{"id":"vidhyamitra:city-day:rishikesh:2041-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2041-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2041-02-01","date_display":"February 1, 2041 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":2041,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466551.770833,"kali_year":5142,"ahargana":1878086.2708,"sun":{"sidereal_longitude":288.036,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":284.8727,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":356.8368,"elapsed_within_tithi_degrees":8.8368},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.8727,"elapsed_within_degrees":4.8727},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.9087},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":2041,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2466551.770833,"ahargana":1878086.2708,"kali_year":5142,"ayanamsa_lahiri":24.427,"grahas":{"sun":{"sidereal_longitude":288.115641,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":285.2929409999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":-4.3448},"mars":{"sidereal_longitude":275.95284100000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":294.26744099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":186.61114099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":331.406741,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":179.23984099999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":29.9514,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":209.9514,"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":2041,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2466551.770833,"kali_year":5142,"ahargana":1878086.2708,"sun":{"sidereal_longitude":288.036,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":284.8727,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":356.8368,"elapsed_within_tithi_degrees":8.8368},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.8727,"elapsed_within_degrees":4.8727},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.9087},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.345,"elongation":3.163},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.345,"opposition_distance":176.837}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"07:07","sunsetLocal":"17:54","solarNoonLocal":"12:31","dayLengthHours":10.772402743907875,"dayLengthDisplay":"10 Hours 46 Mins 21 Secs","nightLengthDisplay":"13 Hours 13 Mins 39 Secs","moonriseLocal":"06:59","moonsetLocal":"17:39","rahuKala":{"name":"Rāhu Kāla","start":"11:10","end":"12:31","startHours":11.163765458968111,"endHours":12.510315801956594,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:12","end":"16:33","startHours":15.203416487933563,"endHours":16.54996683092205,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:28","end":"09:49","startHours":8.470664772991142,"endHours":9.817215115979625,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:00","startHours":9.637675070247827,"endHours":9.996755161711423,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:52","startHours":7.572964544332152,"endHours":7.8602286175030285,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:52","startHours":12.151235710492998,"endHours":12.86939589342019,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:24","startHours":5.687794064148274,"endHours":6.405954247075465,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:07","startHours":6.226414201343667,"endHours":7.124114430002657,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:01","startHours":14.305716259274574,"endHours":15.023876442201765,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.696517173910532,"endHours":18.09651717391053,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:21","startHours":17.89651717391053,"endHours":18.345367288240027,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.64651717391053,"endHours":19.39651717391053,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:52","startHours":24.151235710492998,"endHours":24.86939589342019,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:07","end":"08:28","startHours":7.124114430002657,"endHours":8.470664772991142,"quality":"neutral"},{"name":"Labha","start":"08:28","end":"09:49","startHours":8.470664772991142,"endHours":9.817215115979625,"quality":"auspicious"},{"name":"Amṛta","start":"09:49","end":"11:10","startHours":9.817215115979625,"endHours":11.163765458968111,"quality":"auspicious"},{"name":"Kāla","start":"11:10","end":"12:31","startHours":11.163765458968111,"endHours":12.510315801956594,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"13:51","startHours":12.510315801956594,"endHours":13.85686614494508,"quality":"auspicious"},{"name":"Roga","start":"13:51","end":"15:12","startHours":13.85686614494508,"endHours":15.203416487933563,"quality":"inauspicious"},{"name":"Udveg","start":"15:12","end":"16:33","startHours":15.203416487933563,"endHours":16.54996683092205,"quality":"inauspicious"},{"name":"Chala","start":"16:33","end":"17:54","startHours":16.54996683092205,"endHours":17.89651717391053,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:54","end":"19:33","startHours":17.89651717391053,"endHours":19.549966830922045,"quality":"inauspicious"},{"name":"Udveg","start":"19:33","end":"21:12","startHours":19.549966830922045,"endHours":21.203416487933563,"quality":"inauspicious"},{"name":"Chala","start":"21:12","end":"22:51","startHours":21.203416487933563,"endHours":22.85686614494508,"quality":"neutral"},{"name":"Labha","start":"22:51","end":"00:31","startHours":22.85686614494508,"endHours":24.510315801956594,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"02:10","startHours":24.510315801956594,"endHours":26.163765458968108,"quality":"auspicious"},{"name":"Kāla","start":"02:10","end":"03:49","startHours":26.163765458968108,"endHours":27.817215115979625,"quality":"inauspicious"},{"name":"Śubha","start":"03:49","end":"05:28","startHours":27.817215115979625,"endHours":29.470664772991142,"quality":"auspicious"},{"name":"Roga","start":"05:28","end":"07:07","startHours":29.470664772991142,"endHours":31.124114430002656,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.124114430002657,"endHours":8.124114430002656,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.124114430002656,"endHours":9.124114430002656,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.124114430002656,"endHours":10.124114430002656,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.124114430002656,"endHours":11.124114430002656,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.124114430002656,"endHours":12.124114430002656,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.124114430002656,"endHours":13.124114430002656,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.124114430002656,"endHours":14.124114430002656,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.124114430002656,"endHours":15.124114430002656,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.124114430002656,"endHours":16.124114430002656,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.124114430002656,"endHours":17.124114430002656,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.124114430002656,"endHours":18.124114430002656,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.124114430002656,"endHours":19.124114430002656,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.124114430002656,"endHours":20.124114430002656,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.124114430002656,"endHours":21.124114430002656,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.124114430002656,"endHours":22.124114430002656,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.124114430002656,"endHours":23.124114430002656,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.124114430002656,"endHours":24.124114430002656,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.124114430002656,"endHours":25.124114430002656,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.124114430002656,"endHours":26.124114430002656,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.124114430002656,"endHours":27.124114430002656,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.124114430002656,"endHours":28.124114430002656,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.124114430002656,"endHours":29.124114430002656,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.124114430002656,"endHours":30.124114430002656,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.124114430002656,"endHours":31.124114430002656,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.039988726552018,"eotMinutes":-13.689348117395623,"ayanamsa":24.427}},"calendars":{"vikram_samvat":2098,"vikram_samvatsara":"Bhāva","saka_samvat":1963,"saka_samvatsara":"Durmati","bengali_samvat":1448,"malayalam_era":1217,"nanakshahi_year":572,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Amāvasyā · Vikram 2098 Bhāva · Śaka 1963 Durmati"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"rishikesh"},"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, 2041 CE · Ṛṣikeśa · Vidhyamitra","description":"February 1, 2041 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 07:07, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2041-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2041-02-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2041-02-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2041-02-01","x-default":"https://vidhyamitra.com/city/rishikesh/2041-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T23:00:00.513Z","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":"2026-05-15T23:00:00.513Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T23:00:00.513Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}