{"id":"vidhyamitra:city-day:rishikesh:2108-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2108-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2108-01-04","date_display":"January 4, 2108 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":2108,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490993.770833,"kali_year":5209,"ahargana":1902528.2708,"sun":{"sidereal_longitude":256.9105,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":142.2893,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":245.3789,"elapsed_within_tithi_degrees":5.3789},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.2893,"elapsed_within_degrees":8.956},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.1998},"karana":{"half_tithi_index":40,"name":"Gara"},"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":2108,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490993.770833,"ahargana":1902528.2708,"kali_year":5209,"ayanamsa_lahiri":25.3618,"grahas":{"sun":{"sidereal_longitude":257.393277,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":145.66177700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":-2.4232},"mars":{"sidereal_longitude":159.83787699999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":275.03447700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":46.35337700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":296.179477,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":262.816677,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":174.8966,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":354.8966,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2108,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490993.770833,"kali_year":5209,"ahargana":1902528.2708,"sun":{"sidereal_longitude":256.9105,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":142.2893,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":245.3789,"elapsed_within_tithi_degrees":5.3789},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.2893,"elapsed_within_degrees":8.956},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.1998},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.423,"elongation":114.621},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.423,"opposition_distance":65.379}},"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":"17:30","solarNoonLocal":"12:22","dayLengthHours":10.261464339218092,"dayLengthDisplay":"10 Hours 15 Mins 41 Secs","nightLengthDisplay":"13 Hours 44 Mins 19 Secs","moonriseLocal":"22:44","moonsetLocal":"11:06","rahuKala":{"name":"Rāhu Kāla","start":"12:22","end":"13:39","startHours":12.365891781089104,"endHours":13.648574823491366,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:31","end":"09:48","startHours":8.51784265388232,"endHours":9.800525696284582,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:05","end":"12:22","startHours":11.083208738686842,"endHours":12.365891781089104,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.629501290630948,"endHours":9.971550101938217,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.6627206256141465,"endHours":7.936359674659962,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.023842969781834,"endHours":12.707940592396374,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:52","end":"06:33","startHours":5.86696436625098,"endHours":6.55106198886552,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:14","startHours":6.380037583211885,"endHours":7.235159611480059,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:46","startHours":14.076135837625454,"endHours":14.760233460239993,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.29662395069815,"endHours":17.69662395069815,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:55","startHours":17.49662395069815,"endHours":17.92418496483224,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.24662395069815,"endHours":18.99662395069815,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.023842969781835,"endHours":24.707940592396373,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:14","end":"08:31","startHours":7.235159611480059,"endHours":8.51784265388232,"quality":"auspicious"},{"name":"Amṛta","start":"08:31","end":"09:48","startHours":8.51784265388232,"endHours":9.800525696284582,"quality":"auspicious"},{"name":"Kāla","start":"09:48","end":"11:05","startHours":9.800525696284582,"endHours":11.083208738686842,"quality":"inauspicious"},{"name":"Śubha","start":"11:05","end":"12:22","startHours":11.083208738686842,"endHours":12.365891781089104,"quality":"auspicious"},{"name":"Roga","start":"12:22","end":"13:39","startHours":12.365891781089104,"endHours":13.648574823491366,"quality":"inauspicious"},{"name":"Udveg","start":"13:39","end":"14:56","startHours":13.648574823491366,"endHours":14.931257865893627,"quality":"inauspicious"},{"name":"Chala","start":"14:56","end":"16:13","startHours":14.931257865893627,"endHours":16.21394090829589,"quality":"neutral"},{"name":"Labha","start":"16:13","end":"17:30","startHours":16.21394090829589,"endHours":17.49662395069815,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:30","end":"19:13","startHours":17.49662395069815,"endHours":19.21394090829589,"quality":"inauspicious"},{"name":"Chala","start":"19:13","end":"20:56","startHours":19.21394090829589,"endHours":20.931257865893627,"quality":"neutral"},{"name":"Labha","start":"20:56","end":"22:39","startHours":20.931257865893627,"endHours":22.648574823491366,"quality":"auspicious"},{"name":"Amṛta","start":"22:39","end":"00:22","startHours":22.648574823491366,"endHours":24.365891781089104,"quality":"auspicious"},{"name":"Kāla","start":"00:22","end":"02:05","startHours":24.365891781089104,"endHours":26.083208738686842,"quality":"inauspicious"},{"name":"Śubha","start":"02:05","end":"03:48","startHours":26.083208738686842,"endHours":27.80052569628458,"quality":"auspicious"},{"name":"Roga","start":"03:48","end":"05:31","startHours":27.80052569628458,"endHours":29.51784265388232,"quality":"inauspicious"},{"name":"Udveg","start":"05:31","end":"07:14","startHours":29.51784265388232,"endHours":31.235159611480057,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.235159611480059,"endHours":8.235159611480059,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.235159611480059,"endHours":9.235159611480059,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.235159611480059,"endHours":10.235159611480059,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.235159611480059,"endHours":11.235159611480059,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.235159611480059,"endHours":12.235159611480059,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.235159611480059,"endHours":13.235159611480059,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.235159611480059,"endHours":14.235159611480059,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.235159611480059,"endHours":15.235159611480059,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.235159611480059,"endHours":16.235159611480057,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.235159611480057,"endHours":17.235159611480057,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.235159611480057,"endHours":18.235159611480057,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.235159611480057,"endHours":19.235159611480057,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.235159611480057,"endHours":20.235159611480057,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.235159611480057,"endHours":21.235159611480057,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.235159611480057,"endHours":22.235159611480057,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.235159611480057,"endHours":23.235159611480057,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.235159611480057,"endHours":24.235159611480057,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.235159611480057,"endHours":25.235159611480057,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.235159611480057,"endHours":26.235159611480057,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.235159611480057,"endHours":27.235159611480057,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.235159611480057,"endHours":28.235159611480057,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.235159611480057,"endHours":29.235159611480057,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.235159611480057,"endHours":30.235159611480057,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.235159611480057,"endHours":31.235159611480057,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Gada","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":-22.82498345038401,"eotMinutes":-5.02390686534617,"ayanamsa":25.3618}},"calendars":{"vikram_samvat":2165,"vikram_samvatsara":"Vṛṣa","saka_samvat":2030,"saka_samvatsara":"Vibhava","bengali_samvat":1515,"malayalam_era":1284,"nanakshahi_year":639,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Ṣaṣṭhī · Vikram 2165 Vṛṣa · Śaka 2030 Vibhava"},"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":"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 4, 2108 CE · Ṛṣikeśa · Vidhyamitra","description":"January 4, 2108 CE for Ṛṣikeśa: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:14, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2108-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2108-01-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/2108-01-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/2108-01-04","x-default":"https://vidhyamitra.com/city/rishikesh/2108-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T23:24:07.440Z","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":"2026-05-20T23:24:07.440Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T23:24:07.440Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}