"elapsed_within_degrees":8.134},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.0024},"karana":{"half_tithi_index":29,"name":"Bava"},"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":1999,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451387.770833,"ahargana":1862922.2708,"kali_year":5101,"ayanamsa_lahiri":23.847,"grahas":{"sun":{"sidereal_longitude":100.710218,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":275.56301800000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":1.4349},"mars":{"sidereal_longitude":195.56941800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":98.353118,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":9.859418000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":131.18301799999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":22.347118000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":113.4131,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":293.4131,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"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":1999,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451387.770833,"kali_year":5101,"ahargana":1862922.2708,"sun":{"sidereal_longitude":100.2017,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":274.8007,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.599,"elapsed_within_tithi_degrees":6.599},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.8007,"elapsed_within_degrees":8.134},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.0024},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.435,"elongation":174.599},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.435,"opposition_distance":5.401}},"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":"06:13","sunsetLocal":"19:16","solarNoonLocal":"12:44","dayLengthHours":13.051037442038414,"dayLengthDisplay":"13 Hours 03 Mins 04 Secs","nightLengthDisplay":"10 Hours 56 Mins 56 Secs","moonriseLocal":"18:51","moonsetLocal":"05:57","rahuKala":{"name":"Rāhu Kāla","start":"12:44","end":"14:22","startHours":12.737632544606686,"endHours":14.369012224861489,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:51","end":"09:28","startHours":7.843493503842282,"endHours":9.474873184097085,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:06","end":"12:44","startHours":11.106252864351886,"endHours":12.737632544606686,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:42","startHours":9.257355893396443,"endHours":9.692390474797724,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:06","startHours":6.755907050339081,"endHours":7.103934715460105,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:10","startHours":12.302597963205406,"endHours":13.172667126007967,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:21","startHours":4.471975497982358,"endHours":5.34204466078492,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:13","startHours":5.124527370084279,"endHours":6.21211382358748,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:47","startHours":14.912805451613089,"endHours":15.78287461441565,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:04","end":"19:28","startHours":19.063151265625894,"endHours":19.463151265625893,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:16","end":"19:48","startHours":19.263151265625893,"endHours":19.806944492377493,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:01","end":"20:46","startHours":19.013151265625893,"endHours":20.763151265625893,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:10","startHours":24.302597963205407,"endHours":25.172667126007966,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:13","end":"07:51","startHours":6.21211382358748,"endHours":7.843493503842282,"quality":"auspicious"},{"name":"Amṛta","start":"07:51","end":"09:28","startHours":7.843493503842282,"endHours":9.474873184097085,"quality":"auspicious"},{"name":"Kāla","start":"09:28","end":"11:06","startHours":9.474873184097085,"endHours":11.106252864351886,"quality":"inauspicious"},{"name":"Śubha","start":"11:06","end":"12:44","startHours":11.106252864351886,"endHours":12.737632544606686,"quality":"auspicious"},{"name":"Roga","start":"12:44","end":"14:22","startHours":12.737632544606686,"endHours":14.369012224861489,"quality":"inauspicious"},{"name":"Udveg","start":"14:22","end":"16:00","startHours":14.369012224861489,"endHours":16.00039190511629,"quality":"inauspicious"},{"name":"Chala","start":"16:00","end":"17:38","startHours":16.00039190511629,"endHours":17.63177158537109,"quality":"neutral"},{"name":"Labha","start":"17:38","end":"19:16","startHours":17.63177158537109,"endHours":19.263151265625893,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:16","end":"20:38","startHours":19.263151265625893,"endHours":20.63177158537109,"quality":"inauspicious"},{"name":"Chala","start":"20:38","end":"22:00","startHours":20.63177158537109,"endHours":22.000391905116288,"quality":"neutral"},{"name":"Labha","start":"22:00","end":"23:22","startHours":22.000391905116288,"endHours":23.36901222486149,"quality":"auspicious"},{"name":"Amṛta","start":"23:22","end":"00:44","startHours":23.36901222486149,"endHours":24.737632544606686,"quality":"auspicious"},{"name":"Kāla","start":"00:44","end":"02:06","startHours":24.737632544606686,"endHours":26.106252864351884,"quality":"inauspicious"},{"name":"Śubha","start":"02:06","end":"03:28","startHours":26.106252864351884,"endHours":27.474873184097085,"quality":"auspicious"},{"name":"Roga","start":"03:28","end":"04:51","startHours":27.474873184097085,"endHours":28.843493503842282,"quality":"inauspicious"},{"name":"Udveg","start":"04:51","end":"06:13","startHours":28.843493503842282,"endHours":30.21211382358748,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.21211382358748,"endHours":7.21211382358748,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.21211382358748,"endHours":8.21211382358748,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.21211382358748,"endHours":9.21211382358748,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.21211382358748,"endHours":10.21211382358748,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.21211382358748,"endHours":11.21211382358748,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.21211382358748,"endHours":12.21211382358748,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.21211382358748,"endHours":13.21211382358748,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.21211382358748,"endHours":14.21211382358748,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.21211382358748,"endHours":15.21211382358748,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.21211382358748,"endHours":16.21211382358748,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.21211382358748,"endHours":17.21211382358748,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.21211382358748,"endHours":18.21211382358748,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.21211382358748,"endHours":19.21211382358748,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.21211382358748,"endHours":20.21211382358748,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.21211382358748,"endHours":21.21211382358748,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.21211382358748,"endHours":22.21211382358748,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.21211382358748,"endHours":23.21211382358748,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.21211382358748,"endHours":24.21211382358748,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.21211382358748,"endHours":25.21211382358748,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.21211382358748,"endHours":26.21211382358748,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.21211382358748,"endHours":27.21211382358748,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.21211382358748,"endHours":28.21211382358748,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.21211382358748,"endHours":29.21211382358748,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.21211382358748,"endHours":30.21211382358748,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.120538077625234,"eotMinutes":-6.170352676401169,"ayanamsa":23.847}},"calendars":{"vikram_samvat":2056,"vikram_samvatsara":"Nandana","saka_samvat":1921,"saka_samvatsara":"Pramāthi","bengali_samvat":1406,"malayalam_era":1175,"nanakshahi_year":530,"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 Pūrṇimā · Vikram 2056 Nandana · Śaka 1921 Pramāthi"},"festivals":[{"id":"guru-purnima","name":"Guru Pūrṇimā / Vyāsa Pūrṇimā","name_sanskrit":"गुरु पूर्णिमा / व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Vyāsa-jī","significance":"Honor Vyāsa-jī and all gurus.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1},{"id":"vyasa-purnima","name":"Vyāsa Pūrṇimā (= Guru Pūrṇimā)","name_sanskrit":"व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Veda-Vyāsa","significance":"Birth of Veda-Vyāsa; Mahābhārata-Purāṇa-vibhāga-kartā. = Guru Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1,"related_chart":"vyasa"}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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 28, 1999 CE · Thane, Maharashtra · Vidhyamitra","description":"July 28, 1999 CE for Thane, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:13, sūryāsta 19:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1999-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1999-07-28","sa":"https://sa.vidhyamitra.com/city/thane/1999-07-28","hi":"https://hi.vidhyamitra.com/city/thane/1999-07-28","x-default":"https://vidhyamitra.com/city/thane/1999-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:28:35.861Z","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":"2026-06-01T20:28:35.861Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:28:35.861Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}