{"id":"vidhyamitra:city-day:mathura:1923-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1923-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1923-01-04","date_display":"January 4, 1923 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":1923,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423423.770833,"kali_year":5024,"ahargana":1834958.2708,"sun":{"sidereal_longitude":259.8611,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":90.3249,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.4638,"elapsed_within_tithi_degrees":10.4638},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.3249,"elapsed_within_degrees":10.3249},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":350.186},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":1923,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2423423.770833,"ahargana":1834958.2708,"kali_year":5024,"ayanamsa_lahiri":22.7775,"grahas":{"sun":{"sidereal_longitude":259.88424800000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":91.72224799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-4.0695},"mars":{"sidereal_longitude":325.56854799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":276.944248,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":202.21034799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":219.217448,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":177.025848,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":155.0804,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.0804,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":1923,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423423.770833,"kali_year":5024,"ahargana":1834958.2708,"sun":{"sidereal_longitude":259.8611,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":90.3249,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.4638,"elapsed_within_tithi_degrees":10.4638},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.3249,"elapsed_within_degrees":10.3249},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":350.186},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.069,"elongation":169.536},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.069,"opposition_distance":10.464}},"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":"17:38","solarNoonLocal":"12:24","dayLengthHours":10.451329944201822,"dayLengthDisplay":"10 Hours 27 Mins 05 Secs","nightLengthDisplay":"13 Hours 32 Mins 55 Secs","moonriseLocal":"18:22","moonsetLocal":"08:01","rahuKala":{"name":"Rāhu Kāla","start":"13:43","end":"15:01","startHours":13.711901357447665,"endHours":15.018317600472892,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:11","end":"08:29","startHours":7.179820142321526,"endHours":8.486236385346754,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:48","end":"11:06","startHours":9.792652628371982,"endHours":11.09906887139721,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:58","startHours":9.61846379596862,"endHours":9.966841460775345,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.615292223329936,"endHours":7.893994355175318,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:45","startHours":12.057107449615708,"endHours":12.753862779229165,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:29","startHours":5.786309483094617,"endHours":6.483064812708072,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:11","startHours":6.308875980304708,"endHours":7.179820142321526,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:51","startHours":14.147373438456075,"endHours":14.84412876806953,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.43115008652335,"endHours":17.831150086523348,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:04","startHours":17.63115008652335,"endHours":18.066622167531758,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.38115008652335,"endHours":19.13115008652335,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:45","startHours":24.05710744961571,"endHours":24.753862779229163,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:11","end":"08:29","startHours":7.179820142321526,"endHours":8.486236385346754,"quality":"auspicious"},{"name":"Roga","start":"08:29","end":"09:48","startHours":8.486236385346754,"endHours":9.792652628371982,"quality":"inauspicious"},{"name":"Udveg","start":"09:48","end":"11:06","startHours":9.792652628371982,"endHours":11.09906887139721,"quality":"inauspicious"},{"name":"Chala","start":"11:06","end":"12:24","startHours":11.09906887139721,"endHours":12.405485114422437,"quality":"neutral"},{"name":"Labha","start":"12:24","end":"13:43","startHours":12.405485114422437,"endHours":13.711901357447665,"quality":"auspicious"},{"name":"Amṛta","start":"13:43","end":"15:01","startHours":13.711901357447665,"endHours":15.018317600472892,"quality":"auspicious"},{"name":"Kāla","start":"15:01","end":"16:19","startHours":15.018317600472892,"endHours":16.324733843498123,"quality":"inauspicious"},{"name":"Śubha","start":"16:19","end":"17:38","startHours":16.324733843498123,"endHours":17.63115008652335,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:38","end":"19:19","startHours":17.63115008652335,"endHours":19.32473384349812,"quality":"auspicious"},{"name":"Kāla","start":"19:19","end":"21:01","startHours":19.32473384349812,"endHours":21.018317600472894,"quality":"inauspicious"},{"name":"Śubha","start":"21:01","end":"22:43","startHours":21.018317600472894,"endHours":22.711901357447665,"quality":"auspicious"},{"name":"Roga","start":"22:43","end":"00:24","startHours":22.711901357447665,"endHours":24.405485114422437,"quality":"inauspicious"},{"name":"Udveg","start":"00:24","end":"02:06","startHours":24.405485114422437,"endHours":26.099068871397208,"quality":"inauspicious"},{"name":"Chala","start":"02:06","end":"03:48","startHours":26.099068871397208,"endHours":27.792652628371982,"quality":"neutral"},{"name":"Labha","start":"03:48","end":"05:29","startHours":27.792652628371982,"endHours":29.486236385346754,"quality":"auspicious"},{"name":"Amṛta","start":"05:29","end":"07:11","startHours":29.486236385346754,"endHours":31.179820142321525,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.179820142321526,"endHours":8.179820142321526,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.179820142321526,"endHours":9.179820142321526,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.179820142321526,"endHours":10.179820142321526,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.179820142321526,"endHours":11.179820142321526,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.179820142321526,"endHours":12.179820142321526,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.179820142321526,"endHours":13.179820142321526,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.179820142321526,"endHours":14.179820142321526,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.179820142321526,"endHours":15.179820142321526,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.179820142321526,"endHours":16.179820142321525,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.179820142321525,"endHours":17.179820142321525,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.179820142321525,"endHours":18.179820142321525,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.179820142321525,"endHours":19.179820142321525,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.179820142321525,"endHours":20.179820142321525,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.179820142321525,"endHours":21.179820142321525,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.179820142321525,"endHours":22.179820142321525,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.179820142321525,"endHours":23.179820142321525,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.179820142321525,"endHours":24.179820142321525,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.179820142321525,"endHours":25.179820142321525,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.179820142321525,"endHours":26.179820142321525,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.179820142321525,"endHours":27.179820142321525,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.179820142321525,"endHours":28.179820142321525,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.179820142321525,"endHours":29.179820142321525,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.179820142321525,"endHours":30.179820142321525,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.179820142321525,"endHours":31.179820142321525,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","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":-22.833843512350402,"eotMinutes":-5.02390686534617,"ayanamsa":22.7775}},"calendars":{"vikram_samvat":1980,"vikram_samvatsara":"Dhātṛ","saka_samvat":1845,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1330,"malayalam_era":1099,"nanakshahi_year":454,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Pratipada · Vikram 1980 Dhātṛ · Śaka 1845 Rudhirodgāri"},"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}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 4, 1923 CE · Mathurā · Vidhyamitra","description":"January 4, 1923 CE for Mathurā: Kṛṣṇa Pratipada, sūryodaya 07:11, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1923-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1923-01-04","sa":"https://sa.vidhyamitra.com/city/mathura/1923-01-04","hi":"https://hi.vidhyamitra.com/city/mathura/1923-01-04","x-default":"https://vidhyamitra.com/city/mathura/1923-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T14:50:33.817Z","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":"2026-05-14T14:50:33.817Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T14:50:33.817Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}