{"id":"vidhyamitra:city-day:thane:2013-04-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2013-04-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-04-04","date_display":"April 4, 2013 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":2013,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456386.770833,"kali_year":5114,"ahargana":1867921.2708,"sun":{"sidereal_longitude":350.5286,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":270.6493,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.1207,"elapsed_within_tithi_degrees":4.1207},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.6493,"elapsed_within_degrees":3.9827},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.1779},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2013,"month":4,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456386.770833,"ahargana":1867921.2708,"kali_year":5114,"ayanamsa_lahiri":24.0382,"grahas":{"sun":{"sidereal_longitude":350.397819,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":271.399319,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":3.9763},"mars":{"sidereal_longitude":353.343019,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":322.672319,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":47.878619000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":351.842019,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":195.68091900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":208.542,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":28.542,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"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":2013,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456386.770833,"kali_year":5114,"ahargana":1867921.2708,"sun":{"sidereal_longitude":350.5286,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":270.6493,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.1207,"elapsed_within_tithi_degrees":4.1207},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.6493,"elapsed_within_degrees":3.9827},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.1779},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.976,"elongation":79.879},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.976,"opposition_distance":100.121}},"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":"06:30","sunsetLocal":"18:53","solarNoonLocal":"12:41","dayLengthHours":12.383723469325908,"dayLengthDisplay":"12 Hours 23 Mins 01 Secs","nightLengthDisplay":"11 Hours 36 Mins 59 Secs","moonriseLocal":"01:54","moonsetLocal":"12:57","rahuKala":{"name":"Rāhu Kāla","start":"14:14","end":"15:47","startHours":14.239485818647909,"endHours":15.787451252313648,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:30","end":"08:03","startHours":6.499658650319216,"endHours":8.047624083984955,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:36","end":"11:09","startHours":9.595589517650694,"endHours":11.143554951316432,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:48","startHours":9.389194126495262,"endHours":9.801984908806125,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:21","startHours":7.015647128207796,"endHours":7.345879754056487,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"13:06","startHours":12.278729602671305,"endHours":13.104311167293034,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:40","startHours":4.848495521075762,"endHours":5.67407708569749,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:28","end":"06:30","startHours":5.467681694542057,"endHours":6.499658650319216,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:35","startHours":14.755474296536487,"endHours":15.581055861158214,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.683382119645124,"endHours":19.083382119645123,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:24","startHours":18.883382119645123,"endHours":19.399370597533704,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.633382119645123,"endHours":20.383382119645123,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"01:06","startHours":24.278729602671305,"endHours":25.104311167293034,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:30","end":"08:03","startHours":6.499658650319216,"endHours":8.047624083984955,"quality":"auspicious"},{"name":"Roga","start":"08:03","end":"09:36","startHours":8.047624083984955,"endHours":9.595589517650694,"quality":"inauspicious"},{"name":"Udveg","start":"09:36","end":"11:09","startHours":9.595589517650694,"endHours":11.143554951316432,"quality":"inauspicious"},{"name":"Chala","start":"11:09","end":"12:41","startHours":11.143554951316432,"endHours":12.69152038498217,"quality":"neutral"},{"name":"Labha","start":"12:41","end":"14:14","startHours":12.69152038498217,"endHours":14.239485818647909,"quality":"auspicious"},{"name":"Amṛta","start":"14:14","end":"15:47","startHours":14.239485818647909,"endHours":15.787451252313648,"quality":"auspicious"},{"name":"Kāla","start":"15:47","end":"17:20","startHours":15.787451252313648,"endHours":17.335416685979386,"quality":"inauspicious"},{"name":"Śubha","start":"17:20","end":"18:53","startHours":17.335416685979386,"endHours":18.883382119645123,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:53","end":"20:20","startHours":18.883382119645123,"endHours":20.335416685979386,"quality":"auspicious"},{"name":"Kāla","start":"20:20","end":"21:47","startHours":20.335416685979386,"endHours":21.787451252313645,"quality":"inauspicious"},{"name":"Śubha","start":"21:47","end":"23:14","startHours":21.787451252313645,"endHours":23.239485818647907,"quality":"auspicious"},{"name":"Roga","start":"23:14","end":"00:41","startHours":23.239485818647907,"endHours":24.69152038498217,"quality":"inauspicious"},{"name":"Udveg","start":"00:41","end":"02:09","startHours":24.69152038498217,"endHours":26.143554951316432,"quality":"inauspicious"},{"name":"Chala","start":"02:09","end":"03:36","startHours":26.143554951316432,"endHours":27.595589517650694,"quality":"neutral"},{"name":"Labha","start":"03:36","end":"05:03","startHours":27.595589517650694,"endHours":29.047624083984953,"quality":"auspicious"},{"name":"Amṛta","start":"05:03","end":"06:30","startHours":29.047624083984953,"endHours":30.499658650319216,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.499658650319216,"endHours":7.499658650319216,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.499658650319216,"endHours":8.499658650319216,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.499658650319216,"endHours":9.499658650319216,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.499658650319216,"endHours":10.499658650319216,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.499658650319216,"endHours":11.499658650319216,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.499658650319216,"endHours":12.499658650319216,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.499658650319216,"endHours":13.499658650319216,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.499658650319216,"endHours":14.499658650319216,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.499658650319216,"endHours":15.499658650319216,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.499658650319216,"endHours":16.499658650319216,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.499658650319216,"endHours":17.499658650319216,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.499658650319216,"endHours":18.499658650319216,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.499658650319216,"endHours":19.499658650319216,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.499658650319216,"endHours":20.499658650319216,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.499658650319216,"endHours":21.499658650319216,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.499658650319216,"endHours":22.499658650319216,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.499658650319216,"endHours":23.499658650319216,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.499658650319216,"endHours":24.499658650319216,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.499658650319216,"endHours":25.499658650319216,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.499658650319216,"endHours":26.499658650319216,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.499658650319216,"endHours":27.499658650319216,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.499658650319216,"endHours":28.499658650319216,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.499658650319216,"endHours":29.499658650319216,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.499658650319216,"endHours":30.499658650319216,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":5.690467679659284,"eotMinutes":-3.4036230989301703,"ayanamsa":24.0382}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Navamī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 4, 2013 CE · Thane, Maharashtra · Vidhyamitra","description":"April 4, 2013 CE for Thane, Maharashtra: Kṛṣṇa Navamī, sūryodaya 06:30, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2013-04-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2013-04-04","sa":"https://sa.vidhyamitra.com/city/thane/2013-04-04","hi":"https://hi.vidhyamitra.com/city/thane/2013-04-04","x-default":"https://vidhyamitra.com/city/thane/2013-04-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T08:25:39.373Z","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":"2026-05-15T08:25:39.373Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T08:25:39.373Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}