{"id":"vidhyamitra:city-day:thane:2170-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2170-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-02-04","date_display":"February 4, 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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513670.770833,"kali_year":5271,"ahargana":1925205.2708,"sun":{"sidereal_longitude":288.6699,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":141.8619,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":213.1921,"elapsed_within_tithi_degrees":9.1921},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":141.8619,"elapsed_within_degrees":8.5286},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.5318},"karana":{"half_tithi_index":35,"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":2170,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513670.770833,"ahargana":1925205.2708,"kali_year":5271,"ayanamsa_lahiri":26.2291,"grahas":{"sun":{"sidereal_longitude":289.0456489999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":145.36294900000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":4.4985},"mars":{"sidereal_longitude":149.88434900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":285.944349,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":138.92054900000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":304.24924899999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":297.669449,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":53.36,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":233.36,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513670.770833,"kali_year":5271,"ahargana":1925205.2708,"sun":{"sidereal_longitude":288.6699,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":141.8619,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":213.1921,"elapsed_within_tithi_degrees":9.1921},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":141.8619,"elapsed_within_degrees":8.5286},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.5318},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.498,"elongation":146.808},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.498,"opposition_distance":33.192}},"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":"07:12","sunsetLocal":"18:33","solarNoonLocal":"12:52","dayLengthHours":11.345322955052756,"dayLengthDisplay":"11 Hours 20 Mins 43 Secs","nightLengthDisplay":"12 Hours 39 Mins 17 Secs","moonriseLocal":"21:10","moonsetLocal":"09:25","rahuKala":{"name":"Rāhu Kāla","start":"17:07","end":"18:33","startHours":17.124151514278008,"endHours":18.542316883659602,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:52","end":"14:17","startHours":12.869655406133223,"endHours":14.287820775514819,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:42","end":"17:07","startHours":15.705986144896412,"endHours":17.124151514278008,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:13","startHours":9.84423595145249,"endHours":10.22241338328758,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:58","startHours":7.6697157184007105,"endHours":7.972257663868784,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:15","startHours":12.491477974298132,"endHours":13.247832837968314,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:26","startHours":5.684284201266478,"endHours":6.440639064936661,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:12","startHours":6.251550349019116,"endHours":7.196993928606846,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:31","startHours":14.760542565308683,"endHours":15.516897428978867,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.342316883659603,"endHours":18.7423168836596,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:01","startHours":18.542316883659602,"endHours":19.015038673453468,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.292316883659602,"endHours":20.042316883659602,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:15","startHours":24.49147797429813,"endHours":25.247832837968314,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:12","end":"08:37","startHours":7.196993928606846,"endHours":8.61515929798844,"quality":"inauspicious"},{"name":"Chala","start":"08:37","end":"10:02","startHours":8.61515929798844,"endHours":10.033324667370035,"quality":"neutral"},{"name":"Labha","start":"10:02","end":"11:27","startHours":10.033324667370035,"endHours":11.451490036751629,"quality":"auspicious"},{"name":"Amṛta","start":"11:27","end":"12:52","startHours":11.451490036751629,"endHours":12.869655406133223,"quality":"auspicious"},{"name":"Kāla","start":"12:52","end":"14:17","startHours":12.869655406133223,"endHours":14.287820775514819,"quality":"inauspicious"},{"name":"Śubha","start":"14:17","end":"15:42","startHours":14.287820775514819,"endHours":15.705986144896412,"quality":"auspicious"},{"name":"Roga","start":"15:42","end":"17:07","startHours":15.705986144896412,"endHours":17.124151514278008,"quality":"inauspicious"},{"name":"Udveg","start":"17:07","end":"18:33","startHours":17.124151514278008,"endHours":18.542316883659602,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:33","end":"20:07","startHours":18.542316883659602,"endHours":20.124151514278008,"quality":"auspicious"},{"name":"Roga","start":"20:07","end":"21:42","startHours":20.124151514278008,"endHours":21.705986144896414,"quality":"inauspicious"},{"name":"Udveg","start":"21:42","end":"23:17","startHours":21.705986144896414,"endHours":23.287820775514817,"quality":"inauspicious"},{"name":"Chala","start":"23:17","end":"00:52","startHours":23.287820775514817,"endHours":24.869655406133223,"quality":"neutral"},{"name":"Labha","start":"00:52","end":"02:27","startHours":24.869655406133223,"endHours":26.45149003675163,"quality":"auspicious"},{"name":"Amṛta","start":"02:27","end":"04:02","startHours":26.45149003675163,"endHours":28.033324667370035,"quality":"auspicious"},{"name":"Kāla","start":"04:02","end":"05:37","startHours":28.033324667370035,"endHours":29.61515929798844,"quality":"inauspicious"},{"name":"Śubha","start":"05:37","end":"07:12","startHours":29.61515929798844,"endHours":31.196993928606844,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.196993928606846,"endHours":8.196993928606846,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.196993928606846,"endHours":9.196993928606846,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.196993928606846,"endHours":10.196993928606846,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.196993928606846,"endHours":11.196993928606846,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.196993928606846,"endHours":12.196993928606846,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.196993928606846,"endHours":13.196993928606846,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.196993928606846,"endHours":14.196993928606846,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.196993928606846,"endHours":15.196993928606846,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.196993928606846,"endHours":16.196993928606844,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.196993928606844,"endHours":17.196993928606844,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.196993928606844,"endHours":18.196993928606844,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.196993928606844,"endHours":19.196993928606844,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.196993928606844,"endHours":20.196993928606844,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.196993928606844,"endHours":21.196993928606844,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.196993928606844,"endHours":22.196993928606844,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.196993928606844,"endHours":23.196993928606844,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.196993928606844,"endHours":24.196993928606844,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.196993928606844,"endHours":25.196993928606844,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.196993928606844,"endHours":26.196993928606844,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.196993928606844,"endHours":27.196993928606844,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.196993928606844,"endHours":28.196993928606844,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.196993928606844,"endHours":29.196993928606844,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.196993928606844,"endHours":30.196993928606844,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.196993928606844,"endHours":31.196993928606844,"planetary_lord":"Jupiter"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","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":-16.253488819170634,"eotMinutes":-14.091724367993354,"ayanamsa":26.2291}},"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 Tṛtīyā · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"festivals":[],"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 February 4, 2170 CE · Thane, Maharashtra · Vidhyamitra","description":"February 4, 2170 CE for Thane, Maharashtra: Kṛṣṇa Tṛtīyā, sūryodaya 07:12, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2170-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2170-02-04","sa":"https://sa.vidhyamitra.com/city/thane/2170-02-04","hi":"https://hi.vidhyamitra.com/city/thane/2170-02-04","x-default":"https://vidhyamitra.com/city/thane/2170-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:37:53.897Z","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":"2026-05-31T18:37:53.897Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:37:53.897Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}