{"id":"vidhyamitra:city-day:rishikesh:2081-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2081-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2081-02-04","date_display":"February 4, 2081 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":2081,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481164.770833,"kali_year":5182,"ahargana":1892699.2708,"sun":{"sidereal_longitude":290.7421,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":235.5897,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.8476,"elapsed_within_tithi_degrees":4.8476},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":235.5897,"elapsed_within_degrees":8.923},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.3318},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2081,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2481164.770833,"ahargana":1892699.2708,"kali_year":5182,"ayanamsa_lahiri":24.9858,"grahas":{"sun":{"sidereal_longitude":290.89691700000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":238.05931699999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":-4.4302},"mars":{"sidereal_longitude":347.292517,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":272.59021700000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":304.285717,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":326.73061700000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":292.225817,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":335.6843,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":155.6843,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2081,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481164.770833,"kali_year":5182,"ahargana":1892699.2708,"sun":{"sidereal_longitude":290.7421,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":235.5897,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.8476,"elapsed_within_tithi_degrees":4.8476},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":235.5897,"elapsed_within_degrees":8.923},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.3318},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.43,"elongation":55.152},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.43,"opposition_distance":124.848}},"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":"07:05","sunsetLocal":"17:57","solarNoonLocal":"12:31","dayLengthHours":10.853961226733134,"dayLengthDisplay":"10 Hours 51 Mins 14 Secs","nightLengthDisplay":"13 Hours 08 Mins 46 Secs","moonriseLocal":"03:54","moonsetLocal":"14:05","rahuKala":{"name":"Rāhu Kāla","start":"15:14","end":"16:35","startHours":15.230512379483173,"endHours":16.587257532824815,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:48","end":"11:10","startHours":9.803531766116606,"endHours":11.160276919458248,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"13:52","startHours":12.51702207279989,"endHours":13.873767226141531,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:59","startHours":9.62263241233772,"endHours":9.984431119895492,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.542289843880536,"endHours":7.831728809926753,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:53","startHours":12.155223365242119,"endHours":12.87882078035766,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:39","end":"06:22","startHours":5.642846629202238,"endHours":6.366444044317781,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:05","startHours":6.185544690538895,"endHours":7.090041459433323,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:03","startHours":14.326015610588744,"endHours":15.049613025704286,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.744002686166457,"endHours":18.144002686166456,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:24","startHours":17.944002686166456,"endHours":18.39625107061367,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.694002686166456,"endHours":19.444002686166456,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:53","startHours":24.15522336524212,"endHours":24.87882078035766,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:05","end":"08:27","startHours":7.090041459433323,"endHours":8.446786612774964,"quality":"inauspicious"},{"name":"Udveg","start":"08:27","end":"09:48","startHours":8.446786612774964,"endHours":9.803531766116606,"quality":"inauspicious"},{"name":"Chala","start":"09:48","end":"11:10","startHours":9.803531766116606,"endHours":11.160276919458248,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:31","startHours":11.160276919458248,"endHours":12.51702207279989,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"13:52","startHours":12.51702207279989,"endHours":13.873767226141531,"quality":"auspicious"},{"name":"Kāla","start":"13:52","end":"15:14","startHours":13.873767226141531,"endHours":15.230512379483173,"quality":"inauspicious"},{"name":"Śubha","start":"15:14","end":"16:35","startHours":15.230512379483173,"endHours":16.587257532824815,"quality":"auspicious"},{"name":"Roga","start":"16:35","end":"17:57","startHours":16.587257532824815,"endHours":17.944002686166456,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:57","end":"19:35","startHours":17.944002686166456,"endHours":19.587257532824815,"quality":"inauspicious"},{"name":"Śubha","start":"19:35","end":"21:14","startHours":19.587257532824815,"endHours":21.230512379483173,"quality":"auspicious"},{"name":"Roga","start":"21:14","end":"22:52","startHours":21.230512379483173,"endHours":22.87376722614153,"quality":"inauspicious"},{"name":"Udveg","start":"22:52","end":"00:31","startHours":22.87376722614153,"endHours":24.51702207279989,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"02:10","startHours":24.51702207279989,"endHours":26.160276919458248,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:48","startHours":26.160276919458248,"endHours":27.803531766116606,"quality":"auspicious"},{"name":"Amṛta","start":"03:48","end":"05:27","startHours":27.803531766116606,"endHours":29.446786612774964,"quality":"auspicious"},{"name":"Kāla","start":"05:27","end":"07:05","startHours":29.446786612774964,"endHours":31.090041459433323,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.090041459433323,"endHours":8.090041459433323,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.090041459433323,"endHours":9.090041459433323,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.090041459433323,"endHours":10.090041459433323,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.090041459433323,"endHours":11.090041459433323,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.090041459433323,"endHours":12.090041459433323,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.090041459433323,"endHours":13.090041459433323,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.090041459433323,"endHours":14.090041459433323,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.090041459433323,"endHours":15.090041459433323,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.090041459433323,"endHours":16.090041459433323,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.090041459433323,"endHours":17.090041459433323,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.090041459433323,"endHours":18.090041459433323,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.090041459433323,"endHours":19.090041459433323,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.090041459433323,"endHours":20.090041459433323,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.090041459433323,"endHours":21.090041459433323,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.090041459433323,"endHours":22.090041459433323,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.090041459433323,"endHours":23.090041459433323,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.090041459433323,"endHours":24.090041459433323,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.090041459433323,"endHours":25.090041459433323,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.090041459433323,"endHours":26.090041459433323,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.090041459433323,"endHours":27.090041459433323,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.090041459433323,"endHours":28.090041459433323,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.090041459433323,"endHours":29.090041459433323,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.090041459433323,"endHours":30.090041459433323,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.090041459433323,"endHours":31.090041459433323,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-16.073678986967696,"eotMinutes":-14.091724367993354,"ayanamsa":24.9858}},"calendars":{"vikram_samvat":2138,"vikram_samvatsara":"Ānanda","saka_samvat":2003,"saka_samvatsara":"Plava","bengali_samvat":1488,"malayalam_era":1257,"nanakshahi_year":612,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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":"Māgha Kṛṣṇa Ekādaśī · Vikram 2138 Ānanda · Śaka 2003 Plava"},"festivals":[{"id":"shattila-ekadashi","name":"Ṣaṭ-tilā Ekādaśī","name_sanskrit":"षट्तिला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Six uses of tila (sesame) on this Ekādaśī confer mokṣa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","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 4, 2081 CE · Ṛṣikeśa · Vidhyamitra","description":"February 4, 2081 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 07:05, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2081-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2081-02-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/2081-02-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/2081-02-04","x-default":"https://vidhyamitra.com/city/rishikesh/2081-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:22:18.544Z","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":"2026-06-01T08:22:18.544Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:22:18.544Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}