{"id":"vidhyamitra:city-day:mathura:1978-12-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1978-12-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-12-04","date_display":"December 4, 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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443846.770833,"kali_year":5080,"ahargana":1855381.2708,"sun":{"sidereal_longitude":227.5402,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":275.2616,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.7214,"elapsed_within_tithi_degrees":11.7214},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.2616,"elapsed_within_degrees":8.5949},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":142.8018},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443846.770833,"ahargana":1855381.2708,"kali_year":5080,"ayanamsa_lahiri":23.5586,"grahas":{"sun":{"sidereal_longitude":227.96803899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":278.52253900000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":3.803},"mars":{"sidereal_longitude":240.18433900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":232.747339,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":105.07903899999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":194.64153899999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":139.850839,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":152.9716,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":332.9716,"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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443846.770833,"kali_year":5080,"ahargana":1855381.2708,"sun":{"sidereal_longitude":227.5402,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":275.2616,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.7214,"elapsed_within_tithi_degrees":11.7214},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.2616,"elapsed_within_degrees":8.5949},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":142.8018},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.803,"elongation":47.721},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.803,"opposition_distance":132.279}},"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":"06:55","sunsetLocal":"17:26","solarNoonLocal":"12:10","dayLengthHours":10.50631790167921,"dayLengthDisplay":"10 Hours 30 Mins 23 Secs","nightLengthDisplay":"13 Hours 29 Mins 37 Secs","moonriseLocal":"10:13","moonsetLocal":"20:52","rahuKala":{"name":"Rāhu Kāla","start":"08:14","end":"09:33","startHours":8.232537044635244,"endHours":9.545826782345145,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:52","end":"12:10","startHours":10.859116520055046,"endHours":12.172406257764948,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:29","end":"14:48","startHours":13.485695995474849,"endHours":14.79898573318475,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:22","end":"09:43","startHours":9.370721483983825,"endHours":9.720932080706465,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:38","startHours":7.357010552828643,"endHours":7.637179030206755,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:31","startHours":11.822195661042308,"endHours":12.522616854487588,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:31","end":"06:13","startHours":5.518404920034781,"endHours":6.218826113480062,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"06:55","startHours":6.043720815118742,"endHours":6.919247306925342,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:37","startHours":13.92345924137815,"endHours":14.623880434823432,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:14","end":"17:38","startHours":17.225565208604554,"endHours":17.625565208604552,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:26","end":"17:52","startHours":17.425565208604553,"endHours":17.863328454507855,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:11","end":"18:56","startHours":17.175565208604553,"endHours":18.925565208604553,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:31","startHours":23.822195661042308,"endHours":24.522616854487588,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:55","end":"08:14","startHours":6.919247306925342,"endHours":8.232537044635244,"quality":"auspicious"},{"name":"Kāla","start":"08:14","end":"09:33","startHours":8.232537044635244,"endHours":9.545826782345145,"quality":"inauspicious"},{"name":"Śubha","start":"09:33","end":"10:52","startHours":9.545826782345145,"endHours":10.859116520055046,"quality":"auspicious"},{"name":"Roga","start":"10:52","end":"12:10","startHours":10.859116520055046,"endHours":12.172406257764948,"quality":"inauspicious"},{"name":"Udveg","start":"12:10","end":"13:29","startHours":12.172406257764948,"endHours":13.485695995474849,"quality":"inauspicious"},{"name":"Chala","start":"13:29","end":"14:48","startHours":13.485695995474849,"endHours":14.79898573318475,"quality":"neutral"},{"name":"Labha","start":"14:48","end":"16:07","startHours":14.79898573318475,"endHours":16.11227547089465,"quality":"auspicious"},{"name":"Amṛta","start":"16:07","end":"17:26","startHours":16.11227547089465,"endHours":17.425565208604553,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:26","end":"19:07","startHours":17.425565208604553,"endHours":19.11227547089465,"quality":"neutral"},{"name":"Labha","start":"19:07","end":"20:48","startHours":19.11227547089465,"endHours":20.79898573318475,"quality":"auspicious"},{"name":"Amṛta","start":"20:48","end":"22:29","startHours":20.79898573318475,"endHours":22.48569599547485,"quality":"auspicious"},{"name":"Kāla","start":"22:29","end":"00:10","startHours":22.48569599547485,"endHours":24.172406257764948,"quality":"inauspicious"},{"name":"Śubha","start":"00:10","end":"01:52","startHours":24.172406257764948,"endHours":25.859116520055046,"quality":"auspicious"},{"name":"Roga","start":"01:52","end":"03:33","startHours":25.859116520055046,"endHours":27.545826782345145,"quality":"inauspicious"},{"name":"Udveg","start":"03:33","end":"05:14","startHours":27.545826782345145,"endHours":29.232537044635244,"quality":"inauspicious"},{"name":"Chala","start":"05:14","end":"06:55","startHours":29.232537044635244,"endHours":30.919247306925342,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.919247306925342,"endHours":7.919247306925342,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.919247306925342,"endHours":8.919247306925342,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.919247306925342,"endHours":9.919247306925342,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.919247306925342,"endHours":10.919247306925342,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.919247306925342,"endHours":11.919247306925342,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.919247306925342,"endHours":12.919247306925342,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.919247306925342,"endHours":13.919247306925342,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.919247306925342,"endHours":14.919247306925342,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.919247306925342,"endHours":15.919247306925342,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.919247306925342,"endHours":16.919247306925342,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.919247306925342,"endHours":17.919247306925342,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.919247306925342,"endHours":18.919247306925342,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.919247306925342,"endHours":19.919247306925342,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.919247306925342,"endHours":20.919247306925342,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.919247306925342,"endHours":21.919247306925342,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.919247306925342,"endHours":22.919247306925342,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.919247306925342,"endHours":23.919247306925342,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.919247306925342,"endHours":24.919247306925342,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.919247306925342,"endHours":25.919247306925342,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.919247306925342,"endHours":26.919247306925342,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.919247306925342,"endHours":27.919247306925342,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.919247306925342,"endHours":28.919247306925342,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.919247306925342,"endHours":29.919247306925342,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.919247306925342,"endHours":30.919247306925342,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.16268633322879,"eotMinutes":8.960824534103129,"ayanamsa":23.5586}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturthī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 December 4, 1978 CE · Mathurā · Vidhyamitra","description":"December 4, 1978 CE for Mathurā: Śukla Caturthī, sūryodaya 06:55, sūryāsta 17:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1978-12-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1978-12-04","sa":"https://sa.vidhyamitra.com/city/mathura/1978-12-04","hi":"https://hi.vidhyamitra.com/city/mathura/1978-12-04","x-default":"https://vidhyamitra.com/city/mathura/1978-12-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:15:36.658Z","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":"2026-05-14T12:15:36.658Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T12:15:36.658Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}