{"id":"vidhyamitra:city-day:bareilly:1980-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/bareilly/1980-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-01-18","date_display":"January 18, 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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444256.770833,"kali_year":5081,"ahargana":1855791.2708,"sun":{"sidereal_longitude":273.475,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":273.8376,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.3625,"elapsed_within_tithi_degrees":0.3625},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.8376,"elapsed_within_degrees":7.1709},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.3126},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444256.770833,"ahargana":1855791.2708,"kali_year":5081,"ayanamsa_lahiri":23.5743,"grahas":{"sun":{"sidereal_longitude":273.519174,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":275.545074,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":2.7321},"mars":{"sidereal_longitude":142.033074,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":271.6943739999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":135.637474,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":309.00587399999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":153.15667399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":131.2478,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.2478,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444256.770833,"kali_year":5081,"ahargana":1855791.2708,"sun":{"sidereal_longitude":273.475,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":273.8376,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.3625,"elapsed_within_tithi_degrees":0.3625},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.8376,"elapsed_within_degrees":7.1709},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.3126},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.732,"elongation":0.363},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.732,"opposition_distance":179.637}},"eclipse_window_40days":[]},"city":{"slug":"bareilly","name":"Bareilly, Uttar Pradesh","lat":28.367,"lon":79.4304,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"bareilly","name":"Bareilly, Uttar Pradesh","lat":28.367,"lon":79.4304,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:06","sunsetLocal":"17:40","solarNoonLocal":"12:23","dayLengthHours":10.56476145273901,"dayLengthDisplay":"10 Hours 33 Mins 53 Secs","nightLengthDisplay":"13 Hours 26 Mins 07 Secs","moonriseLocal":"07:14","moonsetLocal":"17:47","rahuKala":{"name":"Rāhu Kāla","start":"11:03","end":"12:23","startHours":11.05653197810245,"endHours":12.377127159694826,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:01","end":"16:20","startHours":15.01831752287958,"endHours":16.338912704471955,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:25","end":"09:44","startHours":8.415341614917699,"endHours":9.735936796510074,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.559857438964425,"endHours":9.912016154055724,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.534944827189447,"endHours":7.816671799262488,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.024968444603527,"endHours":12.729285874786129,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:23","startHours":5.686111572960121,"endHours":6.390429003142722,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:06","startHours":6.214349645597071,"endHours":7.094746433325322,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:51","startHours":14.13792073515133,"endHours":14.84223816533393,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.459507886064333,"endHours":17.859507886064332,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:06","startHours":17.659507886064333,"endHours":18.09970627992846,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.409507886064333,"endHours":19.159507886064333,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.02496844460353,"endHours":24.72928587478613,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:06","end":"08:25","startHours":7.094746433325322,"endHours":8.415341614917699,"quality":"neutral"},{"name":"Labha","start":"08:25","end":"09:44","startHours":8.415341614917699,"endHours":9.735936796510074,"quality":"auspicious"},{"name":"Amṛta","start":"09:44","end":"11:03","startHours":9.735936796510074,"endHours":11.05653197810245,"quality":"auspicious"},{"name":"Kāla","start":"11:03","end":"12:23","startHours":11.05653197810245,"endHours":12.377127159694826,"quality":"inauspicious"},{"name":"Śubha","start":"12:23","end":"13:42","startHours":12.377127159694826,"endHours":13.697722341287204,"quality":"auspicious"},{"name":"Roga","start":"13:42","end":"15:01","startHours":13.697722341287204,"endHours":15.01831752287958,"quality":"inauspicious"},{"name":"Udveg","start":"15:01","end":"16:20","startHours":15.01831752287958,"endHours":16.338912704471955,"quality":"inauspicious"},{"name":"Chala","start":"16:20","end":"17:40","startHours":16.338912704471955,"endHours":17.659507886064333,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:40","end":"19:20","startHours":17.659507886064333,"endHours":19.338912704471955,"quality":"inauspicious"},{"name":"Udveg","start":"19:20","end":"21:01","startHours":19.338912704471955,"endHours":21.01831752287958,"quality":"inauspicious"},{"name":"Chala","start":"21:01","end":"22:42","startHours":21.01831752287958,"endHours":22.697722341287204,"quality":"neutral"},{"name":"Labha","start":"22:42","end":"00:23","startHours":22.697722341287204,"endHours":24.37712715969483,"quality":"auspicious"},{"name":"Amṛta","start":"00:23","end":"02:03","startHours":24.37712715969483,"endHours":26.056531978102452,"quality":"auspicious"},{"name":"Kāla","start":"02:03","end":"03:44","startHours":26.056531978102452,"endHours":27.735936796510074,"quality":"inauspicious"},{"name":"Śubha","start":"03:44","end":"05:25","startHours":27.735936796510074,"endHours":29.4153416149177,"quality":"auspicious"},{"name":"Roga","start":"05:25","end":"07:06","startHours":29.4153416149177,"endHours":31.094746433325323,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.094746433325322,"endHours":8.094746433325323,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.094746433325323,"endHours":9.094746433325323,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.094746433325323,"endHours":10.094746433325323,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.094746433325323,"endHours":11.094746433325323,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.094746433325323,"endHours":12.094746433325323,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.094746433325323,"endHours":13.094746433325323,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.094746433325323,"endHours":14.094746433325323,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.094746433325323,"endHours":15.094746433325323,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.094746433325323,"endHours":16.094746433325323,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.094746433325323,"endHours":17.094746433325323,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.094746433325323,"endHours":18.094746433325323,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.094746433325323,"endHours":19.094746433325323,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.094746433325323,"endHours":20.094746433325323,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.094746433325323,"endHours":21.094746433325323,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.094746433325323,"endHours":22.094746433325323,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.094746433325323,"endHours":23.094746433325323,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.094746433325323,"endHours":24.094746433325323,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.094746433325323,"endHours":25.094746433325323,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.094746433325323,"endHours":26.094746433325323,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.094746433325323,"endHours":27.094746433325323,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.094746433325323,"endHours":28.094746433325323,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.094746433325323,"endHours":29.094746433325323,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.094746433325323,"endHours":30.094746433325323,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.094746433325323,"endHours":31.094746433325323,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.737509173512066,"eotMinutes":-10.349229581689698,"ayanamsa":23.5743}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pratipada · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"magha-gupta-navratri-start","name":"Māgha Gupta Navrātri Start","name_sanskrit":"माघ गुप्त नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī (10 Mahāvidyās)","significance":"Hidden (gupta) Navrātri for advanced sādhanā of 10 Mahāvidyās.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":3}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"bareilly"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 18, 1980 CE · Bareilly, Uttar Pradesh · Vidhyamitra","description":"January 18, 1980 CE for Bareilly, Uttar Pradesh: Śukla Pratipada, sūryodaya 07:06, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/bareilly/1980-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/bareilly/1980-01-18","sa":"https://sa.vidhyamitra.com/city/bareilly/1980-01-18","hi":"https://hi.vidhyamitra.com/city/bareilly/1980-01-18","x-default":"https://vidhyamitra.com/city/bareilly/1980-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T14:24:44.186Z","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":"2026-05-18T14:24:44.186Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T14:24:44.186Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}