{"id":"vidhyamitra:city-day:rishikesh:2136-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2136-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2136-01-17","date_display":"January 17, 2136 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":2136,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501233.770833,"kali_year":5237,"ahargana":1912768.2708,"sun":{"sidereal_longitude":270.0193,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":62.928,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.9087,"elapsed_within_tithi_degrees":8.9087},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":62.928,"elapsed_within_degrees":9.5946},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.9472},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2136,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501233.770833,"ahargana":1912768.2708,"kali_year":5237,"ayanamsa_lahiri":25.7534,"grahas":{"sun":{"sidereal_longitude":270.45603400000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":64.225234,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":4.2439},"mars":{"sidereal_longitude":103.99953399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":246.260534,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":186.59813399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":241.985634,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":249.69843400000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":352.3321,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":172.3321,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2136,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501233.770833,"kali_year":5237,"ahargana":1912768.2708,"sun":{"sidereal_longitude":270.0193,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":62.928,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.9087,"elapsed_within_tithi_degrees":8.9087},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":62.928,"elapsed_within_degrees":9.5946},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.9472},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.244,"elongation":152.909},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.244,"opposition_distance":27.091}},"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":"07:14","sunsetLocal":"17:40","solarNoonLocal":"12:27","dayLengthHours":10.435781722341408,"dayLengthDisplay":"10 Hours 26 Mins 09 Secs","nightLengthDisplay":"13 Hours 33 Mins 51 Secs","moonriseLocal":"15:41","moonsetLocal":"05:43","rahuKala":{"name":"Rāhu Kāla","start":"15:03","end":"16:22","startHours":15.058206909687163,"endHours":16.36267962497984,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:50","end":"11:09","startHours":9.84031604851646,"endHours":11.144788763809135,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:27","end":"13:45","startHours":12.44926147910181,"endHours":13.753734194394488,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.666386353144102,"endHours":10.014245743888816,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:57","startHours":7.666194856361999,"endHours":7.94448236895777,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:48","startHours":12.101402088357098,"endHours":12.797120869846523,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:32","startHours":5.839933054952253,"endHours":6.53565183644168,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.361722141069324,"endHours":7.231370617931107,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:53","startHours":14.18855843282538,"endHours":14.884277214314807,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.467152340272516,"endHours":17.867152340272515,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:06","startHours":17.667152340272516,"endHours":18.101976578703407,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.417152340272516,"endHours":19.167152340272516,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:48","startHours":24.101402088357098,"endHours":24.797120869846523,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:14","end":"08:32","startHours":7.231370617931107,"endHours":8.535843333223783,"quality":"inauspicious"},{"name":"Udveg","start":"08:32","end":"09:50","startHours":8.535843333223783,"endHours":9.84031604851646,"quality":"inauspicious"},{"name":"Chala","start":"09:50","end":"11:09","startHours":9.84031604851646,"endHours":11.144788763809135,"quality":"neutral"},{"name":"Labha","start":"11:09","end":"12:27","startHours":11.144788763809135,"endHours":12.44926147910181,"quality":"auspicious"},{"name":"Amṛta","start":"12:27","end":"13:45","startHours":12.44926147910181,"endHours":13.753734194394488,"quality":"auspicious"},{"name":"Kāla","start":"13:45","end":"15:03","startHours":13.753734194394488,"endHours":15.058206909687163,"quality":"inauspicious"},{"name":"Śubha","start":"15:03","end":"16:22","startHours":15.058206909687163,"endHours":16.36267962497984,"quality":"auspicious"},{"name":"Roga","start":"16:22","end":"17:40","startHours":16.36267962497984,"endHours":17.667152340272516,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:40","end":"19:22","startHours":17.667152340272516,"endHours":19.36267962497984,"quality":"inauspicious"},{"name":"Śubha","start":"19:22","end":"21:03","startHours":19.36267962497984,"endHours":21.058206909687165,"quality":"auspicious"},{"name":"Roga","start":"21:03","end":"22:45","startHours":21.058206909687165,"endHours":22.75373419439449,"quality":"inauspicious"},{"name":"Udveg","start":"22:45","end":"00:27","startHours":22.75373419439449,"endHours":24.44926147910181,"quality":"inauspicious"},{"name":"Chala","start":"00:27","end":"02:09","startHours":24.44926147910181,"endHours":26.144788763809135,"quality":"neutral"},{"name":"Labha","start":"02:09","end":"03:50","startHours":26.144788763809135,"endHours":27.84031604851646,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:32","startHours":27.84031604851646,"endHours":29.53584333322378,"quality":"auspicious"},{"name":"Kāla","start":"05:32","end":"07:14","startHours":29.53584333322378,"endHours":31.231370617931105,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.231370617931107,"endHours":8.231370617931107,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.231370617931107,"endHours":9.231370617931107,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.231370617931107,"endHours":10.231370617931107,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.231370617931107,"endHours":11.231370617931107,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.231370617931107,"endHours":12.231370617931107,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.231370617931107,"endHours":13.231370617931107,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.231370617931107,"endHours":14.231370617931107,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.231370617931107,"endHours":15.231370617931107,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.231370617931107,"endHours":16.231370617931105,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.231370617931105,"endHours":17.231370617931105,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.231370617931105,"endHours":18.231370617931105,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.231370617931105,"endHours":19.231370617931105,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.231370617931105,"endHours":20.231370617931105,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.231370617931105,"endHours":21.231370617931105,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.231370617931105,"endHours":22.231370617931105,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.231370617931105,"endHours":23.231370617931105,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.231370617931105,"endHours":24.231370617931105,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.231370617931105,"endHours":25.231370617931105,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.231370617931105,"endHours":26.231370617931105,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.231370617931105,"endHours":27.231370617931105,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.231370617931105,"endHours":28.231370617931105,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.231370617931105,"endHours":29.231370617931105,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.231370617931105,"endHours":30.231370617931105,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.231370617931105,"endHours":31.231370617931105,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.9062474383193,"eotMinutes":-10.026088746108654,"ayanamsa":25.7534}},"calendars":{"vikram_samvat":2193,"vikram_samvatsara":"Saumya","saka_samvat":2058,"saka_samvatsara":"Durmukhi","bengali_samvat":1543,"malayalam_era":1312,"nanakshahi_year":667,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Trayodaśī · Vikram 2193 Saumya · Śaka 2058 Durmukhi"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 17, 2136 CE · Ṛṣikeśa · Vidhyamitra","description":"January 17, 2136 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 07:14, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2136-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2136-01-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2136-01-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2136-01-17","x-default":"https://vidhyamitra.com/city/rishikesh/2136-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T10:55:35.521Z","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":"2026-05-25T10:55:35.521Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T10:55:35.521Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}