{"id":"vidhyamitra:city-day:ayodhya:2172-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2172-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-02-07","date_display":"February 7, 2172 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":2172,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514403.770833,"kali_year":5273,"ahargana":1925938.2708,"sun":{"sidereal_longitude":291.2046,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":76.3946,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":145.19,"elapsed_within_tithi_degrees":1.19},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":76.3946,"elapsed_within_degrees":9.7279},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.5992},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2172,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514403.770833,"ahargana":1925938.2708,"kali_year":5273,"ayanamsa_lahiri":26.2571,"grahas":{"sun":{"sidereal_longitude":291.56914299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":77.668543,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":3.9676},"mars":{"sidereal_longitude":180.253643,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":303.58134300000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":199.59084299999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":335.952243,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":319.39694299999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":14.5221,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":194.5221,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2172,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514403.770833,"kali_year":5273,"ahargana":1925938.2708,"sun":{"sidereal_longitude":291.2046,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":76.3946,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":145.19,"elapsed_within_tithi_degrees":1.19},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":76.3946,"elapsed_within_degrees":9.7279},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.5992},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.968,"elongation":145.19},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.968,"opposition_distance":34.81}},"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":"06:44","sunsetLocal":"17:47","solarNoonLocal":"12:16","dayLengthHours":11.057487069153353,"dayLengthDisplay":"11 Hours 03 Mins 27 Secs","nightLengthDisplay":"12 Hours 56 Mins 33 Secs","moonriseLocal":"15:08","moonsetLocal":"04:52","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:16","startHours":10.877174991511943,"endHours":12.259360875156112,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:01","end":"16:24","startHours":15.02373264244445,"endHours":16.40591852608862,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:07","end":"09:30","startHours":8.112803224223605,"endHours":9.494989107867774,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.310697656715217,"endHours":9.679280559020329,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:29","startHours":7.1913459684608245,"endHours":7.4862122903049135,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.890777972851,"endHours":12.627943777461224,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:15","end":"06:00","startHours":5.256285731358988,"endHours":5.993451535969211,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:44","startHours":5.809160084816655,"endHours":6.7306173405794345,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:50","startHours":14.102275386681669,"endHours":14.839441191291892,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.58810440973279,"endHours":17.988104409732788,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:15","startHours":17.78810440973279,"endHours":18.24883303761418,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.53810440973279,"endHours":19.28810440973279,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.890777972851,"endHours":24.627943777461223,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:44","end":"08:07","startHours":6.7306173405794345,"endHours":8.112803224223605,"quality":"neutral"},{"name":"Labha","start":"08:07","end":"09:30","startHours":8.112803224223605,"endHours":9.494989107867774,"quality":"auspicious"},{"name":"Amṛta","start":"09:30","end":"10:53","startHours":9.494989107867774,"endHours":10.877174991511943,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:16","startHours":10.877174991511943,"endHours":12.259360875156112,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:38","startHours":12.259360875156112,"endHours":13.641546758800281,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:01","startHours":13.641546758800281,"endHours":15.02373264244445,"quality":"inauspicious"},{"name":"Udveg","start":"15:01","end":"16:24","startHours":15.02373264244445,"endHours":16.40591852608862,"quality":"inauspicious"},{"name":"Chala","start":"16:24","end":"17:47","startHours":16.40591852608862,"endHours":17.78810440973279,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:47","end":"19:24","startHours":17.78810440973279,"endHours":19.40591852608862,"quality":"inauspicious"},{"name":"Udveg","start":"19:24","end":"21:01","startHours":19.40591852608862,"endHours":21.02373264244445,"quality":"inauspicious"},{"name":"Chala","start":"21:01","end":"22:38","startHours":21.02373264244445,"endHours":22.64154675880028,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:16","startHours":22.64154675880028,"endHours":24.259360875156112,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"01:53","startHours":24.259360875156112,"endHours":25.877174991511943,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:30","startHours":25.877174991511943,"endHours":27.494989107867774,"quality":"inauspicious"},{"name":"Śubha","start":"03:30","end":"05:07","startHours":27.494989107867774,"endHours":29.112803224223605,"quality":"auspicious"},{"name":"Roga","start":"05:07","end":"06:44","startHours":29.112803224223605,"endHours":30.730617340579435,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.7306173405794345,"endHours":7.7306173405794345,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.7306173405794345,"endHours":8.730617340579435,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.730617340579435,"endHours":9.730617340579435,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.730617340579435,"endHours":10.730617340579435,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.730617340579435,"endHours":11.730617340579435,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.730617340579435,"endHours":12.730617340579435,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.730617340579435,"endHours":13.730617340579435,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.730617340579435,"endHours":14.730617340579435,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.730617340579435,"endHours":15.730617340579435,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.730617340579435,"endHours":16.730617340579435,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.730617340579435,"endHours":17.730617340579435,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.730617340579435,"endHours":18.730617340579435,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.730617340579435,"endHours":19.730617340579435,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.730617340579435,"endHours":20.730617340579435,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.730617340579435,"endHours":21.730617340579435,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.730617340579435,"endHours":22.730617340579435,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.730617340579435,"endHours":23.730617340579435,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.730617340579435,"endHours":24.730617340579435,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.730617340579435,"endHours":25.730617340579435,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.730617340579435,"endHours":26.730617340579435,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.730617340579435,"endHours":27.730617340579435,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.730617340579435,"endHours":28.730617340579435,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.730617340579435,"endHours":29.730617340579435,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.730617340579435,"endHours":30.730617340579435,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-15.487616714570171,"eotMinutes":-14.37765250936663,"ayanamsa":26.2571}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Trayodaśī · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"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 February 7, 2172 CE · Ayodhyā · Vidhyamitra","description":"February 7, 2172 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 06:44, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2172-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2172-02-07","sa":"https://sa.vidhyamitra.com/city/ayodhya/2172-02-07","hi":"https://hi.vidhyamitra.com/city/ayodhya/2172-02-07","x-default":"https://vidhyamitra.com/city/ayodhya/2172-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T15:15:12.232Z","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":"2026-05-20T15:15:12.232Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T15:15:12.232Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}