{"id":"vidhyamitra:city-day:rishikesh:2010-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2010-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2010-01-15","date_display":"January 15, 2010 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":2010,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455211.770833,"kali_year":5111,"ahargana":1866746.2708,"sun":{"sidereal_longitude":270.6388,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":268.8489,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.2101,"elapsed_within_tithi_degrees":10.2101},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.8489,"elapsed_within_degrees":2.1822},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.4877},"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":2010,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455211.770833,"ahargana":1866746.2708,"kali_year":5111,"ayanamsa_lahiri":23.9932,"grahas":{"sun":{"sidereal_longitude":270.77541299999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":267.884013,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-0.153},"mars":{"sidereal_longitude":111.23331300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":251.32771300000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":305.58531300000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":271.410713,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":160.426913,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":270.7992,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":90.7992,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":2010,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455211.770833,"kali_year":5111,"ahargana":1866746.2708,"sun":{"sidereal_longitude":270.6388,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":268.8489,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.2101,"elapsed_within_tithi_degrees":10.2101},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.8489,"elapsed_within_degrees":2.1822},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.4877},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":true,"moon_latitude":-0.153,"elongation":1.79},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.153,"opposition_distance":178.21}},"eclipse_window_40days":[{"offset_days":-14,"type":"lunar","occurs":true,"moon_latitude":1.039,"opposition_distance":1.922},{"offset_days":0,"type":"solar","occurs":true,"moon_latitude":-0.153,"elongation":1.79}]},"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":"07:14","sunsetLocal":"17:39","solarNoonLocal":"12:26","dayLengthHours":10.412092948872973,"dayLengthDisplay":"10 Hours 24 Mins 44 Secs","nightLengthDisplay":"13 Hours 35 Mins 16 Secs","moonriseLocal":"07:05","moonsetLocal":"17:24","rahuKala":{"name":"Rāhu Kāla","start":"11:08","end":"12:26","startHours":11.136480872159767,"endHours":12.437992490768888,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:02","end":"16:21","startHours":15.041015727987132,"endHours":16.342527346596256,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:32","end":"09:50","startHours":8.533457634941524,"endHours":9.834969253550646,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.66143437106943,"endHours":10.008504136031862,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:57","startHours":7.665783222535444,"endHours":7.943439034505389,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:47","startHours":12.090922725806456,"endHours":12.78506225573132,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.843666956482673,"endHours":6.537806486407538,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.364271603926322,"endHours":7.231946016332403,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:52","startHours":14.173341315581052,"endHours":14.867480845505916,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.444038965205376,"endHours":17.844038965205375,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:05","startHours":17.644038965205375,"endHours":18.077876171408416,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.394038965205375,"endHours":19.144038965205375,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:47","startHours":24.090922725806454,"endHours":24.785062255731322,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:14","end":"08:32","startHours":7.231946016332403,"endHours":8.533457634941524,"quality":"neutral"},{"name":"Labha","start":"08:32","end":"09:50","startHours":8.533457634941524,"endHours":9.834969253550646,"quality":"auspicious"},{"name":"Amṛta","start":"09:50","end":"11:08","startHours":9.834969253550646,"endHours":11.136480872159767,"quality":"auspicious"},{"name":"Kāla","start":"11:08","end":"12:26","startHours":11.136480872159767,"endHours":12.437992490768888,"quality":"inauspicious"},{"name":"Śubha","start":"12:26","end":"13:44","startHours":12.437992490768888,"endHours":13.73950410937801,"quality":"auspicious"},{"name":"Roga","start":"13:44","end":"15:02","startHours":13.73950410937801,"endHours":15.041015727987132,"quality":"inauspicious"},{"name":"Udveg","start":"15:02","end":"16:21","startHours":15.041015727987132,"endHours":16.342527346596256,"quality":"inauspicious"},{"name":"Chala","start":"16:21","end":"17:39","startHours":16.342527346596256,"endHours":17.644038965205375,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:39","end":"19:21","startHours":17.644038965205375,"endHours":19.342527346596253,"quality":"inauspicious"},{"name":"Udveg","start":"19:21","end":"21:02","startHours":19.342527346596253,"endHours":21.041015727987133,"quality":"inauspicious"},{"name":"Chala","start":"21:02","end":"22:44","startHours":21.041015727987133,"endHours":22.73950410937801,"quality":"neutral"},{"name":"Labha","start":"22:44","end":"00:26","startHours":22.73950410937801,"endHours":24.437992490768888,"quality":"auspicious"},{"name":"Amṛta","start":"00:26","end":"02:08","startHours":24.437992490768888,"endHours":26.136480872159765,"quality":"auspicious"},{"name":"Kāla","start":"02:08","end":"03:50","startHours":26.136480872159765,"endHours":27.834969253550646,"quality":"inauspicious"},{"name":"Śubha","start":"03:50","end":"05:32","startHours":27.834969253550646,"endHours":29.533457634941524,"quality":"auspicious"},{"name":"Roga","start":"05:32","end":"07:14","startHours":29.533457634941524,"endHours":31.2319460163324,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.231946016332403,"endHours":8.231946016332403,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.231946016332403,"endHours":9.231946016332403,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.231946016332403,"endHours":10.231946016332403,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.231946016332403,"endHours":11.231946016332403,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.231946016332403,"endHours":12.231946016332403,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.231946016332403,"endHours":13.231946016332403,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.231946016332403,"endHours":14.231946016332403,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.231946016332403,"endHours":15.231946016332403,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.231946016332403,"endHours":16.2319460163324,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.2319460163324,"endHours":17.2319460163324,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.2319460163324,"endHours":18.2319460163324,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.2319460163324,"endHours":19.2319460163324,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.2319460163324,"endHours":20.2319460163324,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.2319460163324,"endHours":21.2319460163324,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.2319460163324,"endHours":22.2319460163324,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.2319460163324,"endHours":23.2319460163324,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.2319460163324,"endHours":24.2319460163324,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.2319460163324,"endHours":25.2319460163324,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.2319460163324,"endHours":26.2319460163324,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.2319460163324,"endHours":27.2319460163324,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.2319460163324,"endHours":28.2319460163324,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.2319460163324,"endHours":29.2319460163324,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.2319460163324,"endHours":30.2319460163324,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.2319460163324,"endHours":31.2319460163324,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.170463891252442,"eotMinutes":-9.349949446133257,"ayanamsa":23.9932}},"calendars":{"vikram_samvat":2067,"vikram_samvatsara":"Śobhana","saka_samvat":1932,"saka_samvatsara":"Vikṛti","bengali_samvat":1417,"malayalam_era":1186,"nanakshahi_year":541,"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 Amāvasyā · Vikram 2067 Śobhana · Śaka 1932 Vikṛti"},"festivals":[],"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 January 15, 2010 CE · Ṛṣikeśa · Vidhyamitra","description":"January 15, 2010 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 07:14, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2010-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2010-01-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/2010-01-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/2010-01-15","x-default":"https://vidhyamitra.com/city/rishikesh/2010-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:21:53.912Z","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":"2026-05-31T00:21:53.912Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:21:53.912Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}