{"id":"vidhyamitra:city-day:ayodhya:2168-02-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2168-02-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2168-02-21","date_display":"February 21, 2168 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":2168,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512956.770833,"kali_year":5269,"ahargana":1924491.2708,"sun":{"sidereal_longitude":305.4797,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":98.3218,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.842,"elapsed_within_tithi_degrees":8.842},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.3218,"elapsed_within_degrees":4.9884},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.8015},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2168,"month":2,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512956.770833,"ahargana":1924491.2708,"kali_year":5269,"ayanamsa_lahiri":26.2018,"grahas":{"sun":{"sidereal_longitude":305.7577289999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":96.74302899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":0.558},"mars":{"sidereal_longitude":101.038929,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":287.9908290000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":67.36572899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":287.381629,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":278.933529,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":91.1912,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":271.1912,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2168,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512956.770833,"kali_year":5269,"ahargana":1924491.2708,"sun":{"sidereal_longitude":305.4797,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":98.3218,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.842,"elapsed_within_tithi_degrees":8.842},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.3218,"elapsed_within_degrees":4.9884},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.8015},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.558,"elongation":152.842},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.558,"opposition_distance":27.158}},"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":"06:34","sunsetLocal":"17:57","solarNoonLocal":"12:15","dayLengthHours":11.391579965913287,"dayLengthDisplay":"11 Hours 23 Mins 30 Secs","nightLengthDisplay":"12 Hours 36 Mins 30 Secs","moonriseLocal":"15:35","moonsetLocal":"05:03","rahuKala":{"name":"Rāhu Kāla","start":"16:32","end":"17:57","startHours":16.528073192904756,"endHours":17.952020688643916,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:15","end":"13:41","startHours":12.256230705687273,"endHours":13.680178201426433,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:06","end":"16:32","startHours":15.104125697165594,"endHours":16.528073192904756,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.218476048110396,"endHours":9.598195380307505,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:20","startHours":7.035089887977016,"endHours":7.338865353734703,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.876511373490162,"endHours":12.635950037884383,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:02","end":"05:48","startHours":5.041563393942191,"endHours":5.80100205833641,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:34","startHours":5.611142392237855,"endHours":6.560440722730629,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:55","startHours":14.15482736667282,"endHours":14.914266031067038,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.752020688643917,"endHours":18.152020688643915,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:26","startHours":17.952020688643916,"endHours":18.426669853890303,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.702020688643916,"endHours":19.452020688643916,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.876511373490164,"endHours":24.63595003788438,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:34","end":"07:59","startHours":6.560440722730629,"endHours":7.98438821846979,"quality":"inauspicious"},{"name":"Chala","start":"07:59","end":"09:25","startHours":7.98438821846979,"endHours":9.40833571420895,"quality":"neutral"},{"name":"Labha","start":"09:25","end":"10:50","startHours":9.40833571420895,"endHours":10.832283209948113,"quality":"auspicious"},{"name":"Amṛta","start":"10:50","end":"12:15","startHours":10.832283209948113,"endHours":12.256230705687273,"quality":"auspicious"},{"name":"Kāla","start":"12:15","end":"13:41","startHours":12.256230705687273,"endHours":13.680178201426433,"quality":"inauspicious"},{"name":"Śubha","start":"13:41","end":"15:06","startHours":13.680178201426433,"endHours":15.104125697165594,"quality":"auspicious"},{"name":"Roga","start":"15:06","end":"16:32","startHours":15.104125697165594,"endHours":16.528073192904756,"quality":"inauspicious"},{"name":"Udveg","start":"16:32","end":"17:57","startHours":16.528073192904756,"endHours":17.952020688643916,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:57","end":"19:32","startHours":17.952020688643916,"endHours":19.528073192904756,"quality":"auspicious"},{"name":"Roga","start":"19:32","end":"21:06","startHours":19.528073192904756,"endHours":21.104125697165593,"quality":"inauspicious"},{"name":"Udveg","start":"21:06","end":"22:41","startHours":21.104125697165593,"endHours":22.680178201426433,"quality":"inauspicious"},{"name":"Chala","start":"22:41","end":"00:15","startHours":22.680178201426433,"endHours":24.256230705687273,"quality":"neutral"},{"name":"Labha","start":"00:15","end":"01:50","startHours":24.256230705687273,"endHours":25.832283209948113,"quality":"auspicious"},{"name":"Amṛta","start":"01:50","end":"03:25","startHours":25.832283209948113,"endHours":27.408335714208953,"quality":"auspicious"},{"name":"Kāla","start":"03:25","end":"04:59","startHours":27.408335714208953,"endHours":28.98438821846979,"quality":"inauspicious"},{"name":"Śubha","start":"04:59","end":"06:34","startHours":28.98438821846979,"endHours":30.56044072273063,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.560440722730629,"endHours":7.560440722730629,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.560440722730629,"endHours":8.560440722730629,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.560440722730629,"endHours":9.560440722730629,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.560440722730629,"endHours":10.560440722730629,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.560440722730629,"endHours":11.560440722730629,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.560440722730629,"endHours":12.560440722730629,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.560440722730629,"endHours":13.560440722730629,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.560440722730629,"endHours":14.560440722730629,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.560440722730629,"endHours":15.560440722730629,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.560440722730629,"endHours":16.56044072273063,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.56044072273063,"endHours":17.56044072273063,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.56044072273063,"endHours":18.56044072273063,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.56044072273063,"endHours":19.56044072273063,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.56044072273063,"endHours":20.56044072273063,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.56044072273063,"endHours":21.56044072273063,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.56044072273063,"endHours":22.56044072273063,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.56044072273063,"endHours":23.56044072273063,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.56044072273063,"endHours":24.56044072273063,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.56044072273063,"endHours":25.56044072273063,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.56044072273063,"endHours":26.56044072273063,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.56044072273063,"endHours":27.56044072273063,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.56044072273063,"endHours":28.56044072273063,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.56044072273063,"endHours":29.56044072273063,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.56044072273063,"endHours":30.56044072273063,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.776131198483304,"eotMinutes":-14.189842341236304,"ayanamsa":26.2018}},"calendars":{"vikram_samvat":2225,"vikram_samvatsara":"Vṛṣa","saka_samvat":2090,"saka_samvatsara":"Vibhava","bengali_samvat":1575,"malayalam_era":1344,"nanakshahi_year":699,"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":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Trayodaśī · Vikram 2225 Vṛṣa · Śaka 2090 Vibhava"},"festivals":[{"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":"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 February 21, 2168 CE · Ayodhyā · Vidhyamitra","description":"February 21, 2168 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 06:34, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2168-02-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2168-02-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2168-02-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2168-02-21","x-default":"https://vidhyamitra.com/city/ayodhya/2168-02-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:20:22.408Z","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":"2026-05-31T14:20:22.408Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:20:22.408Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}