{"id":"vidhyamitra:city-day:ayodhya:2037-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2037-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2037-02-18","date_display":"February 18, 2037 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":2037,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465107.770833,"kali_year":5138,"ahargana":1876642.2708,"sun":{"sidereal_longitude":305.3755,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":339.1882,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":33.8128,"elapsed_within_tithi_degrees":9.8128},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.1882,"elapsed_within_degrees":5.8549},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.5637},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2037,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465107.770833,"ahargana":1876642.2708,"kali_year":5138,"ayanamsa_lahiri":24.3717,"grahas":{"sun":{"sidereal_longitude":305.349413,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":335.914713,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.5796},"mars":{"sidereal_longitude":257.001613,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":295.2771130000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":51.03891299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":297.0933130000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":124.56151299999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":106.4615,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":286.4615,"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":2037,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465107.770833,"kali_year":5138,"ahargana":1876642.2708,"sun":{"sidereal_longitude":305.3755,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":339.1882,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":33.8128,"elapsed_within_tithi_degrees":9.8128},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.1882,"elapsed_within_degrees":5.8549},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.5637},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.58,"elongation":33.813},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.58,"opposition_distance":146.187}},"eclipse_window_40days":[{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-1.163,"elongation":0.724}]},"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":"17:56","solarNoonLocal":"12:16","dayLengthHours":11.336282612661133,"dayLengthDisplay":"11 Hours 20 Mins 11 Secs","nightLengthDisplay":"12 Hours 39 Mins 49 Secs","moonriseLocal":"08:15","moonsetLocal":"20:21","rahuKala":{"name":"Rāhu Kāla","start":"12:16","end":"13:41","startHours":12.260314603540005,"endHours":13.677349930122647,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:01","end":"09:26","startHours":8.00920862379208,"endHours":9.426243950374722,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:51","end":"12:16","startHours":10.843279276957363,"endHours":12.260314603540005,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:37","startHours":9.23730590683037,"endHours":9.615181993919073,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:22","startHours":7.064518406070318,"endHours":7.366819275741282,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.8824385164513,"endHours":12.63819069062871,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:05","end":"05:50","startHours":5.080668948854621,"endHours":5.8364211230320295,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:39","end":"06:36","startHours":5.647483079487677,"endHours":6.592173297209438,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:54","startHours":14.149695038983527,"endHours":14.905447213160937,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.728455909870572,"endHours":18.12845590987057,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:24","startHours":17.92845590987057,"endHours":18.400801018731453,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.67845590987057,"endHours":19.42845590987057,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.8824385164513,"endHours":24.638190690628708,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:36","end":"08:01","startHours":6.592173297209438,"endHours":8.00920862379208,"quality":"auspicious"},{"name":"Amṛta","start":"08:01","end":"09:26","startHours":8.00920862379208,"endHours":9.426243950374722,"quality":"auspicious"},{"name":"Kāla","start":"09:26","end":"10:51","startHours":9.426243950374722,"endHours":10.843279276957363,"quality":"inauspicious"},{"name":"Śubha","start":"10:51","end":"12:16","startHours":10.843279276957363,"endHours":12.260314603540005,"quality":"auspicious"},{"name":"Roga","start":"12:16","end":"13:41","startHours":12.260314603540005,"endHours":13.677349930122647,"quality":"inauspicious"},{"name":"Udveg","start":"13:41","end":"15:06","startHours":13.677349930122647,"endHours":15.094385256705287,"quality":"inauspicious"},{"name":"Chala","start":"15:06","end":"16:31","startHours":15.094385256705287,"endHours":16.51142058328793,"quality":"neutral"},{"name":"Labha","start":"16:31","end":"17:56","startHours":16.51142058328793,"endHours":17.92845590987057,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:56","end":"19:31","startHours":17.92845590987057,"endHours":19.51142058328793,"quality":"inauspicious"},{"name":"Chala","start":"19:31","end":"21:06","startHours":19.51142058328793,"endHours":21.094385256705287,"quality":"neutral"},{"name":"Labha","start":"21:06","end":"22:41","startHours":21.094385256705287,"endHours":22.677349930122645,"quality":"auspicious"},{"name":"Amṛta","start":"22:41","end":"00:16","startHours":22.677349930122645,"endHours":24.260314603540003,"quality":"auspicious"},{"name":"Kāla","start":"00:16","end":"01:51","startHours":24.260314603540003,"endHours":25.84327927695736,"quality":"inauspicious"},{"name":"Śubha","start":"01:51","end":"03:26","startHours":25.84327927695736,"endHours":27.426243950374722,"quality":"auspicious"},{"name":"Roga","start":"03:26","end":"05:01","startHours":27.426243950374722,"endHours":29.00920862379208,"quality":"inauspicious"},{"name":"Udveg","start":"05:01","end":"06:36","startHours":29.00920862379208,"endHours":30.59217329720944,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.592173297209438,"endHours":7.592173297209438,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.592173297209438,"endHours":8.592173297209438,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.592173297209438,"endHours":9.592173297209438,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.592173297209438,"endHours":10.592173297209438,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.592173297209438,"endHours":11.592173297209438,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.592173297209438,"endHours":12.592173297209438,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.592173297209438,"endHours":13.592173297209438,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.592173297209438,"endHours":14.592173297209438,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.592173297209438,"endHours":15.592173297209438,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.592173297209438,"endHours":16.59217329720944,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.59217329720944,"endHours":17.59217329720944,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.59217329720944,"endHours":18.59217329720944,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.59217329720944,"endHours":19.59217329720944,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.59217329720944,"endHours":20.59217329720944,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.59217329720944,"endHours":21.59217329720944,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.59217329720944,"endHours":22.59217329720944,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.59217329720944,"endHours":23.59217329720944,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.59217329720944,"endHours":24.59217329720944,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.59217329720944,"endHours":25.59217329720944,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.59217329720944,"endHours":26.59217329720944,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.59217329720944,"endHours":27.59217329720944,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.59217329720944,"endHours":28.59217329720944,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.59217329720944,"endHours":29.59217329720944,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.59217329720944,"endHours":30.59217329720944,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-11.568565423917152,"eotMinutes":-14.434876212400278,"ayanamsa":24.3717}},"calendars":{"vikram_samvat":2094,"vikram_samvatsara":"Pramoda","saka_samvat":1959,"saka_samvatsara":"Piṅgala","bengali_samvat":1444,"malayalam_era":1213,"nanakshahi_year":568,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Tṛtīyā · Vikram 2094 Pramoda · Śaka 1959 Piṅgala"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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, 2037 CE · Ayodhyā · Vidhyamitra","description":"February 18, 2037 CE for Ayodhyā: Śukla Tṛtīyā, sūryodaya 06:36, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2037-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2037-02-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2037-02-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2037-02-18","x-default":"https://vidhyamitra.com/city/ayodhya/2037-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:39:35.193Z","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":"2026-05-15T15:39:35.193Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:39:35.193Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}