{"id":"vidhyamitra:city-day:thane:2012-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2012-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-04-18","date_display":"April 18, 2012 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":2012,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456035.770833,"kali_year":5114,"ahargana":1867570.2708,"sun":{"sidereal_longitude":4.4772,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":327.1693,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.6922,"elapsed_within_tithi_degrees":10.6922},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.1693,"elapsed_within_degrees":7.1693},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.6465},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2012,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456035.770833,"ahargana":1867570.2708,"kali_year":5114,"ayanamsa_lahiri":24.0248,"grahas":{"sun":{"sidereal_longitude":4.387929999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":328.36343,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":4.4311},"mars":{"sidereal_longitude":129.54663,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":336.80433,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":22.935029999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":48.03652999999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":181.73892999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":227.1397,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.1397,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456035.770833,"kali_year":5114,"ahargana":1867570.2708,"sun":{"sidereal_longitude":4.4772,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":327.1693,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.6922,"elapsed_within_tithi_degrees":10.6922},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.1693,"elapsed_within_degrees":7.1693},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.6465},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.431,"elongation":37.308},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.431,"opposition_distance":142.692}},"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":"06:19","sunsetLocal":"18:57","solarNoonLocal":"12:38","dayLengthHours":12.633766770574006,"dayLengthDisplay":"12 Hours 38 Mins 02 Secs","nightLengthDisplay":"11 Hours 21 Mins 58 Secs","moonriseLocal":"04:15","moonsetLocal":"16:12","rahuKala":{"name":"Rāhu Kāla","start":"12:38","end":"14:12","startHours":12.626361951735277,"endHours":14.205582798057028,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:53","end":"09:28","startHours":7.888699412770025,"endHours":9.467920259091777,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:03","end":"12:38","startHours":11.047141105413527,"endHours":12.626361951735277,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:41","startHours":9.25735747958221,"endHours":9.678483038601343,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:10","startHours":6.835885515222191,"endHours":7.172785962437498,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"13:03","startHours":12.205236392716143,"endHours":13.04748751075441,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:28","startHours":4.624976330371741,"endHours":5.467227448410007,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:19","startHours":5.256664668900441,"endHours":6.309478566448274,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:34","startHours":14.731989746830944,"endHours":15.57424086486921,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.74324533702228,"endHours":19.14324533702228,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:28","startHours":18.94324533702228,"endHours":19.469652285796197,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.69324533702228,"endHours":20.44324533702228,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"01:03","startHours":24.20523639271614,"endHours":25.04748751075441,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:19","end":"07:53","startHours":6.309478566448274,"endHours":7.888699412770025,"quality":"auspicious"},{"name":"Amṛta","start":"07:53","end":"09:28","startHours":7.888699412770025,"endHours":9.467920259091777,"quality":"auspicious"},{"name":"Kāla","start":"09:28","end":"11:03","startHours":9.467920259091777,"endHours":11.047141105413527,"quality":"inauspicious"},{"name":"Śubha","start":"11:03","end":"12:38","startHours":11.047141105413527,"endHours":12.626361951735277,"quality":"auspicious"},{"name":"Roga","start":"12:38","end":"14:12","startHours":12.626361951735277,"endHours":14.205582798057028,"quality":"inauspicious"},{"name":"Udveg","start":"14:12","end":"15:47","startHours":14.205582798057028,"endHours":15.78480364437878,"quality":"inauspicious"},{"name":"Chala","start":"15:47","end":"17:22","startHours":15.78480364437878,"endHours":17.36402449070053,"quality":"neutral"},{"name":"Labha","start":"17:22","end":"18:57","startHours":17.36402449070053,"endHours":18.94324533702228,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:57","end":"20:22","startHours":18.94324533702228,"endHours":20.36402449070053,"quality":"inauspicious"},{"name":"Chala","start":"20:22","end":"21:47","startHours":20.36402449070053,"endHours":21.784803644378776,"quality":"neutral"},{"name":"Labha","start":"21:47","end":"23:12","startHours":21.784803644378776,"endHours":23.205582798057026,"quality":"auspicious"},{"name":"Amṛta","start":"23:12","end":"00:38","startHours":23.205582798057026,"endHours":24.626361951735277,"quality":"auspicious"},{"name":"Kāla","start":"00:38","end":"02:03","startHours":24.626361951735277,"endHours":26.047141105413527,"quality":"inauspicious"},{"name":"Śubha","start":"02:03","end":"03:28","startHours":26.047141105413527,"endHours":27.467920259091777,"quality":"auspicious"},{"name":"Roga","start":"03:28","end":"04:53","startHours":27.467920259091777,"endHours":28.888699412770023,"quality":"inauspicious"},{"name":"Udveg","start":"04:53","end":"06:19","startHours":28.888699412770023,"endHours":30.309478566448274,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.309478566448274,"endHours":7.309478566448274,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.309478566448274,"endHours":8.309478566448274,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.309478566448274,"endHours":9.309478566448274,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.309478566448274,"endHours":10.309478566448274,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.309478566448274,"endHours":11.309478566448274,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.309478566448274,"endHours":12.309478566448274,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.309478566448274,"endHours":13.309478566448274,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.309478566448274,"endHours":14.309478566448274,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.309478566448274,"endHours":15.309478566448274,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.309478566448274,"endHours":16.309478566448274,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.309478566448274,"endHours":17.309478566448274,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.309478566448274,"endHours":18.309478566448274,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.309478566448274,"endHours":19.309478566448274,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.309478566448274,"endHours":20.309478566448274,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.309478566448274,"endHours":21.309478566448274,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.309478566448274,"endHours":22.309478566448274,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.309478566448274,"endHours":23.309478566448274,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.309478566448274,"endHours":24.309478566448274,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.309478566448274,"endHours":25.309478566448274,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.309478566448274,"endHours":26.309478566448274,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.309478566448274,"endHours":27.309478566448274,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.309478566448274,"endHours":28.309478566448274,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.309478566448274,"endHours":29.309478566448274,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.309478566448274,"endHours":30.309478566448274,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.908955031123353,"eotMinutes":0.5058828958834352,"ayanamsa":24.0248}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 18, 2012 CE · Thane, Maharashtra · Vidhyamitra","description":"April 18, 2012 CE for Thane, Maharashtra: Kṛṣṇa Dvādaśī, sūryodaya 06:19, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2012-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2012-04-18","sa":"https://sa.vidhyamitra.com/city/thane/2012-04-18","hi":"https://hi.vidhyamitra.com/city/thane/2012-04-18","x-default":"https://vidhyamitra.com/city/thane/2012-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:21:23.471Z","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":"2026-05-15T17:21:23.471Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:21:23.471Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}