{"id":"vidhyamitra:city-day:thane:2017-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2017-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-04-21","date_display":"April 21, 2017 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":2017,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457864.770833,"kali_year":5119,"ahargana":1869399.2708,"sun":{"sidereal_longitude":7.1093,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":298.2045,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":291.0951,"elapsed_within_tithi_degrees":3.0951},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":298.2045,"elapsed_within_degrees":4.8711},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.3138},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":2017,"month":4,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457864.770833,"ahargana":1869399.2708,"kali_year":5119,"ayanamsa_lahiri":24.0947,"grahas":{"sun":{"sidereal_longitude":7.042549000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":295.855449,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":0.9367},"mars":{"sidereal_longitude":35.39094899999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":5.646749,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":172.06604900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"venus":{"sidereal_longitude":333.185349,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":243.351449,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":130.2305,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":310.2305,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2017,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457864.770833,"kali_year":5119,"ahargana":1869399.2708,"sun":{"sidereal_longitude":7.1093,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":298.2045,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":291.0951,"elapsed_within_tithi_degrees":3.0951},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":298.2045,"elapsed_within_degrees":4.8711},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.3138},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.937,"elongation":68.905},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.937,"opposition_distance":111.095}},"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":"06:16","sunsetLocal":"18:57","solarNoonLocal":"12:37","dayLengthHours":12.680747280774995,"dayLengthDisplay":"12 Hours 40 Mins 51 Secs","nightLengthDisplay":"11 Hours 19 Mins 09 Secs","moonriseLocal":"02:11","moonsetLocal":"13:34","rahuKala":{"name":"Rāhu Kāla","start":"11:02","end":"12:37","startHours":11.029911109217089,"endHours":12.615004519313963,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:47","end":"17:22","startHours":15.785191339507712,"endHours":17.370284749604586,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:52","end":"09:27","startHours":7.85972428902334,"endHours":9.444817699120215,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:39","startHours":9.233471911107298,"endHours":9.656163487133131,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:08","startHours":6.802995348958757,"endHours":7.141148609779424,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"13:02","startHours":12.19231294328813,"endHours":13.037696095339797,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:35","end":"05:26","startHours":4.583864574823133,"endHours":5.4292477268748,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:13","end":"06:16","startHours":5.217901938861884,"endHours":6.274630878926466,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:34","startHours":14.728462399443128,"endHours":15.573845551494793,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.75537815970146,"endHours":19.15537815970146,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:29","startHours":18.95537815970146,"endHours":19.48374262973375,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.70537815970146,"endHours":20.45537815970146,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"01:02","startHours":24.19231294328813,"endHours":25.037696095339797,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:16","end":"07:52","startHours":6.274630878926466,"endHours":7.85972428902334,"quality":"neutral"},{"name":"Labha","start":"07:52","end":"09:27","startHours":7.85972428902334,"endHours":9.444817699120215,"quality":"auspicious"},{"name":"Amṛta","start":"09:27","end":"11:02","startHours":9.444817699120215,"endHours":11.029911109217089,"quality":"auspicious"},{"name":"Kāla","start":"11:02","end":"12:37","startHours":11.029911109217089,"endHours":12.615004519313963,"quality":"inauspicious"},{"name":"Śubha","start":"12:37","end":"14:12","startHours":12.615004519313963,"endHours":14.200097929410838,"quality":"auspicious"},{"name":"Roga","start":"14:12","end":"15:47","startHours":14.200097929410838,"endHours":15.785191339507712,"quality":"inauspicious"},{"name":"Udveg","start":"15:47","end":"17:22","startHours":15.785191339507712,"endHours":17.370284749604586,"quality":"inauspicious"},{"name":"Chala","start":"17:22","end":"18:57","startHours":17.370284749604586,"endHours":18.95537815970146,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:57","end":"20:22","startHours":18.95537815970146,"endHours":20.370284749604586,"quality":"inauspicious"},{"name":"Udveg","start":"20:22","end":"21:47","startHours":20.370284749604586,"endHours":21.785191339507712,"quality":"inauspicious"},{"name":"Chala","start":"21:47","end":"23:12","startHours":21.785191339507712,"endHours":23.200097929410838,"quality":"neutral"},{"name":"Labha","start":"23:12","end":"00:37","startHours":23.200097929410838,"endHours":24.615004519313963,"quality":"auspicious"},{"name":"Amṛta","start":"00:37","end":"02:02","startHours":24.615004519313963,"endHours":26.02991110921709,"quality":"auspicious"},{"name":"Kāla","start":"02:02","end":"03:27","startHours":26.02991110921709,"endHours":27.444817699120215,"quality":"inauspicious"},{"name":"Śubha","start":"03:27","end":"04:52","startHours":27.444817699120215,"endHours":28.85972428902334,"quality":"auspicious"},{"name":"Roga","start":"04:52","end":"06:16","startHours":28.85972428902334,"endHours":30.274630878926466,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.274630878926466,"endHours":7.274630878926466,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.274630878926466,"endHours":8.274630878926466,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.274630878926466,"endHours":9.274630878926466,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.274630878926466,"endHours":10.274630878926466,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.274630878926466,"endHours":11.274630878926466,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.274630878926466,"endHours":12.274630878926466,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.274630878926466,"endHours":13.274630878926466,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.274630878926466,"endHours":14.274630878926466,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.274630878926466,"endHours":15.274630878926466,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.274630878926466,"endHours":16.274630878926466,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.274630878926466,"endHours":17.274630878926466,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.274630878926466,"endHours":18.274630878926466,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.274630878926466,"endHours":19.274630878926466,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.274630878926466,"endHours":20.274630878926466,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.274630878926466,"endHours":21.274630878926466,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.274630878926466,"endHours":22.274630878926466,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.274630878926466,"endHours":23.274630878926466,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.274630878926466,"endHours":24.274630878926466,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.274630878926466,"endHours":25.274630878926466,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.274630878926466,"endHours":26.274630878926466,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.274630878926466,"endHours":27.274630878926466,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.274630878926466,"endHours":28.274630878926466,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.274630878926466,"endHours":29.274630878926466,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.274630878926466,"endHours":30.274630878926466,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.86833872288245,"eotMinutes":1.1873288411622274,"ayanamsa":24.0947}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Daśamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"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":[]},"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 April 21, 2017 CE · Thane, Maharashtra · Vidhyamitra","description":"April 21, 2017 CE for Thane, Maharashtra: Kṛṣṇa Daśamī, sūryodaya 06:16, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2017-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2017-04-21","sa":"https://sa.vidhyamitra.com/city/thane/2017-04-21","hi":"https://hi.vidhyamitra.com/city/thane/2017-04-21","x-default":"https://vidhyamitra.com/city/thane/2017-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:47:11.916Z","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":"2026-05-15T20:47:11.916Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:47:11.916Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}