{"id":"vidhyamitra:city-day:kolhapur:1980-06-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1980-06-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-06-28","date_display":"June 28, 1980 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":1980,"month":6,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444418.770833,"kali_year":5082,"ahargana":1855953.2708,"sun":{"sidereal_longitude":72.6503,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":247.5367,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.8864,"elapsed_within_tithi_degrees":6.8864},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.5367,"elapsed_within_degrees":7.5367},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.187},"karana":{"half_tithi_index":29,"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":1980,"month":6,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444418.770833,"ahargana":1855953.2708,"kali_year":5082,"ayanamsa_lahiri":23.5804,"grahas":{"sun":{"sidereal_longitude":72.92008499999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":248.683585,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false,"latitude":3.6907},"mars":{"sidereal_longitude":149.817385,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":91.89748500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":131.91418499999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":54.21778499999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":147.49208499999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":122.6642,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":302.6642,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1980,"month":6,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444418.770833,"kali_year":5082,"ahargana":1855953.2708,"sun":{"sidereal_longitude":72.6503,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":247.5367,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.8864,"elapsed_within_tithi_degrees":6.8864},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.5367,"elapsed_within_degrees":7.5367},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.187},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.691,"elongation":174.886},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.691,"opposition_distance":5.114}},"eclipse_window_40days":[]},"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:02","sunsetLocal":"19:09","solarNoonLocal":"12:36","dayLengthHours":13.116484935768328,"dayLengthDisplay":"13 Hours 06 Mins 59 Secs","nightLengthDisplay":"10 Hours 53 Mins 01 Secs","moonriseLocal":"18:46","moonsetLocal":"05:52","rahuKala":{"name":"Rāhu Kāla","start":"09:19","end":"10:58","startHours":9.319492344459968,"endHours":10.95905296143101,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:14","end":"15:53","startHours":14.238174195373093,"endHours":15.877734812344134,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:02","end":"07:41","startHours":6.040371110517887,"endHours":7.679931727488928,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:32","startHours":9.100884262197162,"endHours":9.538100426722774,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:56","startHours":6.586891316174901,"endHours":6.93666424779539,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"13:02","startHours":12.161397413876442,"endHours":13.035829742927662,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:10","startHours":4.291506452415443,"endHours":5.165938781466664,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:02","startHours":4.947330699203859,"endHours":6.040371110517887,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:40","startHours":14.784694401030107,"endHours":15.65912673008133,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.956856046286216,"endHours":19.356856046286214,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:42","startHours":19.156856046286215,"endHours":19.70337625194323,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.906856046286215,"endHours":20.656856046286215,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"01:02","startHours":24.16139741387644,"endHours":25.035829742927664,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:02","end":"07:41","startHours":6.040371110517887,"endHours":7.679931727488928,"quality":"inauspicious"},{"name":"Śubha","start":"07:41","end":"09:19","startHours":7.679931727488928,"endHours":9.319492344459968,"quality":"auspicious"},{"name":"Roga","start":"09:19","end":"10:58","startHours":9.319492344459968,"endHours":10.95905296143101,"quality":"inauspicious"},{"name":"Udveg","start":"10:58","end":"12:36","startHours":10.95905296143101,"endHours":12.598613578402052,"quality":"inauspicious"},{"name":"Chala","start":"12:36","end":"14:14","startHours":12.598613578402052,"endHours":14.238174195373093,"quality":"neutral"},{"name":"Labha","start":"14:14","end":"15:53","startHours":14.238174195373093,"endHours":15.877734812344134,"quality":"auspicious"},{"name":"Amṛta","start":"15:53","end":"17:31","startHours":15.877734812344134,"endHours":17.517295429315176,"quality":"auspicious"},{"name":"Kāla","start":"17:31","end":"19:09","startHours":17.517295429315176,"endHours":19.156856046286215,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:09","end":"20:31","startHours":19.156856046286215,"endHours":20.517295429315173,"quality":"auspicious"},{"name":"Amṛta","start":"20:31","end":"21:53","startHours":20.517295429315173,"endHours":21.877734812344134,"quality":"auspicious"},{"name":"Kāla","start":"21:53","end":"23:14","startHours":21.877734812344134,"endHours":23.23817419537309,"quality":"inauspicious"},{"name":"Śubha","start":"23:14","end":"00:36","startHours":23.23817419537309,"endHours":24.598613578402052,"quality":"auspicious"},{"name":"Roga","start":"00:36","end":"01:58","startHours":24.598613578402052,"endHours":25.95905296143101,"quality":"inauspicious"},{"name":"Udveg","start":"01:58","end":"03:19","startHours":25.95905296143101,"endHours":27.319492344459967,"quality":"inauspicious"},{"name":"Chala","start":"03:19","end":"04:41","startHours":27.319492344459967,"endHours":28.679931727488928,"quality":"neutral"},{"name":"Labha","start":"04:41","end":"06:02","startHours":28.679931727488928,"endHours":30.04037111051789,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.040371110517887,"endHours":7.040371110517887,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.040371110517887,"endHours":8.040371110517887,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.040371110517887,"endHours":9.040371110517887,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.040371110517887,"endHours":10.040371110517887,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.040371110517887,"endHours":11.040371110517887,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.040371110517887,"endHours":12.040371110517887,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.040371110517887,"endHours":13.040371110517887,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.040371110517887,"endHours":14.040371110517887,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.040371110517887,"endHours":15.040371110517887,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.040371110517887,"endHours":16.04037111051789,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.04037111051789,"endHours":17.04037111051789,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.04037111051789,"endHours":18.04037111051789,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.04037111051789,"endHours":19.04037111051789,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.04037111051789,"endHours":20.04037111051789,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.04037111051789,"endHours":21.04037111051789,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.04037111051789,"endHours":22.04037111051789,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.04037111051789,"endHours":23.04037111051789,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.04037111051789,"endHours":24.04037111051789,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.04037111051789,"endHours":25.04037111051789,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.04037111051789,"endHours":26.04037111051789,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.04037111051789,"endHours":27.04037111051789,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.04037111051789,"endHours":28.04037111051789,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.04037111051789,"endHours":29.04037111051789,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.04037111051789,"endHours":30.04037111051789,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.27691365563227,"eotMinutes":-2.890014704123143,"ayanamsa":23.5804}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Pūrṇimā · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"id":"guru-purnima","name":"Guru Pūrṇimā / Vyāsa Pūrṇimā","name_sanskrit":"गुरु पूर्णिमा / व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Vyāsa-jī","significance":"Honor Vyāsa-jī and all gurus.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1},{"id":"vyasa-purnima","name":"Vyāsa Pūrṇimā (= Guru Pūrṇimā)","name_sanskrit":"व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Veda-Vyāsa","significance":"Birth of Veda-Vyāsa; Mahābhārata-Purāṇa-vibhāga-kartā. = Guru Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1,"related_chart":"vyasa"},{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"kolhapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga June 28, 1980 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"June 28, 1980 CE for Kolhāpur, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:02, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1980-06-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1980-06-28","sa":"https://sa.vidhyamitra.com/city/kolhapur/1980-06-28","hi":"https://hi.vidhyamitra.com/city/kolhapur/1980-06-28","x-default":"https://vidhyamitra.com/city/kolhapur/1980-06-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T23:19:57.135Z","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":"2026-05-22T23:19:57.135Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T23:19:57.135Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}