{"id":"vidhyamitra:city-day:thane:2157-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2157-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2157-02-18","date_display":"February 18, 2157 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":2157,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508936.770833,"kali_year":5258,"ahargana":1920471.2708,"sun":{"sidereal_longitude":303.2959,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":49.7788,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":106.4829,"elapsed_within_tithi_degrees":10.4829},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.7788,"elapsed_within_degrees":9.7788},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.0747},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":2157,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508936.770833,"ahargana":1920471.2708,"kali_year":5258,"ayanamsa_lahiri":26.048,"grahas":{"sun":{"sidereal_longitude":303.558323,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":52.653723000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":4.3341},"mars":{"sidereal_longitude":194.00732300000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":313.79672299999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":97.36792300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"venus":{"sidereal_longitude":302.659723,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":154.88602300000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":304.1901,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":124.1901,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2157,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508936.770833,"kali_year":5258,"ahargana":1920471.2708,"sun":{"sidereal_longitude":303.2959,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":49.7788,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":106.4829,"elapsed_within_tithi_degrees":10.4829},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.7788,"elapsed_within_degrees":9.7788},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.0747},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.334,"elongation":106.483},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.334,"opposition_distance":73.517}},"eclipse_window_40days":[{"offset_days":-8,"type":"solar","occurs":true,"moon_latitude":-0.652,"elongation":1.108},{"offset_days":6,"type":"lunar","occurs":true,"moon_latitude":-0.338,"opposition_distance":1.188}]},"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":"07:05","sunsetLocal":"18:40","solarNoonLocal":"12:53","dayLengthHours":11.572775471903096,"dayLengthDisplay":"11 Hours 34 Mins 22 Secs","nightLengthDisplay":"12 Hours 25 Mins 38 Secs","moonriseLocal":"13:32","moonsetLocal":"02:46","rahuKala":{"name":"Rāhu Kāla","start":"11:26","end":"12:53","startHours":11.428777669552119,"endHours":12.875374603540006,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:46","end":"17:13","startHours":15.768568471515778,"endHours":17.215165405503665,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:32","end":"09:59","startHours":8.535583801576344,"endHours":9.982180735564231,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:47","end":"10:11","startHours":9.789301144365847,"endHours":10.175060326762615,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:53","startHours":7.57118584558442,"endHours":7.879793191501836,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:16","startHours":12.489615421143235,"endHours":13.261133785936774,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:19","startHours":5.545950138001378,"endHours":6.317468502794918,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:05","startHours":6.124588911596533,"endHours":7.088986867588457,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:35","startHours":14.804170515523854,"endHours":15.575688880317394,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.461762339491553,"endHours":18.861762339491552,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:09","startHours":18.661762339491553,"endHours":19.143961317487516,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.411762339491553,"endHours":20.161762339491553,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:16","startHours":24.489615421143235,"endHours":25.26113378593677,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:05","end":"08:32","startHours":7.088986867588457,"endHours":8.535583801576344,"quality":"neutral"},{"name":"Labha","start":"08:32","end":"09:59","startHours":8.535583801576344,"endHours":9.982180735564231,"quality":"auspicious"},{"name":"Amṛta","start":"09:59","end":"11:26","startHours":9.982180735564231,"endHours":11.428777669552119,"quality":"auspicious"},{"name":"Kāla","start":"11:26","end":"12:53","startHours":11.428777669552119,"endHours":12.875374603540006,"quality":"inauspicious"},{"name":"Śubha","start":"12:53","end":"14:19","startHours":12.875374603540006,"endHours":14.321971537527894,"quality":"auspicious"},{"name":"Roga","start":"14:19","end":"15:46","startHours":14.321971537527894,"endHours":15.768568471515778,"quality":"inauspicious"},{"name":"Udveg","start":"15:46","end":"17:13","startHours":15.768568471515778,"endHours":17.215165405503665,"quality":"inauspicious"},{"name":"Chala","start":"17:13","end":"18:40","startHours":17.215165405503665,"endHours":18.661762339491553,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:40","end":"20:13","startHours":18.661762339491553,"endHours":20.215165405503665,"quality":"inauspicious"},{"name":"Udveg","start":"20:13","end":"21:46","startHours":20.215165405503665,"endHours":21.768568471515778,"quality":"inauspicious"},{"name":"Chala","start":"21:46","end":"23:19","startHours":21.768568471515778,"endHours":23.321971537527894,"quality":"neutral"},{"name":"Labha","start":"23:19","end":"00:53","startHours":23.321971537527894,"endHours":24.875374603540003,"quality":"auspicious"},{"name":"Amṛta","start":"00:53","end":"02:26","startHours":24.875374603540003,"endHours":26.42877766955212,"quality":"auspicious"},{"name":"Kāla","start":"02:26","end":"03:59","startHours":26.42877766955212,"endHours":27.98218073556423,"quality":"inauspicious"},{"name":"Śubha","start":"03:59","end":"05:32","startHours":27.98218073556423,"endHours":29.535583801576344,"quality":"auspicious"},{"name":"Roga","start":"05:32","end":"07:05","startHours":29.535583801576344,"endHours":31.088986867588456,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.088986867588457,"endHours":8.088986867588456,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.088986867588456,"endHours":9.088986867588456,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.088986867588456,"endHours":10.088986867588456,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.088986867588456,"endHours":11.088986867588456,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.088986867588456,"endHours":12.088986867588456,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.088986867588456,"endHours":13.088986867588456,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.088986867588456,"endHours":14.088986867588456,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.088986867588456,"endHours":15.088986867588456,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.088986867588456,"endHours":16.088986867588456,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.088986867588456,"endHours":17.088986867588456,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.088986867588456,"endHours":18.088986867588456,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.088986867588456,"endHours":19.088986867588456,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.088986867588456,"endHours":20.088986867588456,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.088986867588456,"endHours":21.088986867588456,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.088986867588456,"endHours":22.088986867588456,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.088986867588456,"endHours":23.088986867588456,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.088986867588456,"endHours":24.088986867588456,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.088986867588456,"endHours":25.088986867588456,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.088986867588456,"endHours":26.088986867588456,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.088986867588456,"endHours":27.088986867588456,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.088986867588456,"endHours":28.088986867588456,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.088986867588456,"endHours":29.088986867588456,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.088986867588456,"endHours":30.088986867588456,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.088986867588456,"endHours":31.088986867588456,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.608789733934396,"eotMinutes":-14.434876212400278,"ayanamsa":26.048}},"calendars":{"vikram_samvat":2214,"vikram_samvatsara":"Pramoda","saka_samvat":2079,"saka_samvatsara":"Piṅgala","bengali_samvat":1564,"malayalam_era":1333,"nanakshahi_year":688,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Navamī · Vikram 2214 Pramoda · Śaka 2079 Piṅgala"},"festivals":[],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 18, 2157 CE · Thane, Maharashtra · Vidhyamitra","description":"February 18, 2157 CE for Thane, Maharashtra: Śukla Navamī, sūryodaya 07:05, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2157-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2157-02-18","sa":"https://sa.vidhyamitra.com/city/thane/2157-02-18","hi":"https://hi.vidhyamitra.com/city/thane/2157-02-18","x-default":"https://vidhyamitra.com/city/thane/2157-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:50:09.146Z","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":"2026-06-01T02:50:09.146Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:50:09.146Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}