{"id":"vidhyamitra:city-day:thane:1916-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1916-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1916-08-13","date_display":"August 13, 1916 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":1916,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421088.770833,"kali_year":5018,"ahargana":1832623.2708,"sun":{"sidereal_longitude":116.8422,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":291.6123,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.7701,"elapsed_within_tithi_degrees":6.7701},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.6123,"elapsed_within_degrees":11.6123},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.4545},"karana":{"half_tithi_index":29,"name":"Bava"},"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":1916,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421088.770833,"ahargana":1832623.2708,"kali_year":5018,"ayanamsa_lahiri":22.6882,"grahas":{"sun":{"sidereal_longitude":117.24816199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":290.811462,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":0.9969},"mars":{"sidereal_longitude":171.21166199999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":133.53176199999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":13.105862000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":77.302862,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":91.93516199999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":278.7999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":98.7999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1916,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421088.770833,"kali_year":5018,"ahargana":1832623.2708,"sun":{"sidereal_longitude":116.8422,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":291.6123,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.7701,"elapsed_within_tithi_degrees":6.7701},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4,"moon_longitude":291.6123,"elapsed_within_degrees":11.6123},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.4545},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.997,"elongation":174.77},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.997,"opposition_distance":5.23}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":-0.318,"elongation":0.097}]},"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":"06:18","sunsetLocal":"19:08","solarNoonLocal":"12:43","dayLengthHours":12.828529473356916,"dayLengthDisplay":"12 Hours 49 Mins 43 Secs","nightLengthDisplay":"11 Hours 10 Mins 17 Secs","moonriseLocal":"18:38","moonsetLocal":"05:55","rahuKala":{"name":"Rāhu Kāla","start":"17:31","end":"19:08","startHours":17.521517231479102,"endHours":19.125083415648717,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:43","end":"14:19","startHours":12.71081867897026,"endHours":14.314384863139875,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:55","end":"17:31","startHours":15.917951047309487,"endHours":17.521517231479102,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:43","startHours":9.289877486075081,"endHours":9.717495135186978,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:10","startHours":6.831076003681672,"endHours":7.17317012297119,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"13:08","startHours":12.283201029858363,"endHours":13.138436328082156,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:35","end":"05:26","startHours":4.586083345844211,"endHours":5.441318644068006,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:18","startHours":5.227509819512058,"endHours":6.2965539422918,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:51","end":"15:42","startHours":14.848906924529743,"endHours":15.704142222753537,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.925083415648718,"endHours":19.325083415648717,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:40","startHours":19.125083415648717,"endHours":19.65960547703859,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.875083415648717,"endHours":20.625083415648717,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"01:08","startHours":24.28320102985836,"endHours":25.138436328082157,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:18","end":"07:54","startHours":6.2965539422918,"endHours":7.900120126461415,"quality":"inauspicious"},{"name":"Chala","start":"07:54","end":"09:30","startHours":7.900120126461415,"endHours":9.503686310631029,"quality":"neutral"},{"name":"Labha","start":"09:30","end":"11:06","startHours":9.503686310631029,"endHours":11.107252494800644,"quality":"auspicious"},{"name":"Amṛta","start":"11:06","end":"12:43","startHours":11.107252494800644,"endHours":12.71081867897026,"quality":"auspicious"},{"name":"Kāla","start":"12:43","end":"14:19","startHours":12.71081867897026,"endHours":14.314384863139875,"quality":"inauspicious"},{"name":"Śubha","start":"14:19","end":"15:55","startHours":14.314384863139875,"endHours":15.917951047309487,"quality":"auspicious"},{"name":"Roga","start":"15:55","end":"17:31","startHours":15.917951047309487,"endHours":17.521517231479102,"quality":"inauspicious"},{"name":"Udveg","start":"17:31","end":"19:08","startHours":17.521517231479102,"endHours":19.125083415648717,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:08","end":"20:31","startHours":19.125083415648717,"endHours":20.521517231479102,"quality":"auspicious"},{"name":"Roga","start":"20:31","end":"21:55","startHours":20.521517231479102,"endHours":21.917951047309487,"quality":"inauspicious"},{"name":"Udveg","start":"21:55","end":"23:19","startHours":21.917951047309