{"id":"vidhyamitra:city-day:vrindavan:1815-04-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1815-04-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-04-23","date_display":"April 23, 1815 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":1815,"month":4,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384086.770833,"kali_year":4917,"ahargana":1795621.2708,"sun":{"sidereal_longitude":11.252,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":184.3706,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.1186,"elapsed_within_tithi_degrees":5.1186},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.3706,"elapsed_within_degrees":11.0373},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.6227},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":1815,"month":4,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384086.770833,"ahargana":1795621.2708,"kali_year":4917,"ayanamsa_lahiri":21.273,"grahas":{"sun":{"sidereal_longitude":10.73261100000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":182.107211,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":4.3458},"mars":{"sidereal_longitude":297.488511,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":347.994711,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":162.71361100000001,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"venus":{"sidereal_longitude":41.556310999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":292.170211,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":79.3439,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.3439,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1815,"month":4,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384086.770833,"kali_year":4917,"ahargana":1795621.2708,"sun":{"sidereal_longitude":11.252,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":184.3706,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.1186,"elapsed_within_tithi_degrees":5.1186},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.3706,"elapsed_within_degrees":11.0373},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.6227},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.346,"elongation":173.119},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.346,"opposition_distance":6.881}},"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":"05:48","sunsetLocal":"18:47","solarNoonLocal":"12:18","dayLengthHours":12.990901821757127,"dayLengthDisplay":"12 Hours 59 Mins 27 Secs","nightLengthDisplay":"11 Hours 00 Mins 33 Secs","moonriseLocal":"18:00","moonsetLocal":"05:27","rahuKala":{"name":"Rāhu Kāla","start":"17:10","end":"18:47","startHours":17.167591704082014,"endHours":18.791454431801654,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:18","end":"13:55","startHours":12.29600352092309,"endHours":13.91986624864273,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:33","end":"17:10","startHours":15.54372897636237,"endHours":17.167591704082014,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:16","startHours":8.831763035121188,"endHours":9.264793095846427,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:41","startHours":6.341840185951073,"endHours":6.688264234531263,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:44","startHours":11.862973460197853,"endHours":12.729033581648327,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:56","startHours":4.068432367143576,"endHours":4.93449248859405,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:48","startHours":4.717977458231432,"endHours":5.800552610044526,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:20","startHours":14.461153824549278,"endHours":15.327213945999754,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.591454431801655,"endHours":18.991454431801653,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:20","startHours":18.791454431801654,"endHours":19.3327420077082,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.541454431801654,"endHours":20.291454431801654,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:44","startHours":23.862973460197853,"endHours":24.729033581648327,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:48","end":"07:25","startHours":5.800552610044526,"endHours":7.424415337764167,"quality":"inauspicious"},{"name":"Chala","start":"07:25","end":"09:03","startHours":7.424415337764167,"endHours":9.048278065483807,"quality":"neutral"},{"name":"Labha","start":"09:03","end":"10:40","startHours":9.048278065483807,"endHours":10.672140793203448,"quality":"auspicious"},{"name":"Amṛta","start":"10:40","end":"12:18","startHours":10.672140793203448,"endHours":12.29600352092309,"quality":"auspicious"},{"name":"Kāla","start":"12:18","end":"13:55","startHours":12.29600352092309,"endHours":13.91986624864273,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:33","startHours":13.91986624864273,"endHours":15.54372897636237,"quality":"auspicious"},{"name":"Roga","start":"15:33","end":"17:10","startHours":15.54372897636237,"endHours":17.167591704082014,"quality":"inauspicious"},{"name":"Udveg","start":"17:10","end":"18:47","startHours":17.167591704082014,"endHours":18.791454431801654,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:47","end":"20:10","startHours":18.791454431801654,"endHours":20.167591704082014,"quality":"auspicious"},{"name":"Roga","start":"20:10","end":"21:33","startHours":20.167591704082014,"endHours":21.543728976362374,"quality":"inauspicious"},{"name":"Udveg","start":"21:33","end":"22:55","startHours":21.543728976362374,"endHours":22.91986624864273,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:18","startHours":22.91986624864273,"endHours":24.29600352092309,"quality":"neutral"},{"name":"Labha","start":"00:18","end":"01:40","startHours":24.29600352092309,"endHours":25.67214079320345,"quality":"auspicious"},{"name":"Amṛta","start":"01:40","end":"03:03","startHours":25.67214079320345,"endHours":27.048278065483807,"quality":"auspicious"},{"name":"Kāla","start":"03:03","end":"04:25","startHours":27.048278065483807,"endHours":28.424415337764167,"quality":"inauspicious"},{"name":"Śubha","start":"04:25","end":"05:48","startHours":28.424415337764167,"endHours":29.800552610044527,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.800552610044526,"endHours":6.800552610044526,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.800552610044526,"endHours":7.800552610044526,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.800552610044526,"endHours":8.800552610044527,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.800552610044527,"endHours":9.800552610044527,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.800552610044527,"endHours":10.800552610044527,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.800552610044527,"endHours":11.800552610044527,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.800552610044527,"endHours":12.800552610044527,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.800552610044527,"endHours":13.800552610044527,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.800552610044527,"endHours":14.800552610044527,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.800552610044527,"endHours":15.800552610044527,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.800552610044527,"endHours":16.800552610044527,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.800552610044527,"endHours":17.800552610044527,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.800552610044527,"endHours":18.800552610044527,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.800552610044527,"endHours":19.800552610044527,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.800552610044527,"endHours":20.800552610044527,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.800552610044527,"endHours":21.800552610044527,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.800552610044527,"endHours":22.800552610044527,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.800552610044527,"endHours":23.800552610044527,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.800552610044527,"endHours":24.800552610044527,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.800552610044527,"endHours":25.800552610044527,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.800552610044527,"endHours":26.800552610044527,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.800552610044527,"endHours":27.800552610044527,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.800552610044527,"endHours":28.800552610044527,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.800552610044527,"endHours":29.800552610044527,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","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":12.169187038155345,"eotMinutes":1.6025887446145586,"ayanamsa":21.273}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"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 Pūrṇimā · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[{"id":"hanuman-jayanti","name":"Hanumān Jayantī","name_sanskrit":"हनुमान जयन्ती","tradition":"Vaishnava","associated_deity":"Bhagavān Hanumān (Rudra-aṁśa, Rāma-bhakta)","significance":"Birth of Hanumān (Caitra Pūrṇimā tradition; some traditions Mārgaśīrṣa Kṛṣṇa 14).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"sources":["Vālmīki Rāmāyaṇa, Sundara-Kāṇḍa"]}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 23, 1815 CE · Vṛndāvana · Vidhyamitra","description":"April 23, 1815 CE for Vṛndāvana: Śukla Pūrṇimā, sūryodaya 05:48, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1815-04-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1815-04-23","sa":"https://sa.vidhyamitra.com/city/vrindavan/1815-04-23","hi":"https://hi.vidhyamitra.com/city/vrindavan/1815-04-23","x-default":"https://vidhyamitra.com/city/vrindavan/1815-04-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T16:40:16.443Z","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":"2026-06-05T16:40:16.443Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T16:40:16.443Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}