{"id":"vidhyamitra:city-day:ayodhya:2188-04-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2188-04-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2188-04-15","date_display":"April 15, 2188 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":2188,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520315.770833,"kali_year":5289,"ahargana":1931850.2708,"sun":{"sidereal_longitude":359.0728,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":224.1378,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":225.0651,"elapsed_within_tithi_degrees":9.0651},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":224.1378,"elapsed_within_degrees":10.8045},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.2106},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2188,"month":4,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2520315.770833,"ahargana":1931850.2708,"kali_year":5289,"ayanamsa_lahiri":26.4832,"grahas":{"sun":{"sidereal_longitude":359.374761,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":226.443261,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":1.3248},"mars":{"sidereal_longitude":8.443160999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":6.517261000000019,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":325.768361,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":359.627561,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":171.647961,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":61.2759,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":241.2759,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"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":2188,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520315.770833,"kali_year":5289,"ahargana":1931850.2708,"sun":{"sidereal_longitude":359.0728,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":224.1378,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":225.0651,"elapsed_within_tithi_degrees":9.0651},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":224.1378,"elapsed_within_degrees":10.8045},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":223.2106},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.325,"elongation":134.935},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.325,"opposition_distance":45.065}},"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":"05:37","sunsetLocal":"18:26","solarNoonLocal":"12:01","dayLengthHours":12.8075250288628,"dayLengthDisplay":"12 Hours 48 Mins 27 Secs","nightLengthDisplay":"11 Hours 11 Mins 33 Secs","moonriseLocal":"21:55","moonsetLocal":"08:25","rahuKala":{"name":"Rāhu Kāla","start":"15:14","end":"16:50","startHours":15.225616658179153,"endHours":16.826557286787,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:49","end":"10:25","startHours":8.821854143747752,"endHours":10.422794772355601,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:01","end":"13:37","startHours":12.023735400963453,"endHours":13.624676029571303,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:02","startHours":8.608395393266704,"endHours":9.035312894228799,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:30","startHours":6.153619762734669,"endHours":6.4951537635043435,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.59681790000136,"endHours":12.450652901925546,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:55","end":"04:46","startHours":3.9123028826836785,"endHours":4.766137884607865,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:33","end":"05:37","startHours":4.5526791341268185,"endHours":5.619972886532052,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.15832290577392,"endHours":15.012157907698107,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.227497915394853,"endHours":18.62749791539485,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:58","startHours":18.427497915394852,"endHours":18.96114479159747,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.177497915394852,"endHours":19.927497915394852,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.59681790000136,"endHours":24.450652901925547,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:37","end":"07:13","startHours":5.619972886532052,"endHours":7.220913515139902,"quality":"inauspicious"},{"name":"Udveg","start":"07:13","end":"08:49","startHours":7.220913515139902,"endHours":8.821854143747752,"quality":"inauspicious"},{"name":"Chala","start":"08:49","end":"10:25","startHours":8.821854143747752,"endHours":10.422794772355601,"quality":"neutral"},{"name":"Labha","start":"10:25","end":"12:01","startHours":10.422794772355601,"endHours":12.023735400963453,"quality":"auspicious"},{"name":"Amṛta","start":"12:01","end":"13:37","startHours":12.023735400963453,"endHours":13.624676029571303,"quality":"auspicious"},{"name":"Kāla","start":"13:37","end":"15:14","startHours":13.624676029571303,"endHours":15.225616658179153,"quality":"inauspicious"},{"name":"Śubha","start":"15:14","end":"16:50","startHours":15.225616658179153,"endHours":16.826557286787,"quality":"auspicious"},{"name":"Roga","start":"16:50","end":"18:26","startHours":16.826557286787,"endHours":18.427497915394852,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:26","end":"19:50","startHours":18.427497915394852,"endHours":19.826557286787,"quality":"inauspicious"},{"name":"Śubha","start":"19:50","end":"21:14","startHours":19.826557286787,"endHours":21.225616658179153,"quality":"auspicious"},{"name":"Roga","start":"21:14","end":"22:37","startHours":21.225616658179153,"endHours":22.6246760295713,"quality":"inauspicious"},{"name":"Udveg","start":"22:37","end":"00:01","startHours":22.6246760295713,"endHours":24.023735400963453,"quality":"inauspicious"},{"name":"Chala","start":"00:01","end":"01:25","startHours":24.023735400963453,"endHours":25.4227947723556,"quality":"neutral"},{"name":"Labha","start":"01:25","end":"02:49","startHours":25.4227947723556,"endHours":26.82185414374775,"quality":"auspicious"},{"name":"Amṛta","start":"02:49","end":"04:13","startHours":26.82185414374775,"endHours":28.2209135151399,"quality":"auspicious"},{"name":"Kāla","start":"04:13","end":"05:37","startHours":28.2209135151399,"endHours":29.619972886532054,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:37","end":"06:37","startHours":5.619972886532052,"endHours":6.619972886532052,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:37","end":"07:37","startHours":6.619972886532052,"endHours":7.619972886532052,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:37","end":"08:37","startHours":7.619972886532052,"endHours":8.619972886532052,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:37","end":"09:37","startHours":8.619972886532052,"endHours":9.619972886532052,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:37","end":"10:37","startHours":9.619972886532052,"endHours":10.619972886532052,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:37","end":"11:37","startHours":10.619972886532052,"endHours":11.619972886532052,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:37","end":"12:37","startHours":11.619972886532052,"endHours":12.619972886532052,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:37","end":"13:37","startHours":12.619972886532052,"endHours":13.619972886532052,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:37","end":"14:37","startHours":13.619972886532052,"endHours":14.619972886532052,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:37","end":"15:37","startHours":14.619972886532052,"endHours":15.619972886532052,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:37","end":"16:37","startHours":15.619972886532052,"endHours":16.619972886532054,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:37","end":"17:37","startHours":16.619972886532054,"endHours":17.619972886532054,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:37","end":"18:37","startHours":17.619972886532054,"endHours":18.619972886532054,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:37","end":"19:37","startHours":18.619972886532054,"endHours":19.619972886532054,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:37","end":"20:37","startHours":19.619972886532054,"endHours":20.619972886532054,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:37","end":"21:37","startHours":20.619972886532054,"endHours":21.619972886532054,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:37","end":"22:37","startHours":21.619972886532054,"endHours":22.619972886532054,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:37","end":"23:37","startHours":22.619972886532054,"endHours":23.619972886532054,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:37","end":"00:37","startHours":23.619972886532054,"endHours":24.619972886532054,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:37","end":"01:37","startHours":24.619972886532054,"endHours":25.619972886532054,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:37","end":"02:37","startHours":25.619972886532054,"endHours":26.619972886532054,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:37","end":"03:37","startHours":26.619972886532054,"endHours":27.619972886532054,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:37","end":"04:37","startHours":27.619972886532054,"endHours":28.619972886532054,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:37","end":"05:37","startHours":28.619972886532054,"endHours":29.619972886532054,"planetary_lord":"Saturn"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.989499527051207,"eotMinutes":-0.240124057807095,"ayanamsa":26.4832}},"calendars":{"vikram_samvat":2245,"vikram_samvatsara":"Plava","saka_samvat":2110,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1595,"malayalam_era":1364,"nanakshahi_year":719,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Caturthī · Vikram 2245 Plava · Śaka 2110 Sarvadhāri"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 2188 CE · Ayodhyā · Vidhyamitra","description":"April 15, 2188 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 05:37, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2188-04-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2188-04-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/2188-04-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/2188-04-15","x-default":"https://vidhyamitra.com/city/ayodhya/2188-04-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T02:30:17.810Z","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":"2026-05-22T02:30:17.810Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T02:30:17.810Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}