{"id":"vidhyamitra:city-day:thane:2131-04-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2131-04-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-04-28","date_display":"April 28, 2131 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":2131,"month":4,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499508.770833,"kali_year":5233,"ahargana":1911043.2708,"sun":{"sidereal_longitude":11.4778,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":20.4722,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.9944,"elapsed_within_tithi_degrees":8.9944},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":20.4722,"elapsed_within_degrees":7.1389},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.9499},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2131,"month":4,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499508.770833,"ahargana":1911043.2708,"kali_year":5233,"ayanamsa_lahiri":25.6874,"grahas":{"sun":{"sidereal_longitude":11.698142000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":21.39314200000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":-4.0179},"mars":{"sidereal_longitude":297.707942,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":348.654442,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":33.44654200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":349.132142,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":195.87074200000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":83.7309,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":263.7309,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2131,"month":4,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499508.770833,"kali_year":5233,"ahargana":1911043.2708,"sun":{"sidereal_longitude":11.4778,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":20.4722,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.9944,"elapsed_within_tithi_degrees":8.9944},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":20.4722,"elapsed_within_degrees":7.1389},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.9499},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.018,"elongation":8.994},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.018,"opposition_distance":171.006}},"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":"06:12","sunsetLocal":"18:59","solarNoonLocal":"12:36","dayLengthHours":12.785315930392478,"dayLengthDisplay":"12 Hours 47 Mins 07 Secs","nightLengthDisplay":"11 Hours 12 Mins 53 Secs","moonriseLocal":"06:47","moonsetLocal":"19:41","rahuKala":{"name":"Rāhu Kāla","start":"09:24","end":"11:00","startHours":9.39692484814488,"endHours":10.995089339443942,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:11","end":"15:47","startHours":14.191418322042061,"endHours":15.78958281334112,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:12","end":"07:48","startHours":6.200595865546762,"endHours":7.798760356845822,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:37","startHours":9.183836249305006,"endHours":9.610013446984755,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:04","startHours":6.733317362646448,"endHours":7.074259120790248,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"13:01","startHours":12.167076633063253,"endHours":13.019431028422751,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:21","startHours":4.495887074827765,"endHours":5.348241470187263,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:12","startHours":5.135152871347389,"endHours":6.200595865546762,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:35","startHours":14.724139819141747,"endHours":15.576494214501245,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.785911795939242,"endHours":19.18591179593924,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:31","startHours":18.98591179593924,"endHours":19.518633293038928,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.73591179593924,"endHours":20.48591179593924,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"01:01","startHours":24.167076633063253,"endHours":25.01943102842275,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:12","end":"07:48","startHours":6.200595865546762,"endHours":7.798760356845822,"quality":"inauspicious"},{"name":"Śubha","start":"07:48","end":"09:24","startHours":7.798760356845822,"endHours":9.39692484814488,"quality":"auspicious"},{"name":"Roga","start":"09:24","end":"11:00","startHours":9.39692484814488,"endHours":10.995089339443942,"quality":"inauspicious"},{"name":"Udveg","start":"11:00","end":"12:36","startHours":10.995089339443942,"endHours":12.593253830743002,"quality":"inauspicious"},{"name":"Chala","start":"12:36","end":"14:11","startHours":12.593253830743002,"endHours":14.191418322042061,"quality":"neutral"},{"name":"Labha","start":"14:11","end":"15:47","startHours":14.191418322042061,"endHours":15.78958281334112,"quality":"auspicious"},{"name":"Amṛta","start":"15:47","end":"17:23","startHours":15.78958281334112,"endHours":17.387747304640182,"quality":"auspicious"},{"name":"Kāla","start":"17:23","end":"18:59","startHours":17.387747304640182,"endHours":18.98591179593924,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:59","end":"20:23","startHours":18.98591179593924,"endHours":20.387747304640182,"quality":"auspicious"},{"name":"Amṛta","start":"20:23","end":"21:47","startHours":20.387747304640182,"endHours":21.78958281334112,"quality":"auspicious"},{"name":"Kāla","start":"21:47","end":"23:11","startHours":21.78958281334112,"endHours":23.19141832204206,"quality":"inauspicious"},{"name":"Śubha","start":"23:11","end":"00:36","startHours":23.19141832204206,"endHours":24.593253830743002,"quality":"auspicious"},{"name":"Roga","start":"00:36","end":"02:00","startHours":24.593253830743002,"endHours":25.995089339443943,"quality":"inauspicious"},{"name":"Udveg","start":"02:00","end":"03:24","startHours":25.995089339443943,"endHours":27.396924848144884,"quality":"inauspicious"},{"name":"Chala","start":"03:24","end":"04:48","startHours":27.396924848144884,"endHours":28.798760356845822,"quality":"neutral"},{"name":"Labha","start":"04:48","end":"06:12","startHours":28.798760356845822,"endHours":30.200595865546763,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.200595865546762,"endHours":7.200595865546762,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.200595865546762,"endHours":8.200595865546763,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.200595865546763,"endHours":9.200595865546763,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.200595865546763,"endHours":10.200595865546763,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.200595865546763,"endHours":11.200595865546763,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.200595865546763,"endHours":12.200595865546763,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.200595865546763,"endHours":13.200595865546763,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.200595865546763,"endHours":14.200595865546763,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.200595865546763,"endHours":15.200595865546763,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.200595865546763,"endHours":16.200595865546763,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.200595865546763,"endHours":17.200595865546763,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.200595865546763,"endHours":18.200595865546763,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.200595865546763,"endHours":19.200595865546763,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.200595865546763,"endHours":20.200595865546763,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.200595865546763,"endHours":21.200595865546763,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.200595865546763,"endHours":22.200595865546763,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.200595865546763,"endHours":23.200595865546763,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.200595865546763,"endHours":24.200595865546763,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.200595865546763,"endHours":25.200595865546763,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.200595865546763,"endHours":26.200595865546763,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.200595865546763,"endHours":27.200595865546763,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.200595865546763,"endHours":28.200595865546763,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.200595865546763,"endHours":29.200595865546763,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.200595865546763,"endHours":30.200595865546763,"planetary_lord":"Mercury"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.974695826764204,"eotMinutes":2.4923701554198168,"ayanamsa":25.6874}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pratipada · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 28, 2131 CE · Thane, Maharashtra · Vidhyamitra","description":"April 28, 2131 CE for Thane, Maharashtra: Śukla Pratipada, sūryodaya 06:12, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2131-04-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2131-04-28","sa":"https://sa.vidhyamitra.com/city/thane/2131-04-28","hi":"https://hi.vidhyamitra.com/city/thane/2131-04-28","x-default":"https://vidhyamitra.com/city/thane/2131-04-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T07:38:54.708Z","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":"2026-06-01T07:38:54.708Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T07:38:54.708Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}