{"id":"vidhyamitra:city-day:vrindavan:1941-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1941-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1941-01-31","date_display":"January 31, 1941 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":1941,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430025.770833,"kali_year":5042,"ahargana":1841560.2708,"sun":{"sidereal_longitude":287.9089,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":331.7173,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.8084,"elapsed_within_tithi_degrees":7.8084},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.7173,"elapsed_within_degrees":11.7173},"yoga":{"number":20,"name":"Śiva","sum_longitude":259.6262},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1941,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2430025.770833,"ahargana":1841560.2708,"kali_year":5042,"ayanamsa_lahiri":23.03,"grahas":{"sun":{"sidereal_longitude":287.757303,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":329.320703,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":1.0539},"mars":{"sidereal_longitude":235.53540299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":302.01730299999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":14.927403000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":269.227703,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":15.668803000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":165.2746,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":345.2746,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara 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":1941,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430025.770833,"kali_year":5042,"ahargana":1841560.2708,"sun":{"sidereal_longitude":287.9089,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":331.7173,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.8084,"elapsed_within_tithi_degrees":7.8084},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.7173,"elapsed_within_degrees":11.7173},"yoga":{"number":20,"name":"Śiva","sum_longitude":259.6262},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.054,"elongation":43.808},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.054,"opposition_distance":136.192}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:07","sunsetLocal":"17:59","solarNoonLocal":"12:33","dayLengthHours":10.86788365143244,"dayLengthDisplay":"10 Hours 52 Mins 04 Secs","nightLengthDisplay":"13 Hours 07 Mins 56 Secs","moonriseLocal":"09:23","moonsetLocal":"21:15","rahuKala":{"name":"Rāhu Kāla","start":"11:11","end":"12:33","startHours":11.189721019268312,"endHours":12.548206475697366,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:16","end":"16:37","startHours":15.265177388555479,"endHours":16.623662844984533,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:28","end":"09:50","startHours":8.472750106410203,"endHours":9.831235562839257,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.650104168648717,"endHours":10.012366957029798,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:51","startHours":7.567093135457499,"endHours":7.856903366162364,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:55","startHours":12.185943687316287,"endHours":12.910469264078449,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:23","startHours":5.665213496456822,"endHours":6.389739073218985,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:07","startHours":6.208607679028444,"endHours":7.1142646499811475,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:05","startHours":14.359520417602774,"endHours":15.084045994364937,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.78214830141359,"endHours":18.182148301413587,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:26","startHours":17.982148301413588,"endHours":18.43497678688994,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.732148301413588,"endHours":19.482148301413588,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:55","startHours":24.18594368731629,"endHours":24.91046926407845,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:07","end":"08:28","startHours":7.1142646499811475,"endHours":8.472750106410203,"quality":"neutral"},{"name":"Labha","start":"08:28","end":"09:50","startHours":8.472750106410203,"endHours":9.831235562839257,"quality":"auspicious"},{"name":"Amṛta","start":"09:50","end":"11:11","startHours":9.831235562839257,"endHours":11.189721019268312,"quality":"auspicious"},{"name":"Kāla","start":"11:11","end":"12:33","startHours":11.189721019268312,"endHours":12.548206475697366,"quality":"inauspicious"},{"name":"Śubha","start":"12:33","end":"13:54","startHours":12.548206475697366,"endHours":13.90669193212642,"quality":"auspicious"},{"name":"Roga","start":"13:54","end":"15:16","startHours":13.90669193212642,"endHours":15.265177388555479,"quality":"inauspicious"},{"name":"Udveg","start":"15:16","end":"16:37","startHours":15.265177388555479,"endHours":16.623662844984533,"quality":"inauspicious"},{"name":"Chala","start":"16:37","end":"17:59","startHours":16.623662844984533,"endHours":17.982148301413588,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:59","end":"19:37","startHours":17.982148301413588,"endHours":19.623662844984533,"quality":"inauspicious"},{"name":"Udveg","start":"19:37","end":"21:16","startHours":19.623662844984533,"endHours":21.26517738855548,"quality":"inauspicious"},{"name":"Chala","start":"21:16","end":"22:54","startHours":21.26517738855548,"endHours":22.90669193212642,"quality":"neutral"},{"name":"Labha","start":"22:54","end":"00:33","startHours":22.90669193212642,"endHours":24.54820647569737,"quality":"auspicious"},{"name":"Amṛta","start":"00:33","end":"02:11","startHours":24.54820647569737,"endHours":26.189721019268312,"quality":"auspicious"},{"name":"Kāla","start":"02:11","end":"03:50","startHours":26.189721019268312,"endHours":27.831235562839257,"quality":"inauspicious"},{"name":"Śubha","start":"03:50","end":"05:28","startHours":27.831235562839257,"endHours":29.472750106410203,"quality":"auspicious"},{"name":"Roga","start":"05:28","end":"07:07","startHours":29.472750106410203,"endHours":31.11426464998115,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.1142646499811475,"endHours":8.114264649981148,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.114264649981148,"endHours":9.114264649981148,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.114264649981148,"endHours":10.114264649981148,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.114264649981148,"endHours":11.114264649981148,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.114264649981148,"endHours":12.114264649981148,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.114264649981148,"endHours":13.114264649981148,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.114264649981148,"endHours":14.114264649981148,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.114264649981148,"endHours":15.114264649981148,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.114264649981148,"endHours":16.11426464998115,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.11426464998115,"endHours":17.11426464998115,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.11426464998115,"endHours":18.11426464998115,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.11426464998115,"endHours":19.11426464998115,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.11426464998115,"endHours":20.11426464998115,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.11426464998115,"endHours":21.11426464998115,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.11426464998115,"endHours":22.11426464998115,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.11426464998115,"endHours":23.11426464998115,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.11426464998115,"endHours":24.11426464998115,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.11426464998115,"endHours":25.11426464998115,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.11426464998115,"endHours":26.11426464998115,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.11426464998115,"endHours":27.11426464998115,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.11426464998115,"endHours":28.11426464998115,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.11426464998115,"endHours":29.11426464998115,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.11426464998115,"endHours":30.11426464998115,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.11426464998115,"endHours":31.11426464998115,"planetary_lord":"Mars"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.526032425090353,"eotMinutes":-13.52958854184206,"ayanamsa":23.03}},"calendars":{"vikram_samvat":1998,"vikram_samvatsara":"Jaya","saka_samvat":1863,"saka_samvatsara":"Vṛṣa","bengali_samvat":1348,"malayalam_era":1117,"nanakshahi_year":472,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 1998 Jaya · Śaka 1863 Vṛṣa"},"festivals":[{"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":"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":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 31, 1941 CE · Vṛndāvana · Vidhyamitra","description":"January 31, 1941 CE for Vṛndāvana: Śukla Caturthī, sūryodaya 07:07, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1941-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1941-01-31","sa":"https://sa.vidhyamitra.com/city/vrindavan/1941-01-31","hi":"https://hi.vidhyamitra.com/city/vrindavan/1941-01-31","x-default":"https://vidhyamitra.com/city/vrindavan/1941-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:51:44.933Z","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":"2026-05-31T20:51:44.933Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:51:44.933Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}