{"id":"vidhyamitra:city-day:rishikesh:2090-02-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2090-02-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2090-02-05","date_display":"February 5, 2090 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":2090,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484452.770833,"kali_year":5191,"ahargana":1895987.2708,"sun":{"sidereal_longitude":291.4271,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":354.3064,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":62.8793,"elapsed_within_tithi_degrees":2.8793},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.3064,"elapsed_within_degrees":7.6397},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.7335},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":2090,"month":2,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484452.770833,"ahargana":1895987.2708,"kali_year":5191,"ayanamsa_lahiri":25.1116,"grahas":{"sun":{"sidereal_longitude":291.598892,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":350.386392,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-0.9988},"mars":{"sidereal_longitude":291.028992,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":277.28029200000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":229.08769200000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":302.290892,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":38.594892000000016,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":161.4703,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":341.4703,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2090,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484452.770833,"kali_year":5191,"ahargana":1895987.2708,"sun":{"sidereal_longitude":291.4271,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":354.3064,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":62.8793,"elapsed_within_tithi_degrees":2.8793},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.3064,"elapsed_within_degrees":7.6397},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.7335},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.999,"elongation":62.879},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.999,"opposition_distance":117.121}},"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":10.874709577230059,"dayLengthDisplay":"10 Hours 52 Mins 29 Secs","nightLengthDisplay":"13 Hours 07 Mins 31 Secs","moonriseLocal":"10:09","moonsetLocal":"22:43","rahuKala":{"name":"Rāhu Kāla","start":"16:36","end":"17:57","startHours":16.59684306180906,"endHours":17.95618175896282,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"13:53","startHours":12.518826970347792,"endHours":13.878165667501548,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:14","end":"16:36","startHours":15.237504364655306,"endHours":16.59684306180906,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:59","startHours":9.618904416419776,"endHours":9.981394735660778,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.534585080784014,"endHours":7.824577336176816,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:53","startHours":12.15633665110679,"endHours":12.881317289588795,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:21","startHours":5.631510904768755,"endHours":6.356491543250758,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:05","startHours":6.175246383630257,"endHours":7.081472181732762,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:03","startHours":14.3312785665528,"endHours":15.056259205034804,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.75618175896282,"endHours":18.15618175896282,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:25","startHours":17.95618175896282,"endHours":18.409294658014073,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.70618175896282,"endHours":19.45618175896282,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:53","startHours":24.15633665110679,"endHours":24.881317289588793,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:05","end":"08:26","startHours":7.081472181732762,"endHours":8.44081087888652,"quality":"inauspicious"},{"name":"Chala","start":"08:26","end":"09:48","startHours":8.44081087888652,"endHours":9.800149576040276,"quality":"neutral"},{"name":"Labha","start":"09:48","end":"11:10","startHours":9.800149576040276,"endHours":11.159488273194034,"quality":"auspicious"},{"name":"Amṛta","start":"11:10","end":"12:31","startHours":11.159488273194034,"endHours":12.518826970347792,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"13:53","startHours":12.518826970347792,"endHours":13.878165667501548,"quality":"inauspicious"},{"name":"Śubha","start":"13:53","end":"15:14","startHours":13.878165667501548,"endHours":15.237504364655306,"quality":"auspicious"},{"name":"Roga","start":"15:14","end":"16:36","startHours":15.237504364655306,"endHours":16.59684306180906,"quality":"inauspicious"},{"name":"Udveg","start":"16:36","end":"17:57","startHours":16.59684306180906,"endHours":17.95618175896282,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:57","end":"19:36","startHours":17.95618175896282,"endHours":19.596843061809064,"quality":"auspicious"},{"name":"Roga","start":"19:36","end":"21:14","startHours":19.596843061809064,"endHours":21.237504364655305,"quality":"inauspicious"},{"name":"Udveg","start":"21:14","end":"22:53","startHours":21.237504364655305,"endHours":22.87816566750155,"quality":"inauspicious"},{"name":"Chala","start":"22:53","end":"00:31","startHours":22.87816566750155,"endHours":24.518826970347792,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"02:10","startHours":24.518826970347792,"endHours":26.159488273194036,"quality":"auspicious"},{"name":"Amṛta","start":"02:10","end":"03:48","startHours":26.159488273194036,"endHours":27.800149576040276,"quality":"auspicious"},{"name":"Kāla","start":"03:48","end":"05:26","startHours":27.800149576040276,"endHours":29.44081087888652,"quality":"inauspicious"},{"name":"Śubha","start":"05:26","end":"07:05","startHours":29.44081087888652,"endHours":31.081472181732764,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.081472181732762,"endHours":8.081472181732762,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.081472181732762,"endHours":9.081472181732762,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.081472181732762,"endHours":10.081472181732762,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.081472181732762,"endHours":11.081472181732762,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.081472181732762,"endHours":12.081472181732762,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.081472181732762,"endHours":13.081472181732762,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.081472181732762,"endHours":14.081472181732762,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.081472181732762,"endHours":15.081472181732762,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.081472181732762,"endHours":16.081472181732764,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.081472181732764,"endHours":17.081472181732764,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.081472181732764,"endHours":18.081472181732764,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.081472181732764,"endHours":19.081472181732764,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.081472181732764,"endHours":20.081472181732764,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.081472181732764,"endHours":21.081472181732764,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.081472181732764,"endHours":22.081472181732764,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.081472181732764,"endHours":23.081472181732764,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.081472181732764,"endHours":24.081472181732764,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.081472181732764,"endHours":25.081472181732764,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.081472181732764,"endHours":26.081472181732764,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.081472181732764,"endHours":27.081472181732764,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.081472181732764,"endHours":28.081472181732764,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.081472181732764,"endHours":29.081472181732764,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.081472181732764,"endHours":30.081472181732764,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.081472181732764,"endHours":31.081472181732764,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","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":-15.826140039053023,"eotMinutes":-14.200018220867548,"ayanamsa":25.1116}},"calendars":{"vikram_samvat":2147,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":2012,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1497,"malayalam_era":1266,"nanakshahi_year":621,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Māgha Śukla Ṣaṣṭhī · Vikram 2147 Rudhirodgāri · Śaka 2012 Sādhāraṇa"},"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":"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 5, 2090 CE · Ṛṣikeśa · Vidhyamitra","description":"February 5, 2090 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 07:05, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2090-02-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2090-02-05","sa":"https://sa.vidhyamitra.com/city/rishikesh/2090-02-05","hi":"https://hi.vidhyamitra.com/city/rishikesh/2090-02-05","x-default":"https://vidhyamitra.com/city/rishikesh/2090-02-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:37:47.582Z","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":"2026-05-31T17:37:47.582Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:37:47.582Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}