{"id":"vidhyamitra:city-day:thane:2170-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2170-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-02-13","date_display":"February 13, 2170 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":2170,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513679.770833,"kali_year":5271,"ahargana":1925214.2708,"sun":{"sidereal_longitude":297.846,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":265.1248,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.2788,"elapsed_within_tithi_degrees":3.2788},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.1248,"elapsed_within_degrees":11.7915},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.9708},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2170,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513679.770833,"ahargana":1925214.2708,"kali_year":5271,"ayanamsa_lahiri":26.2294,"grahas":{"sun":{"sidereal_longitude":298.166105,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":266.06400499999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":-2.3989},"mars":{"sidereal_longitude":148.671805,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":301.86650499999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":137.98760500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":315.471805,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":298.752305,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":52.8832,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":232.8832,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2170,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513679.770833,"kali_year":5271,"ahargana":1925214.2708,"sun":{"sidereal_longitude":297.846,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":265.1248,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.2788,"elapsed_within_tithi_degrees":3.2788},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.1248,"elapsed_within_degrees":11.7915},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.9708},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.399,"elongation":32.721},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.399,"opposition_distance":147.279}},"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":"07:08","sunsetLocal":"18:37","solarNoonLocal":"12:53","dayLengthHours":11.486643642235906,"dayLengthDisplay":"11 Hours 29 Mins 12 Secs","nightLengthDisplay":"12 Hours 30 Mins 48 Secs","moonriseLocal":"05:13","moonsetLocal":"16:15","rahuKala":{"name":"Rāhu Kāla","start":"15:45","end":"17:11","startHours":15.749779664902679,"endHours":17.18561012018217,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:00","end":"11:27","startHours":10.006457843784725,"endHours":11.442288299064213,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:53","end":"14:19","startHours":12.878118754343703,"endHours":14.313949209623189,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:49","end":"10:12","startHours":9.815013783080794,"endHours":10.197901904488656,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:55","startHours":7.613407084985578,"endHours":7.919717582111869,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:30","end":"13:16","startHours":12.49523063293584,"endHours":13.261006875751566,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:22","startHours":5.603244447594294,"endHours":6.3690206904100215,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:08","startHours":6.17757662970609,"endHours":7.134796933225749,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:34","startHours":14.79255936138302,"endHours":15.558335604198748,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.421440575461656,"endHours":18.821440575461654,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:06","startHours":18.621440575461655,"endHours":19.100050727221486,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.371440575461655,"endHours":20.121440575461655,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:30","end":"01:16","startHours":24.49523063293584,"endHours":25.261006875751566,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:08","end":"08:34","startHours":7.134796933225749,"endHours":8.570627388505237,"quality":"inauspicious"},{"name":"Udveg","start":"08:34","end":"10:00","startHours":8.570627388505237,"endHours":10.006457843784725,"quality":"inauspicious"},{"name":"Chala","start":"10:00","end":"11:27","startHours":10.006457843784725,"endHours":11.442288299064213,"quality":"neutral"},{"name":"Labha","start":"11:27","end":"12:53","startHours":11.442288299064213,"endHours":12.878118754343703,"quality":"auspicious"},{"name":"Amṛta","start":"12:53","end":"14:19","startHours":12.878118754343703,"endHours":14.313949209623189,"quality":"auspicious"},{"name":"Kāla","start":"14:19","end":"15:45","startHours":14.313949209623189,"endHours":15.749779664902679,"quality":"inauspicious"},{"name":"Śubha","start":"15:45","end":"17:11","startHours":15.749779664902679,"endHours":17.18561012018217,"quality":"auspicious"},{"name":"Roga","start":"17:11","end":"18:37","startHours":17.18561012018217,"endHours":18.621440575461655,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:37","end":"20:11","startHours":18.621440575461655,"endHours":20.185610120182165,"quality":"inauspicious"},{"name":"Śubha","start":"20:11","end":"21:45","startHours":20.185610120182165,"endHours":21.74977966490268,"quality":"auspicious"},{"name":"Roga","start":"21:45","end":"23:19","startHours":21.74977966490268,"endHours":23.31394920962319,"quality":"inauspicious"},{"name":"Udveg","start":"23:19","end":"00:53","startHours":23.31394920962319,"endHours":24.878118754343703,"quality":"inauspicious"},{"name":"Chala","start":"00:53","end":"02:27","startHours":24.878118754343703,"endHours":26.442288299064213,"quality":"neutral"},{"name":"Labha","start":"02:27","end":"04:00","startHours":26.442288299064213,"endHours":28.006457843784723,"quality":"auspicious"},{"name":"Amṛta","start":"04:00","end":"05:34","startHours":28.006457843784723,"endHours":29.570627388505237,"quality":"auspicious"},{"name":"Kāla","start":"05:34","end":"07:08","startHours":29.570627388505237,"endHours":31.13479693322575,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.134796933225749,"endHours":8.134796933225749,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.134796933225749,"endHours":9.134796933225749,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.134796933225749,"endHours":10.134796933225749,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.134796933225749,"endHours":11.134796933225749,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.134796933225749,"endHours":12.134796933225749,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.134796933225749,"endHours":13.134796933225749,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.134796933225749,"endHours":14.134796933225749,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.134796933225749,"endHours":15.134796933225749,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.134796933225749,"endHours":16.13479693322575,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.13479693322575,"endHours":17.13479693322575,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.13479693322575,"endHours":18.13479693322575,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.13479693322575,"endHours":19.13479693322575,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.13479693322575,"endHours":20.13479693322575,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.13479693322575,"endHours":21.13479693322575,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.13479693322575,"endHours":22.13479693322575,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.13479693322575,"endHours":23.13479693322575,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.13479693322575,"endHours":24.13479693322575,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.13479693322575,"endHours":25.13479693322575,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.13479693322575,"endHours":26.13479693322575,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.13479693322575,"endHours":27.13479693322575,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.13479693322575,"endHours":28.13479693322575,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.13479693322575,"endHours":29.13479693322575,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.13479693322575,"endHours":30.13479693322575,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.13479693322575,"endHours":31.13479693322575,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.388613199002501,"eotMinutes":-14.599525260622107,"ayanamsa":26.2294}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Trayodaśī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 February 13, 2170 CE · Thane, Maharashtra · Vidhyamitra","description":"February 13, 2170 CE for Thane, Maharashtra: Kṛṣṇa Trayodaśī, sūryodaya 07:08, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2170-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2170-02-13","sa":"https://sa.vidhyamitra.com/city/thane/2170-02-13","hi":"https://hi.vidhyamitra.com/city/thane/2170-02-13","x-default":"https://vidhyamitra.com/city/thane/2170-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:32:59.749Z","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":"2026-05-31T06:32:59.749Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:32:59.749Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}