{"id":"vidhyamitra:city-day:ayodhya:1751-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1751-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1751-01-31","date_display":"January 31, 1751 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":1751,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2360629.770833,"kali_year":4852,"ahargana":1772164.2708,"sun":{"sidereal_longitude":291.1398,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":336.9149,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.7752,"elapsed_within_tithi_degrees":9.7752},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":336.9149,"elapsed_within_degrees":3.5816},"yoga":{"number":21,"name":"Siddha","sum_longitude":268.0547},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1751,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2360629.770833,"ahargana":1772164.2708,"kali_year":4852,"ayanamsa_lahiri":20.3758,"grahas":{"sun":{"sidereal_longitude":290.527641,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":337.53794100000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":4.4848},"mars":{"sidereal_longitude":234.89424099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":311.76174100000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":11.236340999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":297.815741,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":233.884641,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":242.2087,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":62.2087,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"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":1751,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2360629.770833,"kali_year":4852,"ahargana":1772164.2708,"sun":{"sidereal_longitude":291.1398,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":336.9149,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.7752,"elapsed_within_tithi_degrees":9.7752},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":336.9149,"elapsed_within_degrees":3.5816},"yoga":{"number":21,"name":"Siddha","sum_longitude":268.0547},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.485,"elongation":45.775},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.485,"opposition_distance":134.225}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:47","sunsetLocal":"17:42","solarNoonLocal":"12:15","dayLengthHours":10.910518160681157,"dayLengthDisplay":"10 Hours 54 Mins 38 Secs","nightLengthDisplay":"13 Hours 05 Mins 22 Secs","moonriseLocal":"09:22","moonsetLocal":"21:24","rahuKala":{"name":"Rāhu Kāla","start":"16:20","end":"17:42","startHours":16.3366707859528,"endHours":17.700485556037947,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.609041245782514,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:58","end":"16:20","startHours":14.972856015867658,"endHours":16.3366707859528,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.335754966182392,"endHours":9.699438904871766,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:32","startHours":7.244572318718505,"endHours":7.535519469670002,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.881542537007997,"endHours":12.60891041438674,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:04","startHours":5.335231640599302,"endHours":6.062599517978046,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:47","startHours":5.88075754863336,"endHours":6.78996739535679,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:47","startHours":14.063646169144228,"endHours":14.791014046522971,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.500485556037948,"endHours":17.900485556037946,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:09","startHours":17.700485556037947,"endHours":18.15509047939966,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.450485556037947,"endHours":19.200485556037947,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.881542537007995,"endHours":24.60891041438674,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:47","end":"08:09","startHours":6.78996739535679,"endHours":8.153782165441935,"quality":"inauspicious"},{"name":"Chala","start":"08:09","end":"09:31","startHours":8.153782165441935,"endHours":9.517596935527079,"quality":"neutral"},{"name":"Labha","start":"09:31","end":"10:53","startHours":9.517596935527079,"endHours":10.881411705612223,"quality":"auspicious"},{"name":"Amṛta","start":"10:53","end":"12:15","startHours":10.881411705612223,"endHours":12.245226475697368,"quality":"auspicious"},{"name":"Kāla","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.609041245782514,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"14:58","startHours":13.609041245782514,"endHours":14.972856015867658,"quality":"auspicious"},{"name":"Roga","start":"14:58","end":"16:20","startHours":14.972856015867658,"endHours":16.3366707859528,"quality":"inauspicious"},{"name":"Udveg","start":"16:20","end":"17:42","startHours":16.3366707859528,"endHours":17.700485556037947,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:42","end":"19:20","startHours":17.700485556037947,"endHours":19.3366707859528,"quality":"auspicious"},{"name":"Roga","start":"19:20","end":"20:58","startHours":19.3366707859528,"endHours":20.972856015867656,"quality":"inauspicious"},{"name":"Udveg","start":"20:58","end":"22:37","startHours":20.972856015867656,"endHours":22.609041245782514,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"00:15","startHours":22.609041245782514,"endHours":24.24522647569737,"quality":"neutral"},{"name":"Labha","start":"00:15","end":"01:53","startHours":24.24522647569737,"endHours":25.881411705612223,"quality":"auspicious"},{"name":"Amṛta","start":"01:53","end":"03:31","startHours":25.881411705612223,"endHours":27.51759693552708,"quality":"auspicious"},{"name":"Kāla","start":"03:31","end":"05:09","startHours":27.51759693552708,"endHours":29.153782165441935,"quality":"inauspicious"},{"name":"Śubha","start":"05:09","end":"06:47","startHours":29.153782165441935,"endHours":30.78996739535679,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.78996739535679,"endHours":7.78996739535679,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.78996739535679,"endHours":8.78996739535679,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.78996739535679,"endHours":9.78996739535679,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.78996739535679,"endHours":10.78996739535679,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.78996739535679,"endHours":11.78996739535679,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.78996739535679,"endHours":12.78996739535679,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.78996739535679,"endHours":13.78996739535679,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.78996739535679,"endHours":14.78996739535679,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.78996739535679,"endHours":15.78996739535679,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.78996739535679,"endHours":16.78996739535679,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.78996739535679,"endHours":17.78996739535679,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.78996739535679,"endHours":18.78996739535679,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.78996739535679,"endHours":19.78996739535679,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.78996739535679,"endHours":20.78996739535679,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.78996739535679,"endHours":21.78996739535679,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.78996739535679,"endHours":22.78996739535679,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.78996739535679,"endHours":23.78996739535679,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.78996739535679,"endHours":24.78996739535679,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.78996739535679,"endHours":25.78996739535679,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.78996739535679,"endHours":26.78996739535679,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.78996739535679,"endHours":27.78996739535679,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.78996739535679,"endHours":28.78996739535679,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.78996739535679,"endHours":29.78996739535679,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.78996739535679,"endHours":30.78996739535679,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.494354180127452,"eotMinutes":-13.52958854184206,"ayanamsa":20.3758}},"calendars":{"vikram_samvat":1808,"vikram_samvatsara":"Tāraṇa","saka_samvat":1673,"saka_samvatsara":"Prajāpati","bengali_samvat":1158,"malayalam_era":927,"nanakshahi_year":282,"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 1808 Tāraṇa · Śaka 1673 Prajāpati"},"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"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, 1751 CE · Ayodhyā · Vidhyamitra","description":"January 31, 1751 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:47, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1751-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1751-01-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/1751-01-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/1751-01-31","x-default":"https://vidhyamitra.com/city/ayodhya/1751-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:40:16.962Z","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":"2026-05-31T06:40:16.962Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:40:16.962Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}