{"id":"vidhyamitra:city-day:thane:2139-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2139-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2139-02-13","date_display":"February 13, 2139 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":2139,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502356.770833,"kali_year":5240,"ahargana":1913891.2708,"sun":{"sidereal_longitude":297.8679,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":108.7192,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.8513,"elapsed_within_tithi_degrees":2.8513},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.7192,"elapsed_within_degrees":2.0525},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":46.587},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2139,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502356.770833,"ahargana":1913891.2708,"kali_year":5240,"ayanamsa_lahiri":25.7964,"grahas":{"sun":{"sidereal_longitude":298.11582699999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":108.21292700000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":0.3223},"mars":{"sidereal_longitude":308.814427,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":303.6608269999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":270.060027,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":259.045027,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":283.171327,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":292.8302,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.8302,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2139,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502356.770833,"kali_year":5240,"ahargana":1913891.2708,"sun":{"sidereal_longitude":297.8679,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":108.7192,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.8513,"elapsed_within_tithi_degrees":2.8513},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.7192,"elapsed_within_degrees":2.0525},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":46.587},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.322,"elongation":170.851},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.322,"opposition_distance":9.149}},"eclipse_window_40days":[{"offset_days":1,"type":"lunar","occurs":true,"moon_latitude":-0.678,"opposition_distance":2.561}]},"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":"07:08","sunsetLocal":"18:37","solarNoonLocal":"12:53","dayLengthHours":11.478832936695575,"dayLengthDisplay":"11 Hours 28 Mins 44 Secs","nightLengthDisplay":"12 Hours 31 Mins 16 Secs","moonriseLocal":"17:47","moonsetLocal":"06:40","rahuKala":{"name":"Rāhu Kāla","start":"11:27","end":"12:53","startHours":11.443264637256757,"endHours":12.878118754343703,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:45","end":"17:11","startHours":15.747826988517597,"endHours":17.182681105604544,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:34","end":"10:01","startHours":8.573556403082861,"endHours":10.008410520169809,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:49","end":"10:12","startHours":9.817096637891549,"endHours":10.19972440244807,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:55","startHours":7.616986991691564,"endHours":7.9230892033367795,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:30","end":"13:16","startHours":12.495490989787184,"endHours":13.260746518900222,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:22","startHours":5.608191227769838,"endHours":6.373446756882877,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:08","startHours":6.182132874604617,"endHours":7.138702285995915,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:33","startHours":14.791257577126299,"endHours":15.556513106239336,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.41753522269149,"endHours":18.81753522269149,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:06","startHours":18.61753522269149,"endHours":19.09581992838714,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.36753522269149,"endHours":20.11753522269149,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:30","end":"01:16","startHours":24.495490989787182,"endHours":25.260746518900223,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:08","end":"08:34","startHours":7.138702285995915,"endHours":8.573556403082861,"quality":"neutral"},{"name":"Labha","start":"08:34","end":"10:01","startHours":8.573556403082861,"endHours":10.008410520169809,"quality":"auspicious"},{"name":"Amṛta","start":"10:01","end":"11:27","startHours":10.008410520169809,"endHours":11.443264637256757,"quality":"auspicious"},{"name":"Kāla","start":"11:27","end":"12:53","startHours":11.443264637256757,"endHours":12.878118754343703,"quality":"inauspicious"},{"name":"Śubha","start":"12:53","end":"14:19","startHours":12.878118754343703,"endHours":14.312972871430649,"quality":"auspicious"},{"name":"Roga","start":"14:19","end":"15:45","startHours":14.312972871430649,"endHours":15.747826988517597,"quality":"inauspicious"},{"name":"Udveg","start":"15:45","end":"17:11","startHours":15.747826988517597,"endHours":17.182681105604544,"quality":"inauspicious"},{"name":"Chala","start":"17:11","end":"18:37","startHours":17.182681105604544,"endHours":18.61753522269149,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:37","end":"20:11","startHours":18.61753522269149,"endHours":20.182681105604544,"quality":"inauspicious"},{"name":"Udveg","start":"20:11","end":"21:45","startHours":20.182681105604544,"endHours":21.747826988517595,"quality":"inauspicious"},{"name":"Chala","start":"21:45","end":"23:19","startHours":21.747826988517595,"endHours":23.31297287143065,"quality":"neutral"},{"name":"Labha","start":"23:19","end":"00:53","startHours":23.31297287143065,"endHours":24.878118754343703,"quality":"auspicious"},{"name":"Amṛta","start":"00:53","end":"02:27","startHours":24.878118754343703,"endHours":26.443264637256757,"quality":"auspicious"},{"name":"Kāla","start":"02:27","end":"04:01","startHours":26.443264637256757,"endHours":28.00841052016981,"quality":"inauspicious"},{"name":"Śubha","start":"04:01","end":"05:34","startHours":28.00841052016981,"endHours":29.57355640308286,"quality":"auspicious"},{"name":"Roga","start":"05:34","end":"07:08","startHours":29.57355640308286,"endHours":31.138702285995915,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.138702285995915,"endHours":8.138702285995915,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.138702285995915,"endHours":9.138702285995915,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.138702285995915,"endHours":10.138702285995915,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.138702285995915,"endHours":11.138702285995915,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.138702285995915,"endHours":12.138702285995915,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.138702285995915,"endHours":13.138702285995915,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.138702285995915,"endHours":14.138702285995915,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.138702285995915,"endHours":15.138702285995915,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.138702285995915,"endHours":16.138702285995915,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.138702285995915,"endHours":17.138702285995915,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.138702285995915,"endHours":18.138702285995915,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.138702285995915,"endHours":19.138702285995915,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.138702285995915,"endHours":20.138702285995915,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.138702285995915,"endHours":21.138702285995915,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.138702285995915,"endHours":22.138702285995915,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.138702285995915,"endHours":23.138702285995915,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.138702285995915,"endHours":24.138702285995915,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.138702285995915,"endHours":25.138702285995915,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.138702285995915,"endHours":26.138702285995915,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.138702285995915,"endHours":27.138702285995915,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.138702285995915,"endHours":28.138702285995915,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.138702285995915,"endHours":29.138702285995915,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.138702285995915,"endHours":30.138702285995915,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.138702285995915,"endHours":31.138702285995915,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.548827455295068,"eotMinutes":-14.599525260622107,"ayanamsa":25.7964}},"calendars":{"vikram_samvat":2196,"vikram_samvatsara":"Paridhāvi","saka_samvat":2061,"saka_samvatsara":"Vikāri","bengali_samvat":1546,"malayalam_era":1315,"nanakshahi_year":670,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pūrṇimā · Vikram 2196 Paridhāvi · Śaka 2061 Vikāri"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 February 13, 2139 CE · Thane, Maharashtra · Vidhyamitra","description":"February 13, 2139 CE for Thane, Maharashtra: Śukla Pūrṇimā, sūryodaya 07:08, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2139-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2139-02-13","sa":"https://sa.vidhyamitra.com/city/thane/2139-02-13","hi":"https://hi.vidhyamitra.com/city/thane/2139-02-13","x-default":"https://vidhyamitra.com/city/thane/2139-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T20:37:07.369Z","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":"2026-05-25T20:37:07.369Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T20:37:07.369Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}