487,"endHours":23.314384863139875,"quality":"inauspicious"},{"name":"Chala","start":"23:19","end":"00:43","startHours":23.314384863139875,"endHours":24.71081867897026,"quality":"neutral"},{"name":"Labha","start":"00:43","end":"02:06","startHours":24.71081867897026,"endHours":26.107252494800644,"quality":"auspicious"},{"name":"Amṛta","start":"02:06","end":"03:30","startHours":26.107252494800644,"endHours":27.503686310631032,"quality":"auspicious"},{"name":"Kāla","start":"03:30","end":"04:54","startHours":27.503686310631032,"endHours":28.900120126461417,"quality":"inauspicious"},{"name":"Śubha","start":"04:54","end":"06:18","startHours":28.900120126461417,"endHours":30.2965539422918,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.2965539422918,"endHours":7.2965539422918,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.2965539422918,"endHours":8.296553942291801,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.296553942291801,"endHours":9.296553942291801,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.296553942291801,"endHours":10.296553942291801,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.296553942291801,"endHours":11.296553942291801,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.296553942291801,"endHours":12.296553942291801,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.296553942291801,"endHours":13.296553942291801,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.296553942291801,"endHours":14.296553942291801,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.296553942291801,"endHours":15.296553942291801,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.296553942291801,"endHours":16.2965539422918,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.2965539422918,"endHours":17.2965539422918,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.2965539422918,"endHours":18.2965539422918,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.2965539422918,"endHours":19.2965539422918,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.2965539422918,"endHours":20.2965539422918,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.2965539422918,"endHours":21.2965539422918,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.2965539422918,"endHours":22.2965539422918,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.2965539422918,"endHours":23.2965539422918,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.2965539422918,"endHours":24.2965539422918,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.2965539422918,"endHours":25.2965539422918,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.2965539422918,"endHours":26.2965539422918,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.2965539422918,"endHours":27.2965539422918,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.2965539422918,"endHours":28.2965539422918,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.2965539422918,"endHours":29.2965539422918,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.2965539422918,"endHours":30.2965539422918,"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.832595835887863,"eotMinutes":-4.561520738215509,"ayanamsa":22.6882}},"calendars":{"vikram_samvat":1973,"vikram_samvatsara":"Śukla","saka_samvat":1838,"saka_samvatsara":"Nala","bengali_samvat":1323,"malayalam_era":1092,"nanakshahi_year":447,"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":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pūrṇimā · Vikram 1973 Śukla · Śaka 1838 Nala"},"festivals":[{"id":"raksha-bandhana","name":"Rakṣā Bandhana / Śrāvaṇa Pūrṇimā","name_sanskrit":"रक्षा बन्धन","tradition":"Pan-Hindu","significance":"Sister-brother bond; Brāhmaṇa Upākarma.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":1},{"id":"jhulan-purnima","name":"Jhūlan Pūrṇimā (Rādhā-Krishna swing)","name_sanskrit":"झूलन पूर्णिमा","tradition":"Vaishnava","associated_deity":"Rādhā-Krishna","significance":"Rādhā-Krishna swing-līlā festival; Jhūlan-yātrā culmination.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-rigveda","name":"Ṛg-Veda Upākarman","name_sanskrit":"ऋग्वेद उपाकर्मन्","tradition":"Smarta","associated_deity":"Ṛṣi-paramparā","significance":"Annual renewal of Veda-svādhyāya for Ṛg-Vedīs. Śrāvaṇa Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-yajurveda","name":"Yajur-Veda Upākarman","name_sanskrit":"यजुर्वेद उपाकर्मन्","tradition":"Smarta","significance":"Annual renewal of Veda-svādhyāya for Yajur-Vedīs.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"hayagriva-jayanti","name":"Hayagrīva Jayantī","name_sanskrit":"हयग्रीव जयन्ती","tradition":"Vaishnava","associated_deity":"Hayagrīva (Knowledge-form of Bhagavān)","significance":"Bhagavān as Hayagrīva restored the Vedas to Brahmā. Vidyā-pradāyaka.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Devī-Bhāgavata, Hayagrīva-stotra"]}],"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":[{"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 August 13, 1916 CE · Thane, Maharashtra · Vidhyamitra","description":"August 13, 1916 CE for Thane, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:18, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1916-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1916-08-13","sa":"https://sa.vidhyamitra.com/city/thane/1916-08-13","hi":"https://hi.vidhyamitra.com/city/thane/1916-08-13","x-default":"https://vidhyamitra.com/city/thane/1916-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:11:27.025Z","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":"2026-06-02T03:11:27.025Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:11:27.025Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}