{"id":"vidhyamitra:city-day:ayodhya:2168-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2168-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2168-02-18","date_display":"February 18, 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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512953.770833,"kali_year":5269,"ahargana":1924488.2708,"sun":{"sidereal_longitude":302.437,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":54.8845,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.4474,"elapsed_within_tithi_degrees":4.4474},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.8845,"elapsed_within_degrees":1.5511},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.3215},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":2168,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512953.770833,"ahargana":1924488.2708,"kali_year":5269,"ayanamsa_lahiri":26.2017,"grahas":{"sun":{"sidereal_longitude":302.72934399999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":53.38764400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-2.6728},"mars":{"sidereal_longitude":101.98514399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":283.29144399999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":67.471544,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":283.63694399999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":278.596944,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":91.3501,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":271.3501,"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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512953.770833,"kali_year":5269,"ahargana":1924488.2708,"sun":{"sidereal_longitude":302.437,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":54.8845,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.4474,"elapsed_within_tithi_degrees":4.4474},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.8845,"elapsed_within_degrees":1.5511},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.3215},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.673,"elongation":112.447},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.673,"opposition_distance":67.553}},"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":"06:36","sunsetLocal":"17:55","solarNoonLocal":"12:16","dayLengthHours":11.316947407075643,"dayLengthDisplay":"11 Hours 19 Mins 01 Secs","nightLengthDisplay":"12 Hours 40 Mins 59 Secs","moonriseLocal":"12:46","moonsetLocal":"02:31","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"15:05","startHours":13.674933029424459,"endHours":15.089551455308914,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:36","end":"08:01","startHours":6.601840900002182,"endHours":8.016459325886638,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:26","end":"10:51","startHours":9.431077751771094,"endHours":10.845696177655547,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:37","startHours":9.242461961653166,"endHours":9.61969354188902,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:23","startHours":7.073380375297001,"endHours":7.375165639485685,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.88308302330415,"endHours":12.637546183775859,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:51","startHours":5.092914579058763,"endHours":5.847377739530472,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:40","end":"06:36","startHours":5.658761949412545,"endHours":6.601840900002182,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:54","startHours":14.146472504719277,"endHours":14.900935665190987,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.718788307077826,"endHours":18.118788307077825,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:23","startHours":17.918788307077826,"endHours":18.390327782372644,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.668788307077826,"endHours":19.418788307077826,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.88308302330415,"endHours":24.637546183775857,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:36","end":"08:01","startHours":6.601840900002182,"endHours":8.016459325886638,"quality":"auspicious"},{"name":"Roga","start":"08:01","end":"09:26","startHours":8.016459325886638,"endHours":9.431077751771094,"quality":"inauspicious"},{"name":"Udveg","start":"09:26","end":"10:51","startHours":9.431077751771094,"endHours":10.845696177655547,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:16","startHours":10.845696177655547,"endHours":12.260314603540003,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:40","startHours":12.260314603540003,"endHours":13.674933029424459,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"15:05","startHours":13.674933029424459,"endHours":15.089551455308914,"quality":"auspicious"},{"name":"Kāla","start":"15:05","end":"16:30","startHours":15.089551455308914,"endHours":16.50416988119337,"quality":"inauspicious"},{"name":"Śubha","start":"16:30","end":"17:55","startHours":16.50416988119337,"endHours":17.918788307077826,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:55","end":"19:30","startHours":17.918788307077826,"endHours":19.50416988119337,"quality":"auspicious"},{"name":"Kāla","start":"19:30","end":"21:05","startHours":19.50416988119337,"endHours":21.089551455308914,"quality":"inauspicious"},{"name":"Śubha","start":"21:05","end":"22:40","startHours":21.089551455308914,"endHours":22.67493302942446,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:16","startHours":22.67493302942446,"endHours":24.260314603540003,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"01:51","startHours":24.260314603540003,"endHours":25.845696177655547,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:26","startHours":25.845696177655547,"endHours":27.43107775177109,"quality":"neutral"},{"name":"Labha","start":"03:26","end":"05:01","startHours":27.43107775177109,"endHours":29.016459325886636,"quality":"auspicious"},{"name":"Amṛta","start":"05:01","end":"06:36","startHours":29.016459325886636,"endHours":30.60184090000218,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.601840900002182,"endHours":7.601840900002182,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.601840900002182,"endHours":8.601840900002182,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.601840900002182,"endHours":9.601840900002182,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.601840900002182,"endHours":10.601840900002182,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.601840900002182,"endHours":11.601840900002182,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.601840900002182,"endHours":12.601840900002182,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.601840900002182,"endHours":13.601840900002182,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.601840900002182,"endHours":14.601840900002182,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.601840900002182,"endHours":15.601840900002182,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.601840900002182,"endHours":16.60184090000218,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.60184090000218,"endHours":17.60184090000218,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.60184090000218,"endHours":18.60184090000218,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.60184090000218,"endHours":19.60184090000218,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.60184090000218,"endHours":20.60184090000218,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.60184090000218,"endHours":21.60184090000218,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.60184090000218,"endHours":22.60184090000218,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.60184090000218,"endHours":23.60184090000218,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.60184090000218,"endHours":24.60184090000218,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.60184090000218,"endHours":25.60184090000218,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.60184090000218,"endHours":26.60184090000218,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.60184090000218,"endHours":27.60184090000218,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.60184090000218,"endHours":28.60184090000218,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.60184090000218,"endHours":29.60184090000218,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.60184090000218,"endHours":30.60184090000218,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-11.844574258593275,"eotMinutes":-14.434876212400278,"ayanamsa":26.2017}},"calendars":{"vikram_samvat":2225,"vikram_samvatsara":"Vṛṣa","saka_samvat":2090,"saka_samvatsara":"Vibhava","bengali_samvat":1575,"malayalam_era":1344,"nanakshahi_year":699,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Daśamī · Vikram 2225 Vṛṣa · Śaka 2090 Vibhava"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"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 18, 2168 CE · Ayodhyā · Vidhyamitra","description":"February 18, 2168 CE for Ayodhyā: Śukla Daśamī, sūryodaya 06:36, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2168-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2168-02-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2168-02-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2168-02-18","x-default":"https://vidhyamitra.com/city/ayodhya/2168-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T07:42:09.345Z","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":"2026-05-20T07:42:09.345Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T07:42:09.345Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}