{"id":"vidhyamitra:city-day:rishikesh:2185-02-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2185-02-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2185-02-09","date_display":"February 9, 2185 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":2185,"month":2,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519154.770833,"kali_year":5286,"ahargana":1930689.2708,"sun":{"sidereal_longitude":293.8933,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":42.6987,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.8054,"elapsed_within_tithi_degrees":0.8054},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.6987,"elapsed_within_degrees":2.6987},"yoga":{"number":26,"name":"Indra","sum_longitude":336.592},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2185,"month":2,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519154.770833,"ahargana":1930689.2708,"kali_year":5286,"ayanamsa_lahiri":26.4388,"grahas":{"sun":{"sidereal_longitude":294.27142000000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":42.43072000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-4.4328},"mars":{"sidereal_longitude":133.07622000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":305.82182,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":231.19391999999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":282.93092,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":135.48282,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":122.7913,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":302.7913,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2185,"month":2,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519154.770833,"kali_year":5286,"ahargana":1930689.2708,"sun":{"sidereal_longitude":293.8933,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":42.6987,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.8054,"elapsed_within_tithi_degrees":0.8054},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.6987,"elapsed_within_degrees":2.6987},"yoga":{"number":26,"name":"Indra","sum_longitude":336.592},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.433,"elongation":108.805},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.433,"opposition_distance":71.195}},"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":"07:02","sunsetLocal":"18:01","solarNoonLocal":"12:31","dayLengthHours":10.977689303308473,"dayLengthDisplay":"10 Hours 58 Mins 40 Secs","nightLengthDisplay":"13 Hours 01 Mins 20 Secs","moonriseLocal":"12:48","moonsetLocal":"02:41","rahuKala":{"name":"Rāhu Kāla","start":"12:31","end":"13:54","startHours":12.523881828709865,"endHours":13.896092991623423,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:24","end":"09:47","startHours":8.407248339969186,"endHours":9.779459502882746,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:09","end":"12:31","startHours":11.151670665796306,"endHours":12.523881828709865,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:58","startHours":9.596498014494273,"endHours":9.962420991271221,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:47","startHours":7.492440898026814,"endHours":7.785179279448373,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:53","startHours":12.157958851932916,"endHours":12.889804805486813,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:18","startHours":5.571345269947831,"endHours":6.30319122350173,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:02","startHours":6.120229735113255,"endHours":7.035037177055628,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:05","startHours":14.35349671259461,"endHours":15.08534266614851,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.812726480364102,"endHours":18.2127264803641,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:28","startHours":18.0127264803641,"endHours":18.470130201335287,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.7627264803641,"endHours":19.5127264803641,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:53","startHours":24.157958851932914,"endHours":24.889804805486815,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:02","end":"08:24","startHours":7.035037177055628,"endHours":8.407248339969186,"quality":"auspicious"},{"name":"Amṛta","start":"08:24","end":"09:47","startHours":8.407248339969186,"endHours":9.779459502882746,"quality":"auspicious"},{"name":"Kāla","start":"09:47","end":"11:09","startHours":9.779459502882746,"endHours":11.151670665796306,"quality":"inauspicious"},{"name":"Śubha","start":"11:09","end":"12:31","startHours":11.151670665796306,"endHours":12.523881828709865,"quality":"auspicious"},{"name":"Roga","start":"12:31","end":"13:54","startHours":12.523881828709865,"endHours":13.896092991623423,"quality":"inauspicious"},{"name":"Udveg","start":"13:54","end":"15:16","startHours":13.896092991623423,"endHours":15.268304154536983,"quality":"inauspicious"},{"name":"Chala","start":"15:16","end":"16:38","startHours":15.268304154536983,"endHours":16.640515317450543,"quality":"neutral"},{"name":"Labha","start":"16:38","end":"18:01","startHours":16.640515317450543,"endHours":18.0127264803641,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:01","end":"19:38","startHours":18.0127264803641,"endHours":19.640515317450543,"quality":"inauspicious"},{"name":"Chala","start":"19:38","end":"21:16","startHours":19.640515317450543,"endHours":21.268304154536985,"quality":"neutral"},{"name":"Labha","start":"21:16","end":"22:54","startHours":21.268304154536985,"endHours":22.896092991623423,"quality":"auspicious"},{"name":"Amṛta","start":"22:54","end":"00:31","startHours":22.896092991623423,"endHours":24.523881828709865,"quality":"auspicious"},{"name":"Kāla","start":"00:31","end":"02:09","startHours":24.523881828709865,"endHours":26.151670665796306,"quality":"inauspicious"},{"name":"Śubha","start":"02:09","end":"03:47","startHours":26.151670665796306,"endHours":27.779459502882744,"quality":"auspicious"},{"name":"Roga","start":"03:47","end":"05:24","startHours":27.779459502882744,"endHours":29.407248339969186,"quality":"inauspicious"},{"name":"Udveg","start":"05:24","end":"07:02","startHours":29.407248339969186,"endHours":31.035037177055628,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.035037177055628,"endHours":8.035037177055628,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.035037177055628,"endHours":9.035037177055628,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.035037177055628,"endHours":10.035037177055628,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.035037177055628,"endHours":11.035037177055628,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.035037177055628,"endHours":12.035037177055628,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.035037177055628,"endHours":13.035037177055628,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.035037177055628,"endHours":14.035037177055628,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.035037177055628,"endHours":15.035037177055628,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.035037177055628,"endHours":16.035037177055628,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.035037177055628,"endHours":17.035037177055628,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.035037177055628,"endHours":18.035037177055628,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.035037177055628,"endHours":19.035037177055628,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.035037177055628,"endHours":20.035037177055628,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.035037177055628,"endHours":21.035037177055628,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.035037177055628,"endHours":22.035037177055628,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.035037177055628,"endHours":23.035037177055628,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.035037177055628,"endHours":24.035037177055628,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.035037177055628,"endHours":25.035037177055628,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.035037177055628,"endHours":26.035037177055628,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.035037177055628,"endHours":27.035037177055628,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.035037177055628,"endHours":28.035037177055628,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.035037177055628,"endHours":29.035037177055628,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.035037177055628,"endHours":30.035037177055628,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.035037177055628,"endHours":31.035037177055628,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Utpāta","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":-14.587677535023856,"eotMinutes":-14.503309722591807,"ayanamsa":26.4388}},"calendars":{"vikram_samvat":2242,"vikram_samvatsara":"Vilambī","saka_samvat":2107,"saka_samvatsara":"Pārthiva","bengali_samvat":1592,"malayalam_era":1361,"nanakshahi_year":716,"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 Daśamī · Vikram 2242 Vilambī · Śaka 2107 Pārthiva"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 9, 2185 CE · Ṛṣikeśa · Vidhyamitra","description":"February 9, 2185 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 07:02, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2185-02-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2185-02-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/2185-02-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/2185-02-09","x-default":"https://vidhyamitra.com/city/rishikesh/2185-02-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:07:39.146Z","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":"2026-05-31T08:07:39.146Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:07:39.146Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}