{"id":"vidhyamitra:city-day:rishikesh:2010-01-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2010-01-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2010-01-29","date_display":"January 29, 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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455225.770833,"kali_year":5111,"ahargana":1866760.2708,"sun":{"sidereal_longitude":284.9907,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":88.1628,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.1721,"elapsed_within_tithi_degrees":7.1721},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":88.1628,"elapsed_within_degrees":8.1628},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":13.1536},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455225.770833,"ahargana":1866760.2708,"kali_year":5111,"ayanamsa_lahiri":23.9938,"grahas":{"sun":{"sidereal_longitude":285.018678,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":87.67677800000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":0.1486},"mars":{"sidereal_longitude":105.98107800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":260.13457800000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":308.737978,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":289.00777800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":160.21747800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":270.0574,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":90.0574,"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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455225.770833,"kali_year":5111,"ahargana":1866760.2708,"sun":{"sidereal_longitude":284.9907,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":88.1628,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.1721,"elapsed_within_tithi_degrees":7.1721},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":88.1628,"elapsed_within_degrees":8.1628},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":13.1536},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.149,"elongation":163.172},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.149,"opposition_distance":16.828}},"eclipse_window_40days":[{"offset_days":-14,"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":"07:09","sunsetLocal":"17:51","solarNoonLocal":"12:30","dayLengthHours":10.690305379485416,"dayLengthDisplay":"10 Hours 41 Mins 25 Secs","nightLengthDisplay":"13 Hours 18 Mins 35 Secs","moonriseLocal":"16:24","moonsetLocal":"06:17","rahuKala":{"name":"Rāhu Kāla","start":"11:10","end":"12:30","startHours":11.165407193776227,"endHours":12.501695366211905,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:10","end":"16:31","startHours":15.174271711083257,"endHours":16.510559883518937,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:30","end":"09:50","startHours":8.492830848904873,"endHours":9.82911902134055,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:00","startHours":9.650947265015793,"endHours":10.007290777665308,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:53","startHours":7.601972067281088,"endHours":7.887046877400699,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:51","startHours":12.14535185356239,"endHours":12.85803887886142,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:27","startHours":5.731168625871141,"endHours":6.443855651170169,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:09","startHours":6.265683894845411,"endHours":7.156542676469196,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:00","startHours":14.283412929459473,"endHours":14.9960999547585,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.646848055954614,"endHours":18.046848055954612,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:18","startHours":17.846848055954613,"endHours":18.292277446766505,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.596848055954613,"endHours":19.346848055954613,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:51","startHours":24.145351853562392,"endHours":24.858038878861418,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:09","end":"08:30","startHours":7.156542676469196,"endHours":8.492830848904873,"quality":"neutral"},{"name":"Labha","start":"08:30","end":"09:50","startHours":8.492830848904873,"endHours":9.82911902134055,"quality":"auspicious"},{"name":"Amṛta","start":"09:50","end":"11:10","startHours":9.82911902134055,"endHours":11.165407193776227,"quality":"auspicious"},{"name":"Kāla","start":"11:10","end":"12:30","startHours":11.165407193776227,"endHours":12.501695366211905,"quality":"inauspicious"},{"name":"Śubha","start":"12:30","end":"13:50","startHours":12.501695366211905,"endHours":13.837983538647581,"quality":"auspicious"},{"name":"Roga","start":"13:50","end":"15:10","startHours":13.837983538647581,"endHours":15.174271711083257,"quality":"inauspicious"},{"name":"Udveg","start":"15:10","end":"16:31","startHours":15.174271711083257,"endHours":16.510559883518937,"quality":"inauspicious"},{"name":"Chala","start":"16:31","end":"17:51","startHours":16.510559883518937,"endHours":17.846848055954613,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:51","end":"19:31","startHours":17.846848055954613,"endHours":19.510559883518937,"quality