{"id":"vidhyamitra:city-day:vrindavan:2124-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2124-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2124-04-13","date_display":"April 13, 2124 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":2124,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496937.770833,"kali_year":5225,"ahargana":1908472.2708,"sun":{"sidereal_longitude":357.6654,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":336.2829,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.6175,"elapsed_within_tithi_degrees":2.6175},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":336.2829,"elapsed_within_degrees":2.9495},"yoga":{"number":26,"name":"Indra","sum_longitude":333.9483},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2124,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496937.770833,"ahargana":1908472.2708,"kali_year":5225,"ayanamsa_lahiri":25.5891,"grahas":{"sun":{"sidereal_longitude":357.813473,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":337.366673,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":4.0324},"mars":{"sidereal_longitude":1.5646730000000275,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":328.79357300000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":180.757073,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":26.362172999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":102.51957300000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":219.9549,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.9549,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2124,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496937.770833,"kali_year":5225,"ahargana":1908472.2708,"sun":{"sidereal_longitude":357.6654,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":336.2829,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.6175,"elapsed_within_tithi_degrees":2.6175},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":336.2829,"elapsed_within_degrees":2.9495},"yoga":{"number":26,"name":"Indra","sum_longitude":333.9483},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.032,"elongation":21.383},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.032,"opposition_distance":158.617}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:57","sunsetLocal":"18:43","solarNoonLocal":"12:20","dayLengthHours":12.766154647443457,"dayLengthDisplay":"12 Hours 45 Mins 58 Secs","nightLengthDisplay":"11 Hours 14 Mins 02 Secs","moonriseLocal":"04:53","moonsetLocal":"17:03","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:32","startHours":13.931312844758839,"endHours":15.52708217568927,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:57","end":"07:33","startHours":5.952466190106677,"endHours":7.5482355210371095,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:09","end":"10:44","startHours":9.14400485196754,"endHours":10.739774182897975,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.931235607843483,"endHours":9.356774096091598,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:49","startHours":6.484389300416821,"endHours":6.824820091015313,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:46","startHours":11.91000502558029,"endHours":12.76108200207652,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:06","startHours":4.250312237114216,"endHours":5.101389213610447,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:57","startHours":4.888619969486389,"endHours":5.952466190106677,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.463235955068981,"endHours":15.314312931565212,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:31","end":"18:55","startHours":18.518620837550134,"endHours":18.918620837550133,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:43","end":"19:15","startHours":18.718620837550134,"endHours":19.25054394786028,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:28","end":"20:13","startHours":18.468620837550134,"endHours":20.218620837550134,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:46","startHours":23.91000502558029,"endHours":24.76108200207652,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:57","end":"07:33","startHours":5.952466190106677,"endHours":7.5482355210371095,"quality":"auspicious"},{"name":"Roga","start":"07:33","end":"09:09","startHours":7.5482355210371095,"endHours":9.14400485196754,"quality":"inauspicious"},{"name":"Udveg","start":"09:09","end":"10:44","startHours":9.14400485196754,"endHours":10.739774182897975,"quality":"inauspicious"},{"name":"Chala","start":"10:44","end":"12:20","startHours":10.739774182897975,"endHours":12.335543513828405,"quality":"neutral"},{"name":"Labha","start":"12:20","end":"13:56","startHours":12.335543513828405,"endHours":13.931312844758839,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:32","startHours":13.931312844758839,"endHours":15.52708217568927,"quality":"auspicious"},{"name":"Kāla","start":"15:32","end":"17:07","startHours":15.52708217568927,"endHours":17.122851506619703,"quality":"inauspicious"},{"name":"Śubha","start":"17:07","end":"18:43","startHours":17.122851506619703,"endHours":18.718620837550134,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:43","end":"20:07","startHours":18.718620837550134,"endHours":20.122851506619703,"quality":"auspicious"},{"name":"Kāla","start":"20:07","end":"21:32","startHours":20.122851506619703,"endHours":21.52708217568927,"quality":"inauspicious"},{"name":"Śubha","start":"21:32","end":"22:56","startHours":21.52708217568927,"endHours":22.931312844758835,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:20","startHours":22.931312844758835,"endHours":24.335543513828405,"quality":"inauspicious"},{"name":"Udveg","start":"00:20","end":"01:44","startHours":24.335543513828405,"endHours":25.739774182897975,"quality":"inauspicious"},{"name":"Chala","start":"01:44","end":"03:09","startHours":25.739774182897975,"endHours":27.14400485196754,"quality":"neutral"},{"name":"Labha","start":"03:09","end":"04:33","startHours":27.14400485196754,"endHours":28.548235521037107,"quality":"auspicious"},{"name":"Amṛta","start":"04:33","end":"05:57","startHours":28.548235521037107,"endHours":29.952466190106676,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.952466190106677,"endHours":6.952466190106677,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.952466190106677,"endHours":7.952466190106677,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.952466190106677,"endHours":8.952466190106676,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.952466190106676,"endHours":9.952466190106676,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.952466190106676,"endHours":10.952466190106676,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.952466190106676,"endHours":11.952466190106676,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.952466190106676,"endHours":12.952466190106676,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.952466190106676,"endHours":13.952466190106676,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.952466190106676,"endHours":14.952466190106676,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.952466190106676,"endHours":15.952466190106676,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.952466190106676,"endHours":16.952466190106676,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.952466190106676,"endHours":17.952466190106676,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.952466190106676,"endHours":18.952466190106676,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.952466190106676,"endHours":19.952466190106676,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.952466190106676,"endHours":20.952466190106676,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.952466190106676,"endHours":21.952466190106676,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.952466190106676,"endHours":22.952466190106676,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.952466190106676,"endHours":23.952466190106676,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.952466190106676,"endHours":24.952466190106676,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.952466190106676,"endHours":25.952466190106676,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.952466190106676,"endHours":26.952466190106676,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.952466190106676,"endHours":27.952466190106676,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.952466190106676,"endHours":28.952466190106676,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.952466190106676,"endHours":29.952466190106676,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.089377473838432,"eotMinutes":-0.7698108297043191,"ayanamsa":25.5891}},"calendars":{"vikram_samvat":2181,"vikram_samvatsara":"Hemalambī","saka_samvat":2046,"saka_samvatsara":"Tāraṇa","bengali_samvat":1531,"malayalam_era":1300,"nanakshahi_year":655,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra (Adhika) Kṛṣṇa Caturdaśī · Vikram 2181 Hemalambī · Śaka 2046 Tāraṇa"},"festivals":[{"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":"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":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 13, 2124 CE · Vṛndāvana · Vidhyamitra","description":"April 13, 2124 CE for Vṛndāvana: Kṛṣṇa Caturdaśī, sūryodaya 05:57, sūryāsta 18:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2124-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2124-04-13","sa":"https://sa.vidhyamitra.com/city/vrindavan/2124-04-13","hi":"https://hi.vidhyamitra.com/city/vrindavan/2124-04-13","x-default":"https://vidhyamitra.com/city/vrindavan/2124-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:07:27.030Z","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":"2026-05-31T02:07:27.030Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:07:27.030Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}