{"id":"vidhyamitra:city-day:ayodhya:2102-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2102-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2102-02-13","date_display":"February 13, 2102 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":2102,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488842.770833,"kali_year":5203,"ahargana":1900377.2708,"sun":{"sidereal_longitude":298.4518,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":239.0088,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.5571,"elapsed_within_tithi_degrees":0.5571},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.0088,"elapsed_within_degrees":12.3422},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.4606},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2102,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488842.770833,"ahargana":1900377.2708,"kali_year":5203,"ayanamsa_lahiri":25.2795,"grahas":{"sun":{"sidereal_longitude":298.609961,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":236.66266100000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-3.4386},"mars":{"sidereal_longitude":48.89626099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":275.70386099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":233.76116100000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":250.957761,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":203.79526099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":288.8669,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":108.8669,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"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":2102,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488842.770833,"kali_year":5203,"ahargana":1900377.2708,"sun":{"sidereal_longitude":298.4518,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":239.0088,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.5571,"elapsed_within_tithi_degrees":0.5571},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.0088,"elapsed_within_degrees":12.3422},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.4606},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.439,"elongation":59.443},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.439,"opposition_distance":120.557}},"eclipse_window_40days":[{"offset_days":-10,"type":"lunar","occurs":true,"moon_latitude":0.307,"opposition_distance":2.772}]},"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":11.196081415852246,"dayLengthDisplay":"11 Hours 11 Mins 46 Secs","nightLengthDisplay":"12 Hours 48 Mins 14 Secs","moonriseLocal":"02:55","moonsetLocal":"13:21","rahuKala":{"name":"Rāhu Kāla","start":"08:04","end":"09:28","startHours":8.064528223399112,"endHours":9.464038400380643,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:52","end":"12:16","startHours":10.863548577362174,"endHours":12.263058754343703,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"15:04","startHours":13.662568931325236,"endHours":15.062079108306765,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:39","startHours":9.277437043449773,"endHours":9.650639757311513,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:26","startHours":7.131521438744758,"endHours":7.430083609834151,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.88985604048196,"endHours":12.636261468205445,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:55","startHours":5.172207190970615,"endHours":5.918612618694098,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:40","startHours":5.732011261763227,"endHours":6.665018046417581,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:53","startHours":14.129072323652412,"endHours":14.875477751375895,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.661099462269828,"endHours":18.061099462269826,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.861099462269827,"endHours":18.327602854597004,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.611099462269827,"endHours":19.361099462269827,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.889856040481963,"endHours":24.636261468205443,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:40","end":"08:04","startHours":6.665018046417581,"endHours":8.064528223399112,"quality":"auspicious"},{"name":"Kāla","start":"08:04","end":"09:28","startHours":8.064528223399112,"endHours":9.464038400380643,"quality":"inauspicious"},{"name":"Śubha","start":"09:28","end":"10:52","startHours":9.464038400380643,"endHours":10.863548577362174,"quality":"auspicious"},{"name":"Roga","start":"10:52","end":"12:16","startHours":10.863548577362174,"endHours":12.263058754343703,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:40","startHours":12.263058754343703,"endHours":13.662568931325236,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"15:04","startHours":13.662568931325236,"endHours":15.062079108306765,"quality":"neutral"},{"name":"Labha","start":"15:04","end":"16:28","startHours":15.062079108306765,"endHours":16.461589285288298,"quality":"auspicious"},{"name":"Amṛta","start":"16:28","end":"17:52","startHours":16.461589285288298,"endHours":17.861099462269827,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:52","end":"19:28","startHours":17.861099462269827,"endHours":19.461589285288298,"quality":"neutral"},{"name":"Labha","start":"19:28","end":"21:04","startHours":19.461589285288298,"endHours":21.062079108306765,"quality":"auspicious"},{"name":"Amṛta","start":"21:04","end":"22:40","startHours":21.062079108306765,"endHours":22.662568931325236,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:16","startHours":22.662568931325236,"endHours":24.263058754343703,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:52","startHours":24.263058754343703,"endHours":25.863548577362174,"quality":"auspicious"},{"name":"Roga","start":"01:52","end":"03:28","startHours":25.863548577362174,"endHours":27.464038400380645,"quality":"inauspicious"},{"name":"Udveg","start":"03:28","end":"05:04","startHours":27.464038400380645,"endHours":29.064528223399112,"quality":"inauspicious"},{"name":"Chala","start":"05:04","end":"06:40","startHours":29.064528223399112,"endHours":30.66501804641758,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.665018046417581,"endHours":7.665018046417581,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.665018046417581,"endHours":8.66501804641758,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.66501804641758,"endHours":9.66501804641758,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.66501804641758,"endHours":10.66501804641758,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.66501804641758,"endHours":11.66501804641758,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.66501804641758,"endHours":12.66501804641758,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.66501804641758,"endHours":13.66501804641758,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.66501804641758,"endHours":14.66501804641758,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.66501804641758,"endHours":15.66501804641758,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.66501804641758,"endHours":16.66501804641758,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.66501804641758,"endHours":17.66501804641758,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.66501804641758,"endHours":18.66501804641758,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.66501804641758,"endHours":19.66501804641758,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.66501804641758,"endHours":20.66501804641758,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.66501804641758,"endHours":21.66501804641758,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.66501804641758,"endHours":22.66501804641758,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.66501804641758,"endHours":23.66501804641758,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.66501804641758,"endHours":24.66501804641758,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.66501804641758,"endHours":25.66501804641758,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.66501804641758,"endHours":26.66501804641758,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.66501804641758,"endHours":27.66501804641758,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.66501804641758,"endHours":28.66501804641758,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.66501804641758,"endHours":29.66501804641758,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.66501804641758,"endHours":30.66501804641758,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"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":-13.556353256373015,"eotMinutes":-14.599525260622107,"ayanamsa":25.2795}},"calendars":{"vikram_samvat":2159,"vikram_samvatsara":"Yuva","saka_samvat":2024,"saka_samvatsara":"Dundubhi","bengali_samvat":1509,"malayalam_era":1278,"nanakshahi_year":633,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ekādaśī · Vikram 2159 Yuva · Śaka 2024 Dundubhi"},"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":"shattila-ekadashi","name":"Ṣaṭ-tilā Ekādaśī","name_sanskrit":"षट्तिला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Six uses of tila (sesame) on this Ekādaśī confer mokṣa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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, 2102 CE · Ayodhyā · Vidhyamitra","description":"February 13, 2102 CE for Ayodhyā: Kṛṣṇa Ekādaśī, sūryodaya 06:40, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2102-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2102-02-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2102-02-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2102-02-13","x-default":"https://vidhyamitra.com/city/ayodhya/2102-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T03:43:57.657Z","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":"2026-05-17T03:43:57.657Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T03:43:57.657Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}