":"inauspicious"},{"name":"Udveg","start":"19:31","end":"21:10","startHours":19.510559883518937,"endHours":21.174271711083257,"quality":"inauspicious"},{"name":"Chala","start":"21:10","end":"22:50","startHours":21.174271711083257,"endHours":22.83798353864758,"quality":"neutral"},{"name":"Labha","start":"22:50","end":"00:30","startHours":22.83798353864758,"endHours":24.501695366211905,"quality":"auspicious"},{"name":"Amṛta","start":"00:30","end":"02:10","startHours":24.501695366211905,"endHours":26.16540719377623,"quality":"auspicious"},{"name":"Kāla","start":"02:10","end":"03:50","startHours":26.16540719377623,"endHours":27.829119021340553,"quality":"inauspicious"},{"name":"Śubha","start":"03:50","end":"05:30","startHours":27.829119021340553,"endHours":29.492830848904873,"quality":"auspicious"},{"name":"Roga","start":"05:30","end":"07:09","startHours":29.492830848904873,"endHours":31.156542676469197,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:09","end":"08:09","startHours":7.156542676469196,"endHours":8.156542676469197,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:09","end":"09:09","startHours":8.156542676469197,"endHours":9.156542676469197,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:09","end":"10:09","startHours":9.156542676469197,"endHours":10.156542676469197,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:09","end":"11:09","startHours":10.156542676469197,"endHours":11.156542676469197,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:09","end":"12:09","startHours":11.156542676469197,"endHours":12.156542676469197,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:09","end":"13:09","startHours":12.156542676469197,"endHours":13.156542676469197,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:09","end":"14:09","startHours":13.156542676469197,"endHours":14.156542676469197,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:09","end":"15:09","startHours":14.156542676469197,"endHours":15.156542676469197,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:09","end":"16:09","startHours":15.156542676469197,"endHours":16.156542676469197,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:09","end":"17:09","startHours":16.156542676469197,"endHours":17.156542676469197,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:09","end":"18:09","startHours":17.156542676469197,"endHours":18.156542676469197,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:09","end":"19:09","startHours":18.156542676469197,"endHours":19.156542676469197,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:09","end":"20:09","startHours":19.156542676469197,"endHours":20.156542676469197,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:09","end":"21:09","startHours":20.156542676469197,"endHours":21.156542676469197,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:09","end":"22:09","startHours":21.156542676469197,"endHours":22.156542676469197,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:09","end":"23:09","startHours":22.156542676469197,"endHours":23.156542676469197,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:09","end":"00:09","startHours":23.156542676469197,"endHours":24.156542676469197,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:09","end":"01:09","startHours":24.156542676469197,"endHours":25.156542676469197,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:09","end":"02:09","startHours":25.156542676469197,"endHours":26.156542676469197,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:09","end":"03:09","startHours":26.156542676469197,"endHours":27.156542676469197,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:09","end":"04:09","startHours":27.156542676469197,"endHours":28.156542676469197,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:09","end":"05:09","startHours":28.156542676469197,"endHours":29.156542676469197,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:09","end":"06:09","startHours":29.156542676469197,"endHours":30.156542676469197,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:09","end":"07:09","startHours":30.156542676469197,"endHours":31.156542676469197,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","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":-18.001485818674855,"eotMinutes":-13.172121972714217,"ayanamsa":23.9938}},"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 Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturdaśī · Vikram 2067 Śobhana · Śaka 1932 Vikṛti"},"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 29, 2010 CE · Ṛṣikeśa · Vidhyamitra","description":"January 29, 2010 CE for Ṛṣikeśa: Śukla Caturdaśī, sūryodaya 07:09, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2010-01-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2010-01-29","sa":"https://sa.vidhyamitra.com/city/rishikesh/2010-01-29","hi":"https://hi.vidhyamitra.com/city/rishikesh/2010-01-29","x-default":"https://vidhyamitra.com/city/rishikesh/2010-01-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T04:23:29.825Z","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":"2026-05-20T04:23:29.825Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T04:23:29.825Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}