{"id":"vidhyamitra:city-day:vrindavan:1818-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1818-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1818-01-01","date_display":"January 1, 1818 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":1818,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385070.770833,"kali_year":4919,"ahargana":1796605.2708,"sun":{"sidereal_longitude":259.0072,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":181.1376,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.1304,"elapsed_within_tithi_degrees":6.1304},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.1376,"elapsed_within_degrees":7.8042},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.1448},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1818,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2385070.770833,"ahargana":1796605.2708,"kali_year":4919,"ayanamsa_lahiri":21.3106,"grahas":{"sun":{"sidereal_longitude":258.792415,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":178.08021499999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":1.9759},"mars":{"sidereal_longitude":50.775014999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":278.61791500000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":246.95871499999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":244.22621500000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":312.572315,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":27.2069,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":207.2069,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"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":1818,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2385070.770833,"kali_year":4919,"ahargana":1796605.2708,"sun":{"sidereal_longitude":259.0072,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":181.1376,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.1304,"elapsed_within_tithi_degrees":6.1304},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.1376,"elapsed_within_degrees":7.8042},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.1448},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.976,"elongation":77.87},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.976,"opposition_distance":102.13}},"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":"07:10","sunsetLocal":"17:36","solarNoonLocal":"12:23","dayLengthHours":10.428073830070645,"dayLengthDisplay":"10 Hours 25 Mins 41 Secs","nightLengthDisplay":"13 Hours 34 Mins 19 Secs","moonriseLocal":"01:14","moonsetLocal":"12:47","rahuKala":{"name":"Rāhu Kāla","start":"13:41","end":"14:59","startHours":13.687975534148766,"endHours":14.991484762907596,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:10","end":"08:28","startHours":7.170429390354613,"endHours":8.473938619113444,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:47","end":"11:05","startHours":9.777447847872274,"endHours":11.080957076631105,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.603646617371098,"endHours":9.95124907837345,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:53","startHours":7.604932466607557,"endHours":7.883014435409441,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.03686384438758,"endHours":12.73206876639229,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:29","startHours":5.780019546345194,"endHours":6.475224468349904,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:10","startHours":6.301423237848726,"endHours":7.170429390354613,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:49","startHours":14.122478610401709,"endHours":14.817683532406418,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.39850322042526,"endHours":17.798503220425257,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:02","startHours":17.598503220425258,"endHours":18.033006296678202,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.348503220425258,"endHours":19.098503220425258,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.03686384438758,"endHours":24.732068766392292,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:10","end":"08:28","startHours":7.170429390354613,"endHours":8.473938619113444,"quality":"auspicious"},{"name":"Roga","start":"08:28","end":"09:47","startHours":8.473938619113444,"endHours":9.777447847872274,"quality":"inauspicious"},{"name":"Udveg","start":"09:47","end":"11:05","startHours":9.777447847872274,"endHours":11.080957076631105,"quality":"inauspicious"},{"name":"Chala","start":"11:05","end":"12:23","startHours":11.080957076631105,"endHours":12.384466305389935,"quality":"neutral"},{"name":"Labha","start":"12:23","end":"13:41","startHours":12.384466305389935,"endHours":13.687975534148766,"quality":"auspicious"},{"name":"Amṛta","start":"13:41","end":"14:59","startHours":13.687975534148766,"endHours":14.991484762907596,"quality":"auspicious"},{"name":"Kāla","start":"14:59","end":"16:18","startHours":14.991484762907596,"endHours":16.294993991666427,"quality":"inauspicious"},{"name":"Śubha","start":"16:18","end":"17:36","startHours":16.294993991666427,"endHours":17.598503220425258,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:36","end":"19:18","startHours":17.598503220425258,"endHours":19.294993991666427,"quality":"auspicious"},{"name":"Kāla","start":"19:18","end":"20:59","startHours":19.294993991666427,"endHours":20.991484762907596,"quality":"inauspicious"},{"name":"Śubha","start":"20:59","end":"22:41","startHours":20.991484762907596,"endHours":22.687975534148766,"quality":"auspicious"},{"name":"Roga","start":"22:41","end":"00:23","startHours":22.687975534148766,"endHours":24.384466305389935,"quality":"inauspicious"},{"name":"Udveg","start":"00:23","end":"02:05","startHours":24.384466305389935,"endHours":26.080957076631105,"quality":"inauspicious"},{"name":"Chala","start":"02:05","end":"03:47","startHours":26.080957076631105,"endHours":27.777447847872274,"quality":"neutral"},{"name":"Labha","start":"03:47","end":"05:28","startHours":27.777447847872274,"endHours":29.473938619113444,"quality":"auspicious"},{"name":"Amṛta","start":"05:28","end":"07:10","startHours":29.473938619113444,"endHours":31.170429390354613,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.170429390354613,"endHours":8.170429390354613,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.170429390354613,"endHours":9.170429390354613,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.170429390354613,"endHours":10.170429390354613,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.170429390354613,"endHours":11.170429390354613,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.170429390354613,"endHours":12.170429390354613,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.170429390354613,"endHours":13.170429390354613,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.170429390354613,"endHours":14.170429390354613,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.170429390354613,"endHours":15.170429390354613,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.170429390354613,"endHours":16.170429390354613,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.170429390354613,"endHours":17.170429390354613,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.170429390354613,"endHours":18.170429390354613,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.170429390354613,"endHours":19.170429390354613,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.170429390354613,"endHours":20.170429390354613,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.170429390354613,"endHours":21.170429390354613,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.170429390354613,"endHours":22.170429390354613,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.170429390354613,"endHours":23.170429390354613,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.170429390354613,"endHours":24.170429390354613,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.170429390354613,"endHours":25.170429390354613,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.170429390354613,"endHours":26.170429390354613,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.170429390354613,"endHours":27.170429390354613,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.170429390354613,"endHours":28.170429390354613,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.170429390354613,"endHours":29.170429390354613,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.170429390354613,"endHours":30.170429390354613,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.170429390354613,"endHours":31.170429390354613,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.051925950099612,"eotMinutes":-3.705178323396069,"ayanamsa":21.3106}},"calendars":{"vikram_samvat":1875,"vikram_samvatsara":"Khara","saka_samvat":1740,"saka_samvatsara":"Bahudhānya","bengali_samvat":1225,"malayalam_era":994,"nanakshahi_year":349,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Navamī · Vikram 1875 Khara · Śaka 1740 Bahudhānya"},"festivals":[],"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 January 1, 1818 CE · Vṛndāvana · Vidhyamitra","description":"January 1, 1818 CE for Vṛndāvana: Kṛṣṇa Navamī, sūryodaya 07:10, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1818-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1818-01-01","sa":"https://sa.vidhyamitra.com/city/vrindavan/1818-01-01","hi":"https://hi.vidhyamitra.com/city/vrindavan/1818-01-01","x-default":"https://vidhyamitra.com/city/vrindavan/1818-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T04:24:57.952Z","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":"2026-06-05T04:24:57.952Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T04:24:57.952Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}