{"id":"vidhyamitra:city-day:vrindavan:2124-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2124-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2124-04-21","date_display":"April 21, 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":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496945.770833,"kali_year":5226,"ahargana":1908480.2708,"sun":{"sidereal_longitude":5.4691,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":88.6585,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.1894,"elapsed_within_tithi_degrees":11.1894},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":88.6585,"elapsed_within_degrees":8.6585},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.1276},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496945.770833,"ahargana":1908480.2708,"kali_year":5226,"ayanamsa_lahiri":25.5894,"grahas":{"sun":{"sidereal_longitude":5.646366999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":90.11366700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-3.4013},"mars":{"sidereal_longitude":7.557067000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":336.837567,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":179.73966700000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":25.439967000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":102.63176699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":219.531,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.531,"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":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496945.770833,"kali_year":5226,"ahargana":1908480.2708,"sun":{"sidereal_longitude":5.4691,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":88.6585,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.1894,"elapsed_within_tithi_degrees":11.1894},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":88.6585,"elapsed_within_degrees":8.6585},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.1276},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.401,"elongation":83.189},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.401,"opposition_distance":96.811}},"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":"05:49","sunsetLocal":"18:47","solarNoonLocal":"12:18","dayLengthHours":12.971213868491578,"dayLengthDisplay":"12 Hours 58 Mins 16 Secs","nightLengthDisplay":"11 Hours 01 Mins 44 Secs","moonriseLocal":"11:07","moonsetLocal":"00:45","rahuKala":{"name":"Rāhu Kāla","start":"10:41","end":"12:18","startHours":10.681522785752517,"endHours":12.302924519313965,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:33","end":"17:10","startHours":15.545727986436859,"endHours":17.167129719998307,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:26","end":"09:04","startHours":7.438719318629623,"endHours":9.06012105219107,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.843934154382877,"endHours":9.276307949999262,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:42","startHours":6.357784829588658,"endHours":6.703683866081767,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:44","startHours":11.870550723697578,"endHours":12.735298314930349,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:05","end":"04:57","startHours":4.087822402602631,"endHours":4.952569993835404,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:49","startHours":4.73638309602721,"endHours":5.817317585068175,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:20","startHours":14.464793497395895,"endHours":15.329541088628668,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.588531453559753,"endHours":18.98853145355975,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:20","startHours":18.788531453559752,"endHours":19.328998698080234,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.538531453559752,"endHours":20.288531453559752,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:44","startHours":23.870550723697576,"endHours":24.735298314930347,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:49","end":"07:26","startHours":5.817317585068175,"endHours":7.438719318629623,"quality":"neutral"},{"name":"Labha","start":"07:26","end":"09:04","startHours":7.438719318629623,"endHours":9.06012105219107,"quality":"auspicious"},{"name":"Amṛta","start":"09:04","end":"10:41","startHours":9.06012105219107,"endHours":10.681522785752517,"quality":"auspicious"},{"name":"Kāla","start":"10:41","end":"12:18","startHours":10.681522785752517,"endHours":12.302924519313965,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:55","startHours":12.302924519313965,"endHours":13.92432625287541,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:33","startHours":13.92432625287541,"endHours":15.545727986436859,"quality":"inauspicious"},{"name":"Udveg","start":"15:33","end":"17:10","startHours":15.545727986436859,"endHours":17.167129719998307,"quality":"inauspicious"},{"name":"Chala","start":"17:10","end":"18:47","startHours":17.167129719998307,"endHours":18.788531453559752,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:47","end":"20:10","startHours":18.788531453559752,"endHours":20.167129719998304,"quality":"inauspicious"},{"name":"Udveg","start":"20:10","end":"21:33","startHours":20.167129719998304,"endHours":21.54572798643686,"quality":"inauspicious"},{"name":"Chala","start":"21:33","end":"22:55","startHours":21.54572798643686,"endHours":22.92432625287541,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:18","startHours":22.92432625287541,"endHours":24.30292451931396,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"01:41","startHours":24.30292451931396,"endHours":25.681522785752517,"quality":"auspicious"},{"name":"Kāla","start":"01:41","end":"03:04","startHours":25.681522785752517,"endHours":27.060121052191068,"quality":"inauspicious"},{"name":"Śubha","start":"03:04","end":"04:26","startHours":27.060121052191068,"endHours":28.438719318629623,"quality":"auspicious"},{"name":"Roga","start":"04:26","end":"05:49","startHours":28.438719318629623,"endHours":29.817317585068174,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.817317585068175,"endHours":6.817317585068175,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.817317585068175,"endHours":7.817317585068175,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.817317585068175,"endHours":8.817317585068174,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.817317585068174,"endHours":9.817317585068174,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.817317585068174,"endHours":10.817317585068174,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.817317585068174,"endHours":11.817317585068174,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.817317585068174,"endHours":12.817317585068174,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.817317585068174,"endHours":13.817317585068174,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.817317585068174,"endHours":14.817317585068174,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.817317585068174,"endHours":15.817317585068174,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.817317585068174,"endHours":16.817317585068174,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.817317585068174,"endHours":17.817317585068174,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.817317585068174,"endHours":18.817317585068174,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.817317585068174,"endHours":19.817317585068174,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.817317585068174,"endHours":20.817317585068174,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.817317585068174,"endHours":21.817317585068174,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.817317585068174,"endHours":22.817317585068174,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.817317585068174,"endHours":23.817317585068174,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.817317585068174,"endHours":24.817317585068174,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.817317585068174,"endHours":25.817317585068174,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.817317585068174,"endHours":26.817317585068174,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.817317585068174,"endHours":27.817317585068174,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.817317585068174,"endHours":28.817317585068174,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.817317585068174,"endHours":29.817317585068174,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.9025943228502,"eotMinutes":1.1873288411622274,"ayanamsa":25.5894}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Saptamī · Vikram 2181 Hemalambī · Śaka 2046 Tāraṇa"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 21, 2124 CE · Vṛndāvana · Vidhyamitra","description":"April 21, 2124 CE for Vṛndāvana: Śukla Saptamī, sūryodaya 05:49, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2124-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2124-04-21","sa":"https://sa.vidhyamitra.com/city/vrindavan/2124-04-21","hi":"https://hi.vidhyamitra.com/city/vrindavan/2124-04-21","x-default":"https://vidhyamitra.com/city/vrindavan/2124-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:07:42.398Z","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":"2026-06-02T10:07:42.398Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:07:42.398Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}