{"id":"vidhyamitra:city-day:ayodhya:2279-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2279-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2279-02-13","date_display":"February 13, 2279 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":2279,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2553490.770833,"kali_year":5380,"ahargana":1965025.2708,"sun":{"sidereal_longitude":295.6019,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":309.7407,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.1388,"elapsed_within_tithi_degrees":2.1388},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.7407,"elapsed_within_degrees":3.0741},"yoga":{"number":19,"name":"Parigha","sum_longitude":245.3427},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":2279,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2553490.770833,"ahargana":1965025.2708,"kali_year":5380,"ayanamsa_lahiri":27.752,"grahas":{"sun":{"sidereal_longitude":296.189432,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":309.861632,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":-1.9877},"mars":{"sidereal_longitude":115.62273199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":266.867832,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":205.30613199999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":335.119932,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":205.19793200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":103.5048,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":283.5048,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2279,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2553490.770833,"kali_year":5380,"ahargana":1965025.2708,"sun":{"sidereal_longitude":295.6019,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":309.7407,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":14.1388,"elapsed_within_tithi_degrees":2.1388},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.7407,"elapsed_within_degrees":3.0741},"yoga":{"number":19,"name":"Parigha","sum_longitude":245.3427},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.988,"elongation":14.139},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.988,"opposition_distance":165.861}},"eclipse_window_40days":[{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-0.934,"elongation":0.967}]},"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":"06:40","sunsetLocal":"17:52","solarNoonLocal":"12:16","dayLengthHours":11.197303359266279,"dayLengthDisplay":"11 Hours 11 Mins 50 Secs","nightLengthDisplay":"12 Hours 48 Mins 10 Secs","moonriseLocal":"07:26","moonsetLocal":"18:55","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"15:04","startHours":13.662721674251987,"endHours":15.062384594160271,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:40","end":"08:04","startHours":6.664407074710563,"endHours":8.064069994618848,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:28","end":"10:52","startHours":9.463732914527132,"endHours":10.863395834435417,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:39","startHours":9.277111191872695,"endHours":9.65035463718157,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:26","startHours":7.1309613813466575,"endHours":7.429556137593758,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.889815309034827,"endHours":12.63630219965258,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:55","startHours":5.171433293475059,"endHours":5.917920184092811,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:40","startHours":5.731298461438373,"endHours":6.664407074710563,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:53","startHours":14.129275980888082,"endHours":14.875762871505833,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.661710433976843,"endHours":18.06171043397684,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.861710433976842,"endHours":18.328264740612937,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.611710433976842,"endHours":19.361710433976842,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.889815309034827,"endHours":24.63630219965258,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:40","end":"08:04","startHours":6.664407074710563,"endHours":8.064069994618848,"quality":"auspicious"},{"name":"Roga","start":"08:04","end":"09:28","startHours":8.064069994618848,"endHours":9.463732914527132,"quality":"inauspicious"},{"name":"Udveg","start":"09:28","end":"10:52","startHours":9.463732914527132,"endHours":10.863395834435417,"quality":"inauspicious"},{"name":"Chala","start":"10:52","end":"12:16","startHours":10.863395834435417,"endHours":12.263058754343703,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:40","startHours":12.263058754343703,"endHours":13.662721674251987,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"15:04","startHours":13.662721674251987,"endHours":15.062384594160271,"quality":"auspicious"},{"name":"Kāla","start":"15:04","end":"16:28","startHours":15.062384594160271,"endHours":16.46204751406856,"quality":"inauspicious"},{"name":"Śubha","start":"16:28","end":"17:52","startHours":16.46204751406856,"endHours":17.861710433976842,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:52","end":"19:28","startHours":17.861710433976842,"endHours":19.46204751406856,"quality":"auspicious"},{"name":"Kāla","start":"19:28","end":"21:04","startHours":19.46204751406856,"endHours":21.06238459416027,"quality":"inauspicious"},{"name":"Śubha","start":"21:04","end":"22:40","startHours":21.06238459416027,"endHours":22.662721674251987,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:16","startHours":22.662721674251987,"endHours":24.263058754343703,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"01:52","startHours":24.263058754343703,"endHours":25.86339583443542,"quality":"inauspicious"},{"name":"Chala","start":"01:52","end":"03:28","startHours":25.86339583443542,"endHours":27.463732914527135,"quality":"neutral"},{"name":"Labha","start":"03:28","end":"05:04","startHours":27.463732914527135,"endHours":29.064069994618848,"quality":"auspicious"},{"name":"Amṛta","start":"05:04","end":"06:40","startHours":29.064069994618848,"endHours":30.664407074710564,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.664407074710563,"endHours":7.664407074710563,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.664407074710563,"endHours":8.664407074710564,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.664407074710564,"endHours":9.664407074710564,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.664407074710564,"endHours":10.664407074710564,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.664407074710564,"endHours":11.664407074710564,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.664407074710564,"endHours":12.664407074710564,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.664407074710564,"endHours":13.664407074710564,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.664407074710564,"endHours":14.664407074710564,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.664407074710564,"endHours":15.664407074710564,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.664407074710564,"endHours":16.664407074710564,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.664407074710564,"endHours":17.664407074710564,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.664407074710564,"endHours":18.664407074710564,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.664407074710564,"endHours":19.664407074710564,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.664407074710564,"endHours":20.664407074710564,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.664407074710564,"endHours":21.664407074710564,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.664407074710564,"endHours":22.664407074710564,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.664407074710564,"endHours":23.664407074710564,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.664407074710564,"endHours":24.664407074710564,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.664407074710564,"endHours":25.664407074710564,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.664407074710564,"endHours":26.664407074710564,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.664407074710564,"endHours":27.664407074710564,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.664407074710564,"endHours":28.664407074710564,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.664407074710564,"endHours":29.664407074710564,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.664407074710564,"endHours":30.664407074710564,"planetary_lord":"Moon"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","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":-13.539170258592394,"eotMinutes":-14.599525260622107,"ayanamsa":27.752}},"calendars":{"vikram_samvat":2336,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2201,"saka_samvatsara":"Siddhārthī","bengali_samvat":1686,"malayalam_era":1455,"nanakshahi_year":810,"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 Dvitīyā · Vikram 2336 Aṅgirasa · Śaka 2201 Siddhārthī"},"festivals":[],"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":[]},"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 13, 2279 CE · Ayodhyā · Vidhyamitra","description":"February 13, 2279 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:40, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2279-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2279-02-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2279-02-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2279-02-13","x-default":"https://vidhyamitra.com/city/ayodhya/2279-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:50:05.916Z","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":"2026-05-31T23:50:05.916Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:50:05.916Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}