{"id":"vidhyamitra:city-day:thane:2174-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2174-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2174-01-21","date_display":"January 21, 2174 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":2174,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515117.770833,"kali_year":5275,"ahargana":1926652.2708,"sun":{"sidereal_longitude":274.2973,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":130.4142,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.1169,"elapsed_within_tithi_degrees":0.1169},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.4142,"elapsed_within_degrees":10.4142},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":44.7115},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2174,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515117.770833,"ahargana":1926652.2708,"kali_year":5275,"ayanamsa_lahiri":26.2844,"grahas":{"sun":{"sidereal_longitude":274.78766300000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":127.630563,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":1.9905},"mars":{"sidereal_longitude":193.859463,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":255.72656299999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":249.23836299999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":226.11686299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":340.712763,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":336.691,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":156.691,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"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":2174,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515117.770833,"kali_year":5275,"ahargana":1926652.2708,"sun":{"sidereal_longitude":274.2973,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":130.4142,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.1169,"elapsed_within_tithi_degrees":0.1169},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.4142,"elapsed_within_degrees":10.4142},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":44.7115},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.991,"elongation":143.883},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.991,"opposition_distance":36.117}},"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":"07:15","sunsetLocal":"18:24","solarNoonLocal":"12:49","dayLengthHours":11.158466022269486,"dayLengthDisplay":"11 Hours 09 Mins 30 Secs","nightLengthDisplay":"12 Hours 50 Mins 30 Secs","moonriseLocal":"20:44","moonsetLocal":"09:17","rahuKala":{"name":"Rāhu Kāla","start":"11:26","end":"12:49","startHours":11.427580601368515,"endHours":12.822388854152202,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:37","end":"17:00","startHours":15.612005359719571,"endHours":17.006813612503258,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:38","end":"10:02","startHours":8.637964095801143,"endHours":10.032772348584828,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:13","startHours":9.846797914880337,"endHours":10.21874678228932,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"08:00","startHours":7.708091927278686,"endHours":8.005651021205873,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:27","end":"13:12","startHours":12.450439986743218,"endHours":13.194337721561185,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:30","startHours":5.755360373381526,"endHours":6.499258108199491,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:15","startHours":6.3132836744950005,"endHours":7.243155843017457,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:26","startHours":14.682133191197114,"endHours":15.426030926015079,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.201621865286945,"endHours":18.601621865286944,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:52","startHours":18.401621865286945,"endHours":18.866557949548174,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.151621865286945,"endHours":19.901621865286945,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:27","end":"01:12","startHours":24.45043998674322,"endHours":25.194337721561183,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:15","end":"08:38","startHours":7.243155843017457,"endHours":8.637964095801143,"quality":"neutral"},{"name":"Labha","start":"08:38","end":"10:02","startHours":8.637964095801143,"endHours":10.032772348584828,"quality":"auspicious"},{"name":"Amṛta","start":"10:02","end":"11:26","startHours":10.032772348584828,"endHours":11.427580601368515,"quality":"auspicious"},{"name":"Kāla","start":"11:26","end":"12:49","startHours":11.427580601368515,"endHours":12.822388854152202,"quality":"inauspicious"},{"name":"Śubha","start":"12:49","end":"14:13","startHours":12.822388854152202,"endHours":14.217197106935886,"quality":"auspicious"},{"name":"Roga","start":"14:13","end":"15:37","startHours":14.217197106935886,"endHours":15.612005359719571,"quality":"inauspicious"},{"name":"Udveg","start":"15:37","end":"17:00","startHours":15.612005359719571,"endHours":17.006813612503258,"quality":"inauspicious"},{"name":"Chala","start":"17:00","end":"18:24","startHours":17.006813612503258,"endHours":18.401621865286945,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:24","end":"20:00","startHours":18.401621865286945,"endHours":20.006813612503258,"quality":"inauspicious"},{"name":"Udveg","start":"20:00","end":"21:37","startHours":20.006813612503258,"endHours":21.612005359719575,"quality":"inauspicious"},{"name":"Chala","start":"21:37","end":"23:13","startHours":21.612005359719575,"endHours":23.21719710693589,"quality":"neutral"},{"name":"Labha","start":"23:13","end":"00:49","startHours":23.21719710693589,"endHours":24.8223888541522,"quality":"auspicious"},{"name":"Amṛta","start":"00:49","end":"02:26","startHours":24.8223888541522,"endHours":26.427580601368515,"quality":"auspicious"},{"name":"Kāla","start":"02:26","end":"04:02","startHours":26.427580601368515,"endHours":28.032772348584828,"quality":"inauspicious"},{"name":"Śubha","start":"04:02","end":"05:38","startHours":28.032772348584828,"endHours":29.637964095801145,"quality":"auspicious"},{"name":"Roga","start":"05:38","end":"07:15","startHours":29.637964095801145,"endHours":31.24315584301746,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.243155843017457,"endHours":8.243155843017458,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.243155843017458,"endHours":9.243155843017458,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.243155843017458,"endHours":10.243155843017458,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.243155843017458,"endHours":11.243155843017458,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.243155843017458,"endHours":12.243155843017458,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.243155843017458,"endHours":13.243155843017458,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.243155843017458,"endHours":14.243155843017458,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.243155843017458,"endHours":15.243155843017458,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.243155843017458,"endHours":16.24315584301746,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.24315584301746,"endHours":17.24315584301746,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.24315584301746,"endHours":18.24315584301746,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.24315584301746,"endHours":19.24315584301746,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.24315584301746,"endHours":20.24315584301746,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.24315584301746,"endHours":21.24315584301746,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.24315584301746,"endHours":22.24315584301746,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.24315584301746,"endHours":23.24315584301746,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.24315584301746,"endHours":24.24315584301746,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.24315584301746,"endHours":25.24315584301746,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.24315584301746,"endHours":26.24315584301746,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.24315584301746,"endHours":27.24315584301746,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.24315584301746,"endHours":28.24315584301746,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.24315584301746,"endHours":29.24315584301746,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.24315584301746,"endHours":30.24315584301746,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.24315584301746,"endHours":31.24315584301746,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"South-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.917415750878405,"eotMinutes":-11.255731249132124,"ayanamsa":26.2844}},"calendars":{"vikram_samvat":2231,"vikram_samvatsara":"Sarvajit","saka_samvat":2096,"saka_samvatsara":"Bhāva","bengali_samvat":1581,"malayalam_era":1350,"nanakshahi_year":705,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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":"Māgha Kṛṣṇa Caturthī · Vikram 2231 Sarvajit · Śaka 2096 Bhāva"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[]},"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 January 21, 2174 CE · Thane, Maharashtra · Vidhyamitra","description":"January 21, 2174 CE for Thane, Maharashtra: Kṛṣṇa Caturthī, sūryodaya 07:15, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2174-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2174-01-21","sa":"https://sa.vidhyamitra.com/city/thane/2174-01-21","hi":"https://hi.vidhyamitra.com/city/thane/2174-01-21","x-default":"https://vidhyamitra.com/city/thane/2174-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:10:27.448Z","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":"2026-05-31T21:10:27.448Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:10:27.448Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}