{"id":"vidhyamitra:city-day:thane:1901-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1901-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1901-08-18","date_display":"August 18, 1901 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":1901,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415614.770833,"kali_year":5003,"ahargana":1827149.2708,"sun":{"sidereal_longitude":121.5102,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":167.0555,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.5453,"elapsed_within_tithi_degrees":9.5453},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.0555,"elapsed_within_degrees":7.0555},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.5657},"karana":{"half_tithi_index":7,"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":1901,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415614.770833,"ahargana":1827149.2708,"kali_year":5003,"ayanamsa_lahiri":22.4788,"grahas":{"sun":{"sidereal_longitude":121.90400899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":165.02990899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":-2.9967},"mars":{"sidereal_longitude":180.061909,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":113.17580899999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":252.41990899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"venus":{"sidereal_longitude":152.26150899999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":259.201009,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":208.8388,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":28.8388,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1901,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415614.770833,"kali_year":5003,"ahargana":1827149.2708,"sun":{"sidereal_longitude":121.5102,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":167.0555,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.5453,"elapsed_within_tithi_degrees":9.5453},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.0555,"elapsed_within_degrees":7.0555},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.5657},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.997,"elongation":45.545},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.997,"opposition_distance":134.455}},"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":"06:19","sunsetLocal":"19:04","solarNoonLocal":"12:42","dayLengthHours":12.756220567090978,"dayLengthDisplay":"12 Hours 45 Mins 22 Secs","nightLengthDisplay":"11 Hours 14 Mins 38 Secs","moonriseLocal":"09:36","moonsetLocal":"21:32","rahuKala":{"name":"Rāhu Kāla","start":"17:29","end":"19:04","startHours":17.477177008007622,"endHours":19.071704578893996,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:42","end":"14:17","startHours":12.693594295348507,"endHours":14.288121866234878,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:53","end":"17:29","startHours":15.882649437121252,"endHours":17.477177008007622,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:43","startHours":9.29193547745758,"endHours":9.717142829693945,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:11","startHours":6.846993202098475,"endHours":7.187159083887568,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:16","end":"13:07","startHours":12.26838694311214,"endHours":13.118801647584874,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:28","startHours":4.614654602857554,"endHours":5.465069307330286,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:19","startHours":5.252465631212103,"endHours":6.315484011803018,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:49","end":"15:40","startHours":14.819631056530337,"endHours":15.670045761003069,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:52","end":"19:16","startHours":18.871704578893997,"endHours":19.271704578893996,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:04","end":"19:36","startHours":19.071704578893996,"endHours":19.603213769189452,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:49","end":"20:34","startHours":18.821704578893996,"endHours":20.571704578893996,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:16","end":"01:07","startHours":24.26838694311214,"endHours":25.118801647584874,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:19","end":"07:55","startHours":6.315484011803018,"endHours":7.91001158268939,"quality":"inauspicious"},{"name":"Chala","start":"07:55","end":"09:30","startHours":7.91001158268939,"endHours":9.504539153575763,"quality":"neutral"},{"name":"Labha","start":"09:30","end":"11:06","startHours":9.504539153575763,"endHours":11.099066724462133,"quality":"auspicious"},{"name":"Amṛta","start":"11:06","end":"12:42","startHours":11.099066724462133,"endHours":12.693594295348507,"quality":"auspicious"},{"name":"Kāla","start":"12:42","end":"14:17","startHours":12.693594295348507,"endHours":14.288121866234878,"quality":"inauspicious"},{"name":"Śubha","start":"14:17","end":"15:53","startHours":14.288121866234878,"endHours":15.882649437121252,"quality":"auspicious"},{"name":"Roga","start":"15:53","end":"17:29","startHours":15.882649437121252,"endHours":17.477177008007622,"quality":"inauspicious"},{"name":"Udveg","start":"17:29","end":"19:04","startHours":17.477177008007622,"endHours":19.071704578893996,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:04","end":"20:29","startHours":19.071704578893996,"endHours":20.477177008007622,"quality":"auspicious"},{"name":"Roga","start":"20:29","end":"21:53","startHours":20.477177008007622,"endHours":21.882649437121252,"quality":"inauspicious"},{"name":"Udveg","start":"21:53","end":"23:17","startHours":21.882649437121252,"endHours":23.28812186623488,"quality":"inauspicious"},{"name":"Chala","start":"23:17","end":"00:42","startHours":23.28812186623488,"endHours":24.693594295348507,"quality":"neutral"},{"name":"Labha","start":"00:42","end":"02:06","startHours":24.693594295348507,"endHours":26.099066724462133,"quality":"auspicious"},{"name":"Amṛta","start":"02:06","end":"03:30","startHours":26.099066724462133,"endHours":27.504539153575763,"quality":"auspicious"},{"name":"Kāla","start":"03:30","end":"04:55","startHours":27.504539153575763,"endHours":28.910011582689393,"quality":"inauspicious"},{"name":"Śubha","start":"04:55","end":"06:19","startHours":28.910011582689393,"endHours":30.31548401180302,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.315484011803018,"endHours":7.315484011803018,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.315484011803018,"endHours":8.315484011803019,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.315484011803019,"endHours":9.315484011803019,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.315484011803019,"endHours":10.315484011803019,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.315484011803019,"endHours":11.315484011803019,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.315484011803019,"endHours":12.315484011803019,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.315484011803019,"endHours":13.315484011803019,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.315484011803019,"endHours":14.315484011803019,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.315484011803019,"endHours":15.315484011803019,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.315484011803019,"endHours":16.31548401180302,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.31548401180302,"endHours":17.31548401180302,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.31548401180302,"endHours":18.31548401180302,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.31548401180302,"endHours":19.31548401180302,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.31548401180302,"endHours":20.31548401180302,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.31548401180302,"endHours":21.31548401180302,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.31548401180302,"endHours":22.31548401180302,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.31548401180302,"endHours":23.31548401180302,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.31548401180302,"endHours":24.31548401180302,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.31548401180302,"endHours":25.31548401180302,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.31548401180302,"endHours":26.31548401180302,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.31548401180302,"endHours":27.31548401180302,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.31548401180302,"endHours":28.31548401180302,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.31548401180302,"endHours":29.31548401180302,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.31548401180302,"endHours":30.31548401180302,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.392833213339543,"eotMinutes":-3.5280577209103767,"ayanamsa":22.4788}},"calendars":{"vikram_samvat":1958,"vikram_samvatsara":"Ānanda","saka_samvat":1823,"saka_samvatsara":"Plava","bengali_samvat":1308,"malayalam_era":1077,"nanakshahi_year":432,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturthī · Vikram 1958 Ānanda · Śaka 1823 Plava"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":"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 18, 1901 CE · Thane, Maharashtra · Vidhyamitra","description":"August 18, 1901 CE for Thane, Maharashtra: Śukla Caturthī, sūryodaya 06:19, sūryāsta 19:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1901-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1901-08-18","sa":"https://sa.vidhyamitra.com/city/thane/1901-08-18","hi":"https://hi.vidhyamitra.com/city/thane/1901-08-18","x-default":"https://vidhyamitra.com/city/thane/1901-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:14:15.132Z","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":"2026-05-31T23:14:15.132Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:14:15.132Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}