{"id":"vidhyamitra:city-day:indore:1981-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/indore/1981-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-04","date_display":"January 4, 1981 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":1981,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444608.770833,"kali_year":5082,"ahargana":1856143.2708,"sun":{"sidereal_longitude":259.853,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":232.1799,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.3269,"elapsed_within_tithi_degrees":8.3269},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.1799,"elapsed_within_degrees":5.5132},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.0329},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1981,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444608.770833,"ahargana":1856143.2708,"kali_year":5082,"ayanamsa_lahiri":23.5877,"grahas":{"sun":{"sidereal_longitude":260.01232500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":233.53432500000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":3.9124},"mars":{"sidereal_longitude":279.95662500000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":262.485625,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":166.17022500000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":237.62602500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":165.76222499999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":112.5971,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":292.5971,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444608.770833,"kali_year":5082,"ahargana":1856143.2708,"sun":{"sidereal_longitude":259.853,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":232.1799,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.3269,"elapsed_within_tithi_degrees":8.3269},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.1799,"elapsed_within_degrees":5.5132},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.0329},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.912,"elongation":27.673},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.912,"opposition_distance":152.327}},"eclipse_window_40days":[{"offset_days":16,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776}]},"city":{"slug":"indore","name":"Indore, Madhya Pradesh","lat":22.7196,"lon":75.8577,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"indore","name":"Indore, Madhya Pradesh","lat":22.7196,"lon":75.8577,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:08","sunsetLocal":"17:55","solarNoonLocal":"12:32","dayLengthHours":10.784634242997662,"dayLengthDisplay":"10 Hours 47 Mins 05 Secs","nightLengthDisplay":"13 Hours 12 Mins 55 Secs","moonriseLocal":"05:23","moonsetLocal":"16:08","rahuKala":{"name":"Rāhu Kāla","start":"16:34","end":"17:55","startHours":16.570789622213226,"endHours":17.918868902587935,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:32","end":"13:52","startHours":12.526551781089104,"endHours":13.874631061463813,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:13","end":"16:34","startHours":15.22271034183852,"endHours":16.570789622213226,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.650649316289726,"endHours":10.010137124389649,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:52","startHours":7.583594419715176,"endHours":7.871184666195114,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:53","startHours":12.167063972989181,"endHours":12.886039589189027,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:25","startHours":5.696283427190585,"endHours":6.415259043390429,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:08","startHours":6.235515139340468,"endHours":7.134234659590273,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:03","startHours":14.323990821588714,"endHours":15.042966437788557,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.718868902587936,"endHours":18.118868902587934,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:22","startHours":17.918868902587935,"endHours":18.368228662712838,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.668868902587935,"endHours":19.418868902587935,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:53","startHours":24.167063972989183,"endHours":24.886039589189025,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:08","end":"08:29","startHours":7.134234659590273,"endHours":8.482313939964982,"quality":"inauspicious"},{"name":"Chala","start":"08:29","end":"09:50","startHours":8.482313939964982,"endHours":9.830393220339689,"quality":"neutral"},{"name":"Labha","start":"09:50","end":"11:11","startHours":9.830393220339689,"endHours":11.178472500714395,"quality":"auspicious"},{"name":"Amṛta","start":"11:11","end":"12:32","startHours":11.178472500714395,"endHours":12.526551781089104,"quality":"auspicious"},{"name":"Kāla","start":"12:32","end":"13:52","startHours":12.526551781089104,"endHours":13.874631061463813,"quality":"inauspicious"},{"name":"Śubha","start":"13:52","end":"15:13","startHours":13.874631061463813,"endHours":15.22271034183852,"quality":"auspicious"},{"name":"Roga","start":"15:13","end":"16:34","startHours":15.22271034183852,"endHours":16.570789622213226,"quality":"inauspicious"},{"name":"Udveg","start":"16:34","end":"17:55","startHours":16.570789622213226,"endHours":17.918868902587935,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:55","end":"19:34","startHours":17.918868902587935,"endHours":19.570789622213226,"quality":"auspicious"},{"name":"Roga","start":"19:34","end":"21:13","startHours":19.570789622213226,"endHours":21.22271034183852,"quality":"inauspicious"},{"name":"Udveg","start":"21:13","end":"22:52","startHours":21.22271034183852,"endHours":22.874631061463813,"quality":"inauspicious"},{"name":"Chala","start":"22:52","end":"00:32","startHours":22.874631061463813,"endHours":24.526551781089104,"quality":"neutral"},{"name":"Labha","start":"00:32","end":"02:11","startHours":24.526551781089104,"endHours":26.178472500714395,"quality":"auspicious"},{"name":"Amṛta","start":"02:11","end":"03:50","startHours":26.178472500714395,"endHours":27.830393220339687,"quality":"auspicious"},{"name":"Kāla","start":"03:50","end":"05:29","startHours":27.830393220339687,"endHours":29.482313939964982,"quality":"inauspicious"},{"name":"Śubha","start":"05:29","end":"07:08","startHours":29.482313939964982,"endHours":31.134234659590273,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.134234659590273,"endHours":8.134234659590273,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.134234659590273,"endHours":9.134234659590273,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.134234659590273,"endHours":10.134234659590273,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.134234659590273,"endHours":11.134234659590273,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.134234659590273,"endHours":12.134234659590273,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.134234659590273,"endHours":13.134234659590273,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.134234659590273,"endHours":14.134234659590273,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.134234659590273,"endHours":15.134234659590273,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.134234659590273,"endHours":16.134234659590273,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.134234659590273,"endHours":17.134234659590273,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.134234659590273,"endHours":18.134234659590273,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.134234659590273,"endHours":19.134234659590273,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.134234659590273,"endHours":20.134234659590273,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.134234659590273,"endHours":21.134234659590273,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.134234659590273,"endHours":22.134234659590273,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.134234659590273,"endHours":23.134234659590273,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.134234659590273,"endHours":24.134234659590273,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.134234659590273,"endHours":25.134234659590273,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.134234659590273,"endHours":26.134234659590273,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.134234659590273,"endHours":27.134234659590273,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.134234659590273,"endHours":28.134234659590273,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.134234659590273,"endHours":29.134234659590273,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.134234659590273,"endHours":30.134234659590273,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.134234659590273,"endHours":31.134234659590273,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.74188853337645,"eotMinutes":-5.02390686534617,"ayanamsa":23.5877}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Trayodaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5},{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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":"indore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 4, 1981 CE · Indore, Madhya Pradesh · Vidhyamitra","description":"January 4, 1981 CE for Indore, Madhya Pradesh: Kṛṣṇa Trayodaśī, sūryodaya 07:08, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/indore/1981-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/indore/1981-01-04","sa":"https://sa.vidhyamitra.com/city/indore/1981-01-04","hi":"https://hi.vidhyamitra.com/city/indore/1981-01-04","x-default":"https://vidhyamitra.com/city/indore/1981-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T21:49:36.166Z","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":"2026-05-18T21:49:36.166Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T21:49:36.166Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}