{"id":"vidhyamitra:city-day:rishikesh:2018-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2018-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-01-11","date_display":"January 11, 2018 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":2018,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458129.770833,"kali_year":5119,"ahargana":1869664.2708,"sun":{"sidereal_longitude":266.458,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":197.7222,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":291.2642,"elapsed_within_tithi_degrees":3.2642},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.7222,"elapsed_within_degrees":11.0555},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.1801},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2018,"month":1,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458129.770833,"ahargana":1869664.2708,"kali_year":5119,"ayanamsa_lahiri":24.1048,"grahas":{"sun":{"sidereal_longitude":266.647424,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":200.80222400000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.4509},"mars":{"sidereal_longitude":206.01092400000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":245.341324,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":204.21072400000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":266.81742399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":248.30162400000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":116.1895,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":296.1895,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"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":2018,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458129.770833,"kali_year":5119,"ahargana":1869664.2708,"sun":{"sidereal_longitude":266.458,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":197.7222,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":291.2642,"elapsed_within_tithi_degrees":3.2642},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.7222,"elapsed_within_degrees":11.0555},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.1801},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.451,"elongation":68.736},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.451,"opposition_distance":111.264}},"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":"17:35","solarNoonLocal":"12:25","dayLengthHours":10.352116321886804,"dayLengthDisplay":"10 Hours 21 Mins 08 Secs","nightLengthDisplay":"13 Hours 38 Mins 52 Secs","moonriseLocal":"02:38","moonsetLocal":"13:25","rahuKala":{"name":"Rāhu Kāla","start":"13:42","end":"15:00","startHours":13.70761624415196,"endHours":15.00163078438781,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:14","end":"08:32","startHours":7.237543542972708,"endHours":8.531558083208559,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:50","end":"11:07","startHours":9.825572623444408,"endHours":11.11958716368026,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:00","startHours":9.653037351412962,"endHours":9.998107895475856,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:57","startHours":7.668881723051325,"endHours":7.94493815830164,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:46","startHours":12.068531159853217,"endHours":12.758672247979005,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:33","startHours":5.857261366721135,"endHours":6.547402454846921,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.374867182815475,"endHours":7.237543542972708,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:50","startHours":14.138954424230576,"endHours":14.829095512356362,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.389659864859514,"endHours":17.789659864859512,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:01","startHours":17.589659864859513,"endHours":18.02099804493813,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.339659864859513,"endHours":19.089659864859513,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:46","startHours":24.06853115985322,"endHours":24.758672247979003,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:14","end":"08:32","startHours":7.237543542972708,"endHours":8.531558083208559,"quality":"auspicious"},{"name":"Roga","start":"08:32","end":"09:50","startHours":8.531558083208559,"endHours":9.825572623444408,"quality":"inauspicious"},{"name":"Udveg","start":"09:50","end":"11:07","startHours":9.825572623444408,"endHours":11.11958716368026,"quality":"inauspicious"},{"name":"Chala","start":"11:07","end":"12:25","startHours":11.11958716368026,"endHours":12.413601703916111,"quality":"neutral"},{"name":"Labha","start":"12:25","end":"13:42","startHours":12.413601703916111,"endHours":13.70761624415196,"quality":"auspicious"},{"name":"Amṛta","start":"13:42","end":"15:00","startHours":13.70761624415196,"endHours":15.00163078438781,"quality":"auspicious"},{"name":"Kāla","start":"15:00","end":"16:18","startHours":15.00163078438781,"endHours":16.295645324623663,"quality":"inauspicious"},{"name":"Śubha","start":"16:18","end":"17:35","startHours":16.295645324623663,"endHours":17.589659864859513,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:35","end":"19:18","startHours":17.589659864859513,"endHours":19.295645324623663,"quality":"auspicious"},{"name":"Kāla","start":"19:18","end":"21:00","startHours":19.295645324623663,"endHours":21.001630784387814,"quality":"inauspicious"},{"name":"Śubha","start":"21:00","end":"22:42","startHours":21.001630784387814,"endHours":22.70761624415196,"quality":"auspicious"},{"name":"Roga","start":"22:42","end":"00:25","startHours":22.70761624415196,"endHours":24.41360170391611,"quality":"inauspicious"},{"name":"Udveg","start":"00:25","end":"02:07","startHours":24.41360170391611,"endHours":26.11958716368026,"quality":"inauspicious"},{"name":"Chala","start":"02:07","end":"03:50","startHours":26.11958716368026,"endHours":27.82557262344441,"quality":"neutral"},{"name":"Labha","start":"03:50","end":"05:32","startHours":27.82557262344441,"endHours":29.53155808320856,"quality":"auspicious"},{"name":"Amṛta","start":"05:32","end":"07:14","startHours":29.53155808320856,"endHours":31.23754354297271,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.237543542972708,"endHours":8.237543542972709,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.237543542972709,"endHours":9.237543542972709,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.237543542972709,"endHours":10.237543542972709,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.237543542972709,"endHours":11.237543542972709,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.237543542972709,"endHours":12.237543542972709,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.237543542972709,"endHours":13.237543542972709,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.237543542972709,"endHours":14.237543542972709,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.237543542972709,"endHours":15.237543542972709,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.237543542972709,"endHours":16.23754354297271,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.23754354297271,"endHours":17.23754354297271,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.23754354297271,"endHours":18.23754354297271,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.23754354297271,"endHours":19.23754354297271,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.23754354297271,"endHours":20.23754354297271,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.23754354297271,"endHours":21.23754354297271,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.23754354297271,"endHours":22.23754354297271,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.23754354297271,"endHours":23.23754354297271,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.23754354297271,"endHours":24.23754354297271,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.23754354297271,"endHours":25.23754354297271,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.23754354297271,"endHours":26.23754354297271,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.23754354297271,"endHours":27.23754354297271,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.23754354297271,"endHours":28.23754354297271,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.23754354297271,"endHours":29.23754354297271,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.23754354297271,"endHours":30.23754354297271,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.23754354297271,"endHours":31.23754354297271,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.834581052662998,"eotMinutes":-7.886502234966622,"ayanamsa":24.1048}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Daśamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 11, 2018 CE · Ṛṣikeśa · Vidhyamitra","description":"January 11, 2018 CE for Ṛṣikeśa: Kṛṣṇa Daśamī, sūryodaya 07:14, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2018-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2018-01-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/2018-01-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/2018-01-11","x-default":"https://vidhyamitra.com/city/rishikesh/2018-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:36:26.488Z","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":"2026-05-15T20:36:26.488Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:36:26.488Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}