{"id":"vidhyamitra:city-day:thane:1978-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1978-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-12-28","date_display":"December 28, 1978 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":1978,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443870.770833,"kali_year":5080,"ahargana":1855405.2708,"sun":{"sidereal_longitude":252.1603,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":227.7581,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.5977,"elapsed_within_tithi_degrees":11.5977},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":227.7581,"elapsed_within_degrees":1.0914},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.9184},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1978,"month":12,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443870.770833,"ahargana":1855405.2708,"kali_year":5080,"ayanamsa_lahiri":23.5595,"grahas":{"sun":{"sidereal_longitude":252.38122199999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":227.83752200000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":4.3672},"mars":{"sidereal_longitude":258.390122,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":230.844022,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":103.52422200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":207.788322,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":140.25122199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":151.6999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":331.6999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1978,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443870.770833,"kali_year":5080,"ahargana":1855405.2708,"sun":{"sidereal_longitude":252.1603,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":227.7581,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.5977,"elapsed_within_tithi_degrees":11.5977},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":227.7581,"elapsed_within_degrees":1.0914},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.9184},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.367,"elongation":24.402},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.367,"opposition_distance":155.598}},"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":"07:11","sunsetLocal":"18:09","solarNoonLocal":"12:40","dayLengthHours":10.977944001054645,"dayLengthDisplay":"10 Hours 58 Mins 41 Secs","nightLengthDisplay":"13 Hours 01 Mins 19 Secs","moonriseLocal":"05:32","moonsetLocal":"16:32","rahuKala":{"name":"Rāhu Kāla","start":"14:02","end":"15:25","startHours":14.038488074536623,"endHours":15.410731074668453,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:11","end":"08:33","startHours":7.177273073877469,"endHours":8.5495160740093,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:55","end":"11:18","startHours":9.92175907414113,"endHours":11.29400207427296,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:06","startHours":9.73879334079022,"endHours":10.10472480749204,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:56","startHours":7.634687407254746,"endHours":7.927432580616204,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:02","startHours":12.30031360770297,"endHours":13.032176541106613,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:27","startHours":5.713547207070183,"endHours":6.445410140473826,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:11","startHours":6.262444407122915,"endHours":7.177273073877469,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:14","startHours":14.4959024079139,"endHours":15.227765341317543,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.955217074932115,"endHours":18.355217074932114,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:37","startHours":18.155217074932114,"endHours":18.61263140830939,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.905217074932114,"endHours":19.655217074932114,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:02","startHours":24.30031360770297,"endHours":25.03217654110661,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:11","end":"08:33","startHours":7.177273073877469,"endHours":8.5495160740093,"quality":"auspicious"},{"name":"Roga","start":"08:33","end":"09:55","startHours":8.5495160740093,"endHours":9.92175907414113,"quality":"inauspicious"},{"name":"Udveg","start":"09:55","end":"11:18","startHours":9.92175907414113,"endHours":11.29400207427296,"quality":"inauspicious"},{"name":"Chala","start":"11:18","end":"12:40","startHours":11.29400207427296,"endHours":12.666245074404792,"quality":"neutral"},{"name":"Labha","start":"12:40","end":"14:02","startHours":12.666245074404792,"endHours":14.038488074536623,"quality":"auspicious"},{"name":"Amṛta","start":"14:02","end":"15:25","startHours":14.038488074536623,"endHours":15.410731074668453,"quality":"auspicious"},{"name":"Kāla","start":"15:25","end":"16:47","startHours":15.410731074668453,"endHours":16.782974074800283,"quality":"inauspicious"},{"name":"Śubha","start":"16:47","end":"18:09","startHours":16.782974074800283,"endHours":18.155217074932114,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:09","end":"19:47","startHours":18.155217074932114,"endHours":19.782974074800283,"quality":"auspicious"},{"name":"Kāla","start":"19:47","end":"21:25","startHours":19.782974074800283,"endHours":21.410731074668455,"quality":"inauspicious"},{"name":"Śubha","start":"21:25","end":"23:02","startHours":21.410731074668455,"endHours":23.038488074536623,"quality":"auspicious"},{"name":"Roga","start":"23:02","end":"00:40","startHours":23.038488074536623,"endHours":24.66624507440479,"quality":"inauspicious"},{"name":"Udveg","start":"00:40","end":"02:18","startHours":24.66624507440479,"endHours":26.29400207427296,"quality":"inauspicious"},{"name":"Chala","start":"02:18","end":"03:55","startHours":26.29400207427296,"endHours":27.92175907414113,"quality":"neutral"},{"name":"Labha","start":"03:55","end":"05:33","startHours":27.92175907414113,"endHours":29.5495160740093,"quality":"auspicious"},{"name":"Amṛta","start":"05:33","end":"07:11","startHours":29.5495160740093,"endHours":31.17727307387747,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.177273073877469,"endHours":8.177273073877469,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.177273073877469,"endHours":9.177273073877469,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.177273073877469,"endHours":10.177273073877469,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.177273073877469,"endHours":11.177273073877469,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.177273073877469,"endHours":12.177273073877469,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.177273073877469,"endHours":13.177273073877469,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.177273073877469,"endHours":14.177273073877469,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.177273073877469,"endHours":15.177273073877469,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.177273073877469,"endHours":16.17727307387747,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.17727307387747,"endHours":17.17727307387747,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.17727307387747,"endHours":18.17727307387747,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.17727307387747,"endHours":19.17727307387747,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.17727307387747,"endHours":20.17727307387747,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.17727307387747,"endHours":21.17727307387747,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.17727307387747,"endHours":22.17727307387747,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.17727307387747,"endHours":23.17727307387747,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.17727307387747,"endHours":24.17727307387747,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.17727307387747,"endHours":25.17727307387747,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.17727307387747,"endHours":26.17727307387747,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.17727307387747,"endHours":27.17727307387747,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.17727307387747,"endHours":28.17727307387747,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.17727307387747,"endHours":29.17727307387747,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.17727307387747,"endHours":30.17727307387747,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.17727307387747,"endHours":31.17727307387747,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.303177818141535,"eotMinutes":-1.8871044642874448,"ayanamsa":23.5595}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Trayodaśī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 December 28, 1978 CE · Thane, Maharashtra · Vidhyamitra","description":"December 28, 1978 CE for Thane, Maharashtra: Kṛṣṇa Trayodaśī, sūryodaya 07:11, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1978-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1978-12-28","sa":"https://sa.vidhyamitra.com/city/thane/1978-12-28","hi":"https://hi.vidhyamitra.com/city/thane/1978-12-28","x-default":"https://vidhyamitra.com/city/thane/1978-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:07:59.600Z","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":"2026-05-31T08:07:59.600Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:07:59.600Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}