{"id":"vidhyamitra:city-day:ayodhya:2301-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2301-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2301-02-18","date_display":"February 18, 2301 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":2301,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2561530.770833,"kali_year":5402,"ahargana":1973065.2708,"sun":{"sidereal_longitude":299.9845,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":40.6571,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.6726,"elapsed_within_tithi_degrees":4.6726},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":40.6571,"elapsed_within_degrees":0.6571},"yoga":{"number":26,"name":"Indra","sum_longitude":340.6415},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2301,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2561530.770833,"ahargana":1973065.2708,"kali_year":5402,"ayanamsa_lahiri":28.0595,"grahas":{"sun":{"sidereal_longitude":300.599245,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":38.916245,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":0.247},"mars":{"sidereal_longitude":342.974745,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":297.187945,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":153.328845,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":308.31784500000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":106.71794499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":37.5069,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":217.5069,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2301,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2561530.770833,"kali_year":5402,"ahargana":1973065.2708,"sun":{"sidereal_longitude":299.9845,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":40.6571,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.6726,"elapsed_within_tithi_degrees":4.6726},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":40.6571,"elapsed_within_degrees":0.6571},"yoga":{"number":26,"name":"Indra","sum_longitude":340.6415},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.247,"elongation":100.673},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.247,"opposition_distance":79.327}},"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":11.310306617770959,"dayLengthDisplay":"11 Hours 18 Mins 37 Secs","nightLengthDisplay":"12 Hours 41 Mins 23 Secs","moonriseLocal":"12:00","moonsetLocal":"01:38","rahuKala":{"name":"Rāhu Kāla","start":"08:01","end":"09:26","startHours":8.018949621875894,"endHours":9.432737949097264,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:51","end":"12:16","startHours":10.846526276318635,"endHours":12.260314603540003,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"15:05","startHours":13.674102930761375,"endHours":15.087891257982744,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:37","startHours":9.244232838801082,"endHours":9.621243059393446,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:05","end":"07:23","startHours":7.076424070394982,"endHours":7.378032246868874,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.883304382947639,"endHours":12.63732482413237,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:51","startHours":5.097120412285063,"endHours":5.851140853469794,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:40","end":"06:36","startHours":5.662635743173611,"endHours":6.605161294654525,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:54","startHours":14.145365706501831,"endHours":14.899386147686561,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.715467912425485,"endHours":18.115467912425483,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:23","startHours":17.915467912425484,"endHours":18.38673068816594,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.665467912425484,"endHours":19.415467912425484,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.88330438294764,"endHours":24.637324824132367,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:36","end":"08:01","startHours":6.605161294654525,"endHours":8.018949621875894,"quality":"auspicious"},{"name":"Kāla","start":"08:01","end":"09:26","startHours":8.018949621875894,"endHours":9.432737949097264,"quality":"inauspicious"},{"name":"Śubha","start":"09:26","end":"10:51","startHours":9.432737949097264,"endHours":10.846526276318635,"quality":"auspicious"},{"name":"Roga","start":"10:51","end":"12:16","startHours":10.846526276318635,"endHours":12.260314603540003,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:40","startHours":12.260314603540003,"endHours":13.674102930761375,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"15:05","startHours":13.674102930761375,"endHours":15.087891257982744,"quality":"neutral"},{"name":"Labha","start":"15:05","end":"16:30","startHours":15.087891257982744,"endHours":16.501679585204112,"quality":"auspicious"},{"name":"Amṛta","start":"16:30","end":"17:55","startHours":16.501679585204112,"endHours":17.915467912425484,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:55","end":"19:30","startHours":17.915467912425484,"endHours":19.501679585204116,"quality":"neutral"},{"name":"Labha","start":"19:30","end":"21:05","startHours":19.501679585204116,"endHours":21.087891257982744,"quality":"auspicious"},{"name":"Amṛta","start":"21:05","end":"22:40","startHours":21.087891257982744,"endHours":22.674102930761375,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:16","startHours":22.674102930761375,"endHours":24.260314603540003,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:51","startHours":24.260314603540003,"endHours":25.846526276318635,"quality":"auspicious"},{"name":"Roga","start":"01:51","end":"03:26","startHours":25.846526276318635,"endHours":27.432737949097266,"quality":"inauspicious"},{"name":"Udveg","start":"03:26","end":"05:01","startHours":27.432737949097266,"endHours":29.018949621875898,"quality":"inauspicious"},{"name":"Chala","start":"05:01","end":"06:36","startHours":29.018949621875898,"endHours":30.605161294654526,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.605161294654525,"endHours":7.605161294654525,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.605161294654525,"endHours":8.605161294654526,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.605161294654526,"endHours":9.605161294654526,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.605161294654526,"endHours":10.605161294654526,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.605161294654526,"endHours":11.605161294654526,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.605161294654526,"endHours":12.605161294654526,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.605161294654526,"endHours":13.605161294654526,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.605161294654526,"endHours":14.605161294654526,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.605161294654526,"endHours":15.605161294654526,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.605161294654526,"endHours":16.605161294654526,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.605161294654526,"endHours":17.605161294654526,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.605161294654526,"endHours":18.605161294654526,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.605161294654526,"endHours":19.605161294654526,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.605161294654526,"endHours":20.605161294654526,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.605161294654526,"endHours":21.605161294654526,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.605161294654526,"endHours":22.605161294654526,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.605161294654526,"endHours":23.605161294654526,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.605161294654526,"endHours":24.605161294654526,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.605161294654526,"endHours":25.605161294654526,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.605161294654526,"endHours":26.605161294654526,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.605161294654526,"endHours":27.605161294654526,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.605161294654526,"endHours":28.605161294654526,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.605161294654526,"endHours":29.605161294654526,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.605161294654526,"endHours":30.605161294654526,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.939238649326976,"eotMinutes":-14.434876212400278,"ayanamsa":28.0595}},"calendars":{"vikram_samvat":2358,"vikram_samvatsara":"Jaya","saka_samvat":2223,"saka_samvatsara":"Vṛṣa","bengali_samvat":1708,"malayalam_era":1477,"nanakshahi_year":832,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","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":"Phālguna Śukla Navamī · Vikram 2358 Jaya · Śaka 2223 Vṛṣa"},"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_ingress":"Kumbha"},"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 18, 2301 CE · Ayodhyā · Vidhyamitra","description":"February 18, 2301 CE for Ayodhyā: Śukla Navamī, sūryodaya 06:36, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2301-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2301-02-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2301-02-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2301-02-18","x-default":"https://vidhyamitra.com/city/ayodhya/2301-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:35:41.227Z","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":"2026-06-02T13:35:41.227Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:35:41.227Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}