{"id":"vidhyamitra:city-day:vrindavan:2105-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2105-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2105-02-01","date_display":"February 1, 2105 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":2105,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489926.770833,"kali_year":5206,"ahargana":1901461.2708,"sun":{"sidereal_longitude":286.4411,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":129.9382,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.4971,"elapsed_within_tithi_degrees":11.4971},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":129.9382,"elapsed_within_degrees":9.9382},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.3792},"karana":{"half_tithi_index":33,"name":"Gara"},"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":2105,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489926.770833,"ahargana":1901461.2708,"kali_year":5206,"ayanamsa_lahiri":25.321,"grahas":{"sun":{"sidereal_longitude":286.680245,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":128.166945,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":-4.4096},"mars":{"sidereal_longitude":280.810645,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":293.03344500000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":310.91594499999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":319.857445,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":235.55544499999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":231.4314,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.4314,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2105,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489926.770833,"kali_year":5206,"ahargana":1901461.2708,"sun":{"sidereal_longitude":286.4411,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":129.9382,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.4971,"elapsed_within_tithi_degrees":11.4971},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":129.9382,"elapsed_within_degrees":9.9382},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.3792},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.41,"elongation":156.503},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.41,"opposition_distance":23.497}},"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":"07:06","sunsetLocal":"18:00","solarNoonLocal":"12:33","dayLengthHours":10.893474200546768,"dayLengthDisplay":"10 Hours 53 Mins 37 Secs","nightLengthDisplay":"13 Hours 06 Mins 23 Secs","moonriseLocal":"19:35","moonsetLocal":"08:23","rahuKala":{"name":"Rāhu Kāla","start":"16:38","end":"18:00","startHours":16.635921960494965,"endHours":17.99760623556331,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:33","end":"13:55","startHours":12.550869135289926,"endHours":13.912553410358273,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:16","end":"16:38","startHours":15.274237685426618,"endHours":16.635921960494965,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.645942681810787,"endHours":10.00905848849568,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:51","startHours":7.558026793372658,"endHours":7.848519438720572,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:55","startHours":12.187753328605035,"endHours":12.91398494197482,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:39","end":"06:23","startHours":5.651668808276973,"endHours":6.377900421646758,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:06","startHours":6.196342518304312,"endHours":7.1041320350165424,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:06","startHours":14.366448168714388,"endHours":15.092679782084172,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.79760623556331,"endHours":18.19760623556331,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:27","startHours":17.99760623556331,"endHours":18.451500993919424,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.74760623556331,"endHours":19.49760623556331,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:55","startHours":24.187753328605037,"endHours":24.91398494197482,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:06","end":"08:28","startHours":7.1041320350165424,"endHours":8.465816310084888,"quality":"inauspicious"},{"name":"Chala","start":"08:28","end":"09:50","startHours":8.465816310084888,"endHours":9.827500585153235,"quality":"neutral"},{"name":"Labha","start":"09:50","end":"11:11","startHours":9.827500585153235,"endHours":11.18918486022158,"quality":"auspicious"},{"name":"Amṛta","start":"11:11","end":"12:33","startHours":11.18918486022158,"endHours":12.550869135289926,"quality":"auspicious"},{"name":"Kāla","start":"12:33","end":"13:55","startHours":12.550869135289926,"endHours":13.912553410358273,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:16","startHours":13.912553410358273,"endHours":15.274237685426618,"quality":"auspicious"},{"name":"Roga","start":"15:16","end":"16:38","startHours":15.274237685426618,"endHours":16.635921960494965,"quality":"inauspicious"},{"name":"Udveg","start":"16:38","end":"18:00","startHours":16.635921960494965,"endHours":17.99760623556331,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:00","end":"19:38","startHours":17.99760623556331,"endHours":19.635921960494965,"quality":"auspicious"},{"name":"Roga","start":"19:38","end":"21:16","startHours":19.635921960494965,"endHours":21.27423768542662,"quality":"inauspicious"},{"name":"Udveg","start":"21:16","end":"22:55","startHours":21.27423768542662,"endHours":22.91255341035827,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:33","startHours":22.91255341035827,"endHours":24.550869135289926,"quality":"neutral"},{"name":"Labha","start":"00:33","end":"02:11","startHours":24.550869135289926,"endHours":26.18918486022158,"quality":"auspicious"},{"name":"Amṛta","start":"02:11","end":"03:50","startHours":26.18918486022158,"endHours":27.827500585153235,"quality":"auspicious"},{"name":"Kāla","start":"03:50","end":"05:28","startHours":27.827500585153235,"endHours":29.46581631008489,"quality":"inauspicious"},{"name":"Śubha","start":"05:28","end":"07:06","startHours":29.46581631008489,"endHours":31.10413203501654,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.1041320350165424,"endHours":8.104132035016542,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.104132035016542,"endHours":9.104132035016542,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.104132035016542,"endHours":10.104132035016542,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.104132035016542,"endHours":11.104132035016542,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.104132035016542,"endHours":12.104132035016542,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.104132035016542,"endHours":13.104132035016542,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.104132035016542,"endHours":14.104132035016542,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.104132035016542,"endHours":15.104132035016542,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.104132035016542,"endHours":16.10413203501654,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.10413203501654,"endHours":17.10413203501654,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.10413203501654,"endHours":18.10413203501654,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.10413203501654,"endHours":19.10413203501654,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.10413203501654,"endHours":20.10413203501654,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.10413203501654,"endHours":21.10413203501654,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.10413203501654,"endHours":22.10413203501654,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.10413203501654,"endHours":23.10413203501654,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.10413203501654,"endHours":24.10413203501654,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.10413203501654,"endHours":25.10413203501654,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.10413203501654,"endHours":26.10413203501654,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.10413203501654,"endHours":27.10413203501654,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.10413203501654,"endHours":28.10413203501654,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.10413203501654,"endHours":29.10413203501654,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.10413203501654,"endHours":30.10413203501654,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.10413203501654,"endHours":31.10413203501654,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.191542524827664,"eotMinutes":-13.689348117395623,"ayanamsa":25.321}},"calendars":{"vikram_samvat":2162,"vikram_samvatsara":"Bahudhānya","saka_samvat":2027,"saka_samvatsara":"Krodhana","bengali_samvat":1512,"malayalam_era":1281,"nanakshahi_year":636,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Dvitīyā · Vikram 2162 Bahudhānya · Śaka 2027 Krodhana"},"festivals":[],"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":[]},"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 February 1, 2105 CE · Vṛndāvana · Vidhyamitra","description":"February 1, 2105 CE for Vṛndāvana: Kṛṣṇa Dvitīyā, sūryodaya 07:06, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2105-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2105-02-01","sa":"https://sa.vidhyamitra.com/city/vrindavan/2105-02-01","hi":"https://hi.vidhyamitra.com/city/vrindavan/2105-02-01","x-default":"https://vidhyamitra.com/city/vrindavan/2105-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:06:48.973Z","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":"2026-05-31T14:06:48.973Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:06:48.973Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}