{"id":"vidhyamitra:city-day:rishikesh:2079-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2079-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2079-01-18","date_display":"January 18, 2079 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":2079,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2480416.770833,"kali_year":5180,"ahargana":1891951.2708,"sun":{"sidereal_longitude":272.8419,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.7949,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":188.9531,"elapsed_within_tithi_degrees":8.9531},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.7949,"elapsed_within_degrees":8.4616},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.6368},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":2079,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2480416.770833,"ahargana":1891951.2708,"kali_year":5180,"ayanamsa_lahiri":24.9572,"grahas":{"sun":{"sidereal_longitude":273.121796,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":100.76309600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":4.4915},"mars":{"sidereal_longitude":316.40519599999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":274.480596,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":247.676196,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":297.192496,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":269.70279600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":15.317,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":195.317,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2079,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2480416.770833,"kali_year":5180,"ahargana":1891951.2708,"sun":{"sidereal_longitude":272.8419,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.7949,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":188.9531,"elapsed_within_tithi_degrees":8.9531},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.7949,"elapsed_within_degrees":8.4616},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.6368},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.491,"elongation":171.047},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.491,"opposition_distance":8.953}},"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":"07:13","sunsetLocal":"17:41","solarNoonLocal":"12:27","dayLengthHours":10.468145337649842,"dayLengthDisplay":"10 Hours 28 Mins 05 Secs","nightLengthDisplay":"13 Hours 31 Mins 55 Secs","moonriseLocal":"18:09","moonsetLocal":"07:46","rahuKala":{"name":"Rāhu Kāla","start":"12:27","end":"13:46","startHours":12.45464715969483,"endHours":13.76316532690106,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:32","end":"09:50","startHours":8.52909265807614,"endHours":9.83761082528237,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:09","end":"12:27","startHours":11.146128992488599,"endHours":12.45464715969483,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.663141736321538,"endHours":10.0120799142432,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.656747213271986,"endHours":7.935897755609315,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:48","startHours":12.105708981773168,"endHours":12.803585337616491,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:49","end":"06:31","startHours":5.824821779183264,"endHours":6.5226981350265865,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:13","startHours":6.3482290460657556,"endHours":7.220574490869909,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:54","startHours":14.199338049303137,"endHours":14.89721440514646,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:29","end":"17:53","startHours":17.488719828519752,"endHours":17.88871982851975,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:41","end":"18:07","startHours":17.68871982851975,"endHours":18.124892550921828,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:26","end":"19:11","startHours":17.43871982851975,"endHours":19.18871982851975,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:48","startHours":24.10570898177317,"endHours":24.80358533761649,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:13","end":"08:32","startHours":7.220574490869909,"endHours":8.52909265807614,"quality":"auspicious"},{"name":"Amṛta","start":"08:32","end":"09:50","startHours":8.52909265807614,"endHours":9.83761082528237,"quality":"auspicious"},{"name":"Kāla","start":"09:50","end":"11:09","startHours":9.83761082528237,"endHours":11.146128992488599,"quality":"inauspicious"},{"name":"Śubha","start":"11:09","end":"12:27","startHours":11.146128992488599,"endHours":12.45464715969483,"quality":"auspicious"},{"name":"Roga","start":"12:27","end":"13:46","startHours":12.45464715969483,"endHours":13.76316532690106,"quality":"inauspicious"},{"name":"Udveg","start":"13:46","end":"15:04","startHours":13.76316532690106,"endHours":15.07168349410729,"quality":"inauspicious"},{"name":"Chala","start":"15:04","end":"16:23","startHours":15.07168349410729,"endHours":16.38020166131352,"quality":"neutral"},{"name":"Labha","start":"16:23","end":"17:41","startHours":16.38020166131352,"endHours":17.68871982851975,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:41","end":"19:23","startHours":17.68871982851975,"endHours":19.38020166131352,"quality":"inauspicious"},{"name":"Chala","start":"19:23","end":"21:04","startHours":19.38020166131352,"endHours":21.07168349410729,"quality":"neutral"},{"name":"Labha","start":"21:04","end":"22:46","startHours":21.07168349410729,"endHours":22.76316532690106,"quality":"auspicious"},{"name":"Amṛta","start":"22:46","end":"00:27","startHours":22.76316532690106,"endHours":24.45464715969483,"quality":"auspicious"},{"name":"Kāla","start":"00:27","end":"02:09","startHours":24.45464715969483,"endHours":26.1461289924886,"quality":"inauspicious"},{"name":"Śubha","start":"02:09","end":"03:50","startHours":26.1461289924886,"endHours":27.83761082528237,"quality":"auspicious"},{"name":"Roga","start":"03:50","end":"05:32","startHours":27.83761082528237,"endHours":29.529092658076138,"quality":"inauspicious"},{"name":"Udveg","start":"05:32","end":"07:13","startHours":29.529092658076138,"endHours":31.220574490869907,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.220574490869909,"endHours":8.22057449086991,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.22057449086991,"endHours":9.22057449086991,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.22057449086991,"endHours":10.22057449086991,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.22057449086991,"endHours":11.22057449086991,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.22057449086991,"endHours":12.22057449086991,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.22057449086991,"endHours":13.22057449086991,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.22057449086991,"endHours":14.22057449086991,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.22057449086991,"endHours":15.22057449086991,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.22057449086991,"endHours":16.220574490869907,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.220574490869907,"endHours":17.220574490869907,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.220574490869907,"endHours":18.220574490869907,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.220574490869907,"endHours":19.220574490869907,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.220574490869907,"endHours":20.220574490869907,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.220574490869907,"endHours":21.220574490869907,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.220574490869907,"endHours":22.220574490869907,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.220574490869907,"endHours":23.220574490869907,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.220574490869907,"endHours":24.220574490869907,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.220574490869907,"endHours":25.220574490869907,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.220574490869907,"endHours":26.220574490869907,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.220574490869907,"endHours":27.220574490869907,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.220574490869907,"endHours":28.220574490869907,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.220574490869907,"endHours":29.220574490869907,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.220574490869907,"endHours":30.220574490869907,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.220574490869907,"endHours":31.220574490869907,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","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":-20.543544214930346,"eotMinutes":-10.349229581689698,"ayanamsa":24.9572}},"calendars":{"vikram_samvat":2136,"vikram_samvatsara":"Paridhāvi","saka_samvat":2001,"saka_samvatsara":"Vikāri","bengali_samvat":1486,"malayalam_era":1255,"nanakshahi_year":610,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Pratipada · Vikram 2136 Paridhāvi · Śaka 2001 Vikāri"},"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":"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":[]},"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 18, 2079 CE · Ṛṣikeśa · Vidhyamitra","description":"January 18, 2079 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 07:13, sūryāsta 17:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2079-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2079-01-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2079-01-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2079-01-18","x-default":"https://vidhyamitra.com/city/rishikesh/2079-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T10:52:30.724Z","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":"2026-05-19T10:52:30.724Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T10:52:30.724Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}