{"id":"vidhyamitra:city-day:ayodhya:2018-04-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2018-04-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-04-15","date_display":"April 15, 2018 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":2018,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458223.770833,"kali_year":5119,"ahargana":1869758.2708,"sun":{"sidereal_longitude":1.0146,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":347.0411,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.0264,"elapsed_within_tithi_degrees":10.0264},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.0411,"elapsed_within_degrees":0.3744},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.0557},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":2018,"month":4,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458223.770833,"ahargana":1869758.2708,"kali_year":5119,"ayanamsa_lahiri":24.1084,"grahas":{"sun":{"sidereal_longitude":0.926431999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":347.892032,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-3.7221},"mars":{"sidereal_longitude":261.194932,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":340.517232,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":206.91963199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":23.878332,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":254.901932,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":111.2089,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.2089,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"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":2018,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458223.770833,"kali_year":5119,"ahargana":1869758.2708,"sun":{"sidereal_longitude":1.0146,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":347.0411,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.0264,"elapsed_within_tithi_degrees":10.0264},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.0411,"elapsed_within_degrees":0.3744},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.0557},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.722,"elongation":13.974},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.722,"opposition_distance":166.026}},"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":"05:38","sunsetLocal":"18:25","solarNoonLocal":"12:01","dayLengthHours":12.786481001876773,"dayLengthDisplay":"12 Hours 47 Mins 11 Secs","nightLengthDisplay":"11 Hours 12 Mins 49 Secs","moonriseLocal":"04:57","moonsetLocal":"17:22","rahuKala":{"name":"Rāhu Kāla","start":"16:49","end":"18:25","startHours":16.818665776667242,"endHours":18.41697590190184,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:01","end":"13:37","startHours":12.023735400963453,"endHours":13.622045526198049,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:13","end":"16:49","startHours":15.220355651432644,"endHours":16.818665776667242,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:02","startHours":8.614007133796314,"endHours":9.040223167192206,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:10","end":"06:30","startHours":6.163264941769931,"endHours":6.504237768486645,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.59751936756756,"endHours":12.449951434359345,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:56","end":"04:47","startHours":3.925630766441496,"endHours":4.778062833233281,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:34","end":"05:38","startHours":4.564954816535335,"endHours":5.630494900025066,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.154815567942915,"endHours":15.0072476347347,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.21697590190184,"endHours":18.61697590190184,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:57","startHours":18.41697590190184,"endHours":18.949745943646704,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.16697590190184,"endHours":19.91697590190184,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.59751936756756,"endHours":24.449951434359345,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:38","end":"07:14","startHours":5.630494900025066,"endHours":7.228805025259662,"quality":"inauspicious"},{"name":"Chala","start":"07:14","end":"08:50","startHours":7.228805025259662,"endHours":8.827115150494258,"quality":"neutral"},{"name":"Labha","start":"08:50","end":"10:26","startHours":8.827115150494258,"endHours":10.425425275728855,"quality":"auspicious"},{"name":"Amṛta","start":"10:26","end":"12:01","startHours":10.425425275728855,"endHours":12.023735400963453,"quality":"auspicious"},{"name":"Kāla","start":"12:01","end":"13:37","startHours":12.023735400963453,"endHours":13.622045526198049,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"15:13","startHours":13.622045526198049,"endHours":15.220355651432644,"quality":"auspicious"},{"name":"Roga","start":"15:13","end":"16:49","startHours":15.220355651432644,"endHours":16.818665776667242,"quality":"inauspicious"},{"name":"Udveg","start":"16:49","end":"18:25","startHours":16.818665776667242,"endHours":18.41697590190184,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:25","end":"19:49","startHours":18.41697590190184,"endHours":19.818665776667242,"quality":"auspicious"},{"name":"Roga","start":"19:49","end":"21:13","startHours":19.818665776667242,"endHours":21.220355651432648,"quality":"inauspicious"},{"name":"Udveg","start":"21:13","end":"22:37","startHours":21.220355651432648,"endHours":22.62204552619805,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"00:01","startHours":22.62204552619805,"endHours":24.023735400963453,"quality":"neutral"},{"name":"Labha","start":"00:01","end":"01:26","startHours":24.023735400963453,"endHours":25.425425275728855,"quality":"auspicious"},{"name":"Amṛta","start":"01:26","end":"02:50","startHours":25.425425275728855,"endHours":26.827115150494258,"quality":"auspicious"},{"name":"Kāla","start":"02:50","end":"04:14","startHours":26.827115150494258,"endHours":28.228805025259664,"quality":"inauspicious"},{"name":"Śubha","start":"04:14","end":"05:38","startHours":28.228805025259664,"endHours":29.630494900025067,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:38","end":"06:38","startHours":5.630494900025066,"endHours":6.630494900025066,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:38","end":"07:38","startHours":6.630494900025066,"endHours":7.630494900025066,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:38","end":"08:38","startHours":7.630494900025066,"endHours":8.630494900025067,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:38","end":"09:38","startHours":8.630494900025067,"endHours":9.630494900025067,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:38","end":"10:38","startHours":9.630494900025067,"endHours":10.630494900025067,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:38","end":"11:38","startHours":10.630494900025067,"endHours":11.630494900025067,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:38","end":"12:38","startHours":11.630494900025067,"endHours":12.630494900025067,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:38","end":"13:38","startHours":12.630494900025067,"endHours":13.630494900025067,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:38","end":"14:38","startHours":13.630494900025067,"endHours":14.630494900025067,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:38","end":"15:38","startHours":14.630494900025067,"endHours":15.630494900025067,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:38","end":"16:38","startHours":15.630494900025067,"endHours":16.630494900025067,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:38","end":"17:38","startHours":16.630494900025067,"endHours":17.630494900025067,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:38","end":"18:38","startHours":17.630494900025067,"endHours":18.630494900025067,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:38","end":"19:38","startHours":18.630494900025067,"endHours":19.630494900025067,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:38","end":"20:38","startHours":19.630494900025067,"endHours":20.630494900025067,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:38","end":"21:38","startHours":20.630494900025067,"endHours":21.630494900025067,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:38","end":"22:38","startHours":21.630494900025067,"endHours":22.630494900025067,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:38","end":"23:38","startHours":22.630494900025067,"endHours":23.630494900025067,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:38","end":"00:38","startHours":23.630494900025067,"endHours":24.630494900025067,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:38","end":"01:38","startHours":24.630494900025067,"endHours":25.630494900025067,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:38","end":"02:38","startHours":25.630494900025067,"endHours":26.630494900025067,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:38","end":"03:38","startHours":26.630494900025067,"endHours":27.630494900025067,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:38","end":"04:38","startHours":27.630494900025067,"endHours":28.630494900025067,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:38","end":"05:38","startHours":28.630494900025067,"endHours":29.630494900025067,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.689463590481248,"eotMinutes":-0.240124057807095,"ayanamsa":24.1084}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturdaśī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 April 15, 2018 CE · Ayodhyā · Vidhyamitra","description":"April 15, 2018 CE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 05:38, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2018-04-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2018-04-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/2018-04-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/2018-04-15","x-default":"https://vidhyamitra.com/city/ayodhya/2018-04-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:38:15.270Z","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":"2026-05-15T05:38:15.270Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:38:15.270Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}