{"id":"vidhyamitra:city-day:mathura:1979-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1979-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1979-01-11","date_display":"January 11, 1979 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":1979,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443884.770833,"kali_year":5080,"ahargana":1855419.2708,"sun":{"sidereal_longitude":266.552,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":61.1492,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.5973,"elapsed_within_tithi_degrees":10.5973},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.1492,"elapsed_within_degrees":7.8159},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.7012},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":1979,"month":1,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443884.770833,"ahargana":1855419.2708,"kali_year":5080,"ayanamsa_lahiri":23.56,"grahas":{"sun":{"sidereal_longitude":266.649987,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":61.73418700000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-4.5},"mars":{"sidereal_longitude":269.1992869999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":249.73868700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":101.94038699999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"venus":{"sidereal_longitude":220.21108700000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":139.99678700000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":150.9581,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.9581,"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":1979,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443884.770833,"kali_year":5080,"ahargana":1855419.2708,"sun":{"sidereal_longitude":266.552,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":61.1492,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.5973,"elapsed_within_tithi_degrees":10.5973},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.1492,"elapsed_within_degrees":7.8159},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.7012},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.5,"elongation":154.597},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.5,"opposition_distance":25.403}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:11","sunsetLocal":"17:43","solarNoonLocal":"12:27","dayLengthHours":10.526389934746,"dayLengthDisplay":"10 Hours 31 Mins 35 Secs","nightLengthDisplay":"13 Hours 28 Mins 25 Secs","moonriseLocal":"15:53","moonsetLocal":"05:42","rahuKala":{"name":"Rāhu Kāla","start":"13:46","end":"15:05","startHours":13.768993779092693,"endHours":15.084792520935943,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:11","end":"08:30","startHours":7.190000069876444,"endHours":8.505798811719693,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:49","end":"11:08","startHours":9.821597553562944,"endHours":11.137396295406194,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:00","startHours":9.646157721317177,"endHours":9.99703738580871,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.628599650490861,"endHours":7.9093033820840875,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:48","startHours":12.10231537275791,"endHours":12.804074701740976,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:29","startHours":5.7864814119103105,"endHours":6.488240740893377,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:11","startHours":6.312800908647611,"endHours":7.190000069876444,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:55","startHours":14.207593359707111,"endHours":14.909352688690179,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.516390004622444,"endHours":17.916390004622443,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:09","startHours":17.716390004622443,"endHours":18.15498958523686,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.466390004622443,"endHours":19.216390004622443,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:48","startHours":24.10231537275791,"endHours":24.804074701740976,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:11","end":"08:30","startHours":7.190000069876444,"endHours":8.505798811719693,"quality":"auspicious"},{"name":"Roga","start":"08:30","end":"09:49","startHours":8.505798811719693,"endHours":9.821597553562944,"quality":"inauspicious"},{"name":"Udveg","start":"09:49","end":"11:08","startHours":9.821597553562944,"endHours":11.137396295406194,"quality":"inauspicious"},{"name":"Chala","start":"11:08","end":"12:27","startHours":11.137396295406194,"endHours":12.453195037249444,"quality":"neutral"},{"name":"Labha","start":"12:27","end":"13:46","startHours":12.453195037249444,"endHours":13.768993779092693,"quality":"auspicious"},{"name":"Amṛta","start":"13:46","end":"15:05","startHours":13.768993779092693,"endHours":15.084792520935943,"quality":"auspicious"},{"name":"Kāla","start":"15:05","end":"16:24","startHours":15.084792520935943,"endHours":16.400591262779194,"quality":"inauspicious"},{"name":"Śubha","start":"16:24","end":"17:43","startHours":16.400591262779194,"endHours":17.716390004622443,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:43","end":"19:24","startHours":17.716390004622443,"endHours":19.400591262779194,"quality":"auspicious"},{"name":"Kāla","start":"19:24","end":"21:05","startHours":19.400591262779194,"endHours":21.08479252093594,"quality":"inauspicious"},{"name":"Śubha","start":"21:05","end":"22:46","startHours":21.08479252093594,"endHours":22.768993779092693,"quality":"auspicious"},{"name":"Roga","start":"22:46","end":"00:27","startHours":22.768993779092693,"endHours":24.453195037249444,"quality":"inauspicious"},{"name":"Udveg","start":"00:27","end":"02:08","startHours":24.453195037249444,"endHours":26.137396295406194,"quality":"inauspicious"},{"name":"Chala","start":"02:08","end":"03:49","startHours":26.137396295406194,"endHours":27.821597553562945,"quality":"neutral"},{"name":"Labha","start":"03:49","end":"05:30","startHours":27.821597553562945,"endHours":29.505798811719693,"quality":"auspicious"},{"name":"Amṛta","start":"05:30","end":"07:11","startHours":29.505798811719693,"endHours":31.190000069876444,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.190000069876444,"endHours":8.190000069876444,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.190000069876444,"endHours":9.190000069876444,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.190000069876444,"endHours":10.190000069876444,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.190000069876444,"endHours":11.190000069876444,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.190000069876444,"endHours":12.190000069876444,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.190000069876444,"endHours":13.190000069876444,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.190000069876444,"endHours":14.190000069876444,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.190000069876444,"endHours":15.190000069876444,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.190000069876444,"endHours":16.190000069876444,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.190000069876444,"endHours":17.190000069876444,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.190000069876444,"endHours":18.190000069876444,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.190000069876444,"endHours":19.190000069876444,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.190000069876444,"endHours":20.190000069876444,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.190000069876444,"endHours":21.190000069876444,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.190000069876444,"endHours":22.190000069876444,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.190000069876444,"endHours":23.190000069876444,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.190000069876444,"endHours":24.190000069876444,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.190000069876444,"endHours":25.190000069876444,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.190000069876444,"endHours":26.190000069876444,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.190000069876444,"endHours":27.190000069876444,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.190000069876444,"endHours":28.190000069876444,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.190000069876444,"endHours":29.190000069876444,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.190000069876444,"endHours":30.190000069876444,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.190000069876444,"endHours":31.190000069876444,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"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":-21.9158966601963,"eotMinutes":-7.886502234966622,"ayanamsa":23.56}},"calendars":{"vikram_samvat":2036,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1901,"saka_samvatsara":"Siddhārthī","bengali_samvat":1386,"malayalam_era":1155,"nanakshahi_year":510,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 2036 Aṅgirasa · Śaka 1901 Siddhārthī"},"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":"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":[]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 11, 1979 CE · Mathurā · Vidhyamitra","description":"January 11, 1979 CE for Mathurā: Śukla Trayodaśī, sūryodaya 07:11, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1979-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1979-01-11","sa":"https://sa.vidhyamitra.com/city/mathura/1979-01-11","hi":"https://hi.vidhyamitra.com/city/mathura/1979-01-11","x-default":"https://vidhyamitra.com/city/mathura/1979-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:55:31.967Z","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":"2026-05-14T15:55:31.967Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:55:31.967Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}