{"id":"vidhyamitra:city-day:ayodhya:1931-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1931-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1931-01-16","date_display":"January 16, 1931 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":1931,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426357.770833,"kali_year":5032,"ahargana":1837892.2708,"sun":{"sidereal_longitude":272.1191,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":240.6188,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.4997,"elapsed_within_tithi_degrees":4.4997},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.6188,"elapsed_within_degrees":0.6188},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.7379},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1931,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2426357.770833,"ahargana":1837892.2708,"kali_year":5032,"ayanamsa_lahiri":22.8897,"grahas":{"sun":{"sidereal_longitude":272.05954799999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":240.71574800000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-3.9347},"mars":{"sidereal_longitude":109.526748,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":254.08674799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":81.99904800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":227.34304799999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":262.957348,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":359.6229,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":179.6229,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":1931,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426357.770833,"kali_year":5032,"ahargana":1837892.2708,"sun":{"sidereal_longitude":272.1191,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":240.6188,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.4997,"elapsed_within_tithi_degrees":4.4997},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.6188,"elapsed_within_degrees":0.6188},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.7379},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.935,"elongation":31.5},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.935,"opposition_distance":148.5}},"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":"06:52","sunsetLocal":"17:30","solarNoonLocal":"12:11","dayLengthHours":10.634208637665722,"dayLengthDisplay":"10 Hours 38 Mins 03 Secs","nightLengthDisplay":"13 Hours 21 Mins 57 Secs","moonriseLocal":"04:53","moonsetLocal":"15:18","rahuKala":{"name":"Rāhu Kāla","start":"10:51","end":"12:11","startHours":10.852005612654747,"endHours":12.181281692362962,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:50","end":"16:10","startHours":14.839833851779392,"endHours":16.169109931487608,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:12","end":"09:31","startHours":8.193453453238316,"endHours":9.522729532946531,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.34549272231877,"endHours":9.699966343574292,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.307269400099506,"endHours":7.590848297103926,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:32","startHours":11.826808071107438,"endHours":12.535755313618486,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:09","startHours":5.446282888508005,"endHours":6.155230131019053,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:52","startHours":5.977993320391291,"endHours":6.864177373530101,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:40","startHours":13.953649798640582,"endHours":14.66259704115163,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.298386011195824,"endHours":17.698386011195822,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:56","startHours":17.498386011195823,"endHours":17.94147803776523,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.248386011195823,"endHours":18.998386011195823,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:32","startHours":23.826808071107436,"endHours":24.535755313618488,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:52","end":"08:12","startHours":6.864177373530101,"endHours":8.193453453238316,"quality":"neutral"},{"name":"Labha","start":"08:12","end":"09:31","startHours":8.193453453238316,"endHours":9.522729532946531,"quality":"auspicious"},{"name":"Amṛta","start":"09:31","end":"10:51","startHours":9.522729532946531,"endHours":10.852005612654747,"quality":"auspicious"},{"name":"Kāla","start":"10:51","end":"12:11","startHours":10.852005612654747,"endHours":12.181281692362962,"quality":"inauspicious"},{"name":"Śubha","start":"12:11","end":"13:31","startHours":12.181281692362962,"endHours":13.510557772071177,"quality":"auspicious"},{"name":"Roga","start":"13:31","end":"14:50","startHours":13.510557772071177,"endHours":14.839833851779392,"quality":"inauspicious"},{"name":"Udveg","start":"14:50","end":"16:10","startHours":14.839833851779392,"endHours":16.169109931487608,"quality":"inauspicious"},{"name":"Chala","start":"16:10","end":"17:30","startHours":16.169109931487608,"endHours":17.498386011195823,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:30","end":"19:10","startHours":17.498386011195823,"endHours":19.169109931487608,"quality":"inauspicious"},{"name":"Udveg","start":"19:10","end":"20:50","startHours":19.169109931487608,"endHours":20.839833851779392,"quality":"inauspicious"},{"name":"Chala","start":"20:50","end":"22:31","startHours":20.839833851779392,"endHours":22.510557772071177,"quality":"neutral"},{"name":"Labha","start":"22:31","end":"00:11","startHours":22.510557772071177,"endHours":24.181281692362962,"quality":"auspicious"},{"name":"Amṛta","start":"00:11","end":"01:51","startHours":24.181281692362962,"endHours":25.852005612654747,"quality":"auspicious"},{"name":"Kāla","start":"01:51","end":"03:31","startHours":25.852005612654747,"endHours":27.52272953294653,"quality":"inauspicious"},{"name":"Śubha","start":"03:31","end":"05:12","startHours":27.52272953294653,"endHours":29.193453453238316,"quality":"auspicious"},{"name":"Roga","start":"05:12","end":"06:52","startHours":29.193453453238316,"endHours":30.8641773735301,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.864177373530101,"endHours":7.864177373530101,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.864177373530101,"endHours":8.8641773735301,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.8641773735301,"endHours":9.8641773735301,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.8641773735301,"endHours":10.8641773735301,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.8641773735301,"endHours":11.8641773735301,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.8641773735301,"endHours":12.8641773735301,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.8641773735301,"endHours":13.8641773735301,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.8641773735301,"endHours":14.8641773735301,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.8641773735301,"endHours":15.8641773735301,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.8641773735301,"endHours":16.8641773735301,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.8641773735301,"endHours":17.8641773735301,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.8641773735301,"endHours":18.8641773735301,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.8641773735301,"endHours":19.8641773735301,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.8641773735301,"endHours":20.8641773735301,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.8641773735301,"endHours":21.8641773735301,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.8641773735301,"endHours":22.8641773735301,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.8641773735301,"endHours":23.8641773735301,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.8641773735301,"endHours":24.8641773735301,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.8641773735301,"endHours":25.8641773735301,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.8641773735301,"endHours":26.8641773735301,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.8641773735301,"endHours":27.8641773735301,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.8641773735301,"endHours":28.8641773735301,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.8641773735301,"endHours":29.8641773735301,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.8641773735301,"endHours":30.8641773735301,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.138079221073102,"eotMinutes":-9.692901541777706,"ayanamsa":22.8897}},"calendars":{"vikram_samvat":1988,"vikram_samvatsara":"Tāraṇa","saka_samvat":1853,"saka_samvatsara":"Prajāpati","bengali_samvat":1338,"malayalam_era":1107,"nanakshahi_year":462,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Trayodaśī · Vikram 1988 Tāraṇa · Śaka 1853 Prajāpati"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"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":"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":"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 16, 1931 CE · Ayodhyā · Vidhyamitra","description":"January 16, 1931 CE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 06:52, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1931-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1931-01-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/1931-01-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/1931-01-16","x-default":"https://vidhyamitra.com/city/ayodhya/1931-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T13:31:35.101Z","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":"2026-05-24T13:31:35.101Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T13:31:35.101Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}