{"id":"vidhyamitra:city-day:rishikesh:2107-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2107-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-01-01","date_display":"January 1, 2107 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":2107,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490625.770833,"kali_year":5208,"ahargana":1902160.2708,"sun":{"sidereal_longitude":254.0922,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":330.9388,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":76.8467,"elapsed_within_tithi_degrees":4.8467},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.9388,"elapsed_within_degrees":10.9388},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.031},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2107,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490625.770833,"ahargana":1902160.2708,"kali_year":5208,"ayanamsa_lahiri":25.3477,"grahas":{"sun":{"sidereal_longitude":254.59763799999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":327.40013799999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":3.0934},"mars":{"sidereal_longitude":272.007338,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":265.14533800000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":9.039238000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":207.41923799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":252.42873800000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":194.395,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":14.395,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2107,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490625.770833,"kali_year":5208,"ahargana":1902160.2708,"sun":{"sidereal_longitude":254.0922,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":330.9388,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":76.8467,"elapsed_within_tithi_degrees":4.8467},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.9388,"elapsed_within_degrees":10.9388},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.031},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.093,"elongation":76.847},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.093,"opposition_distance":103.153}},"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":"17:28","solarNoonLocal":"12:21","dayLengthHours":10.239379816762579,"dayLengthDisplay":"10 Hours 14 Mins 22 Secs","nightLengthDisplay":"13 Hours 45 Mins 38 Secs","moonriseLocal":"11:16","moonsetLocal":"23:08","rahuKala":{"name":"Rāhu Kāla","start":"09:47","end":"11:04","startHours":9.784068017865955,"endHours":11.063990494961278,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:37","end":"14:54","startHours":13.623835449151922,"endHours":14.903757926247245,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:13","end":"08:30","startHours":7.224223063675311,"endHours":8.504145540770633,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:57","startHours":9.613411687586579,"endHours":9.954724348145332,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:55","startHours":7.650863889373752,"endHours":7.923914017820754,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:41","startHours":12.002600311497847,"endHours":12.685225632615353,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:52","end":"06:32","startHours":5.8589724214403,"endHours":6.541597742557805,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:13","startHours":6.370941412278429,"endHours":7.224223063675311,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:44","startHours":14.050476274850364,"endHours":14.73310159596787,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.26360288043789,"endHours":17.66360288043789,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:53","startHours":17.46360288043789,"endHours":17.89024370613633,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.21360288043789,"endHours":18.96360288043789,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:41","startHours":24.002600311497847,"endHours":24.685225632615353,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:13","end":"08:30","startHours":7.224223063675311,"endHours":8.504145540770633,"quality":"inauspicious"},{"name":"Śubha","start":"08:30","end":"09:47","startHours":8.504145540770633,"endHours":9.784068017865955,"quality":"auspicious"},{"name":"Roga","start":"09:47","end":"11:04","startHours":9.784068017865955,"endHours":11.063990494961278,"quality":"inauspicious"},{"name":"Udveg","start":"11:04","end":"12:21","startHours":11.063990494961278,"endHours":12.3439129720566,"quality":"inauspicious"},{"name":"Chala","start":"12:21","end":"13:37","startHours":12.3439129720566,"endHours":13.623835449151922,"quality":"neutral"},{"name":"Labha","start":"13:37","end":"14:54","startHours":13.623835449151922,"endHours":14.903757926247245,"quality":"auspicious"},{"name":"Amṛta","start":"14:54","end":"16:11","startHours":14.903757926247245,"endHours":16.183680403342567,"quality":"auspicious"},{"name":"Kāla","start":"16:11","end":"17:28","startHours":16.183680403342567,"endHours":17.46360288043789,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:11","startHours":17.46360288043789,"endHours":19.183680403342567,"quality":"auspicious"},{"name":"Amṛta","start":"19:11","end":"20:54","startHours":19.183680403342567,"endHours":20.903757926247245,"quality":"auspicious"},{"name":"Kāla","start":"20:54","end":"22:37","startHours":20.903757926247245,"endHours":22.623835449151922,"quality":"inauspicious"},{"name":"Śubha","start":"22:37","end":"00:21","startHours":22.623835449151922,"endHours":24.3439129720566,"quality":"auspicious"},{"name":"Roga","start":"00:21","end":"02:04","startHours":24.3439129720566,"endHours":26.063990494961278,"quality":"inauspicious"},{"name":"Udveg","start":"02:04","end":"03:47","startHours":26.063990494961278,"endHours":27.784068017865955,"quality":"inauspicious"},{"name":"Chala","start":"03:47","end":"05:30","startHours":27.784068017865955,"endHours":29.504145540770633,"quality":"neutral"},{"name":"Labha","start":"05:30","end":"07:13","startHours":29.504145540770633,"endHours":31.22422306367531,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.224223063675311,"endHours":8.22422306367531,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.22422306367531,"endHours":9.22422306367531,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.22422306367531,"endHours":10.22422306367531,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.22422306367531,"endHours":11.22422306367531,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.22422306367531,"endHours":12.22422306367531,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.22422306367531,"endHours":13.22422306367531,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.22422306367531,"endHours":14.22422306367531,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.22422306367531,"endHours":15.22422306367531,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.22422306367531,"endHours":16.22422306367531,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.22422306367531,"endHours":17.22422306367531,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.22422306367531,"endHours":18.22422306367531,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.22422306367531,"endHours":19.22422306367531,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.22422306367531,"endHours":20.22422306367531,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.22422306367531,"endHours":21.22422306367531,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.22422306367531,"endHours":22.22422306367531,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.22422306367531,"endHours":23.22422306367531,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.22422306367531,"endHours":24.22422306367531,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.22422306367531,"endHours":25.22422306367531,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.22422306367531,"endHours":26.22422306367531,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.22422306367531,"endHours":27.22422306367531,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.22422306367531,"endHours":28.22422306367531,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.22422306367531,"endHours":29.22422306367531,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.22422306367531,"endHours":30.22422306367531,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.22422306367531,"endHours":31.22422306367531,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"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":-23.063789859539884,"eotMinutes":-3.705178323396069,"ayanamsa":25.3477}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram 2164 Vikrama · Śaka 2029 Prabhava"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 1, 2107 CE · Ṛṣikeśa · Vidhyamitra","description":"January 1, 2107 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 07:13, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2107-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2107-01-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2107-01-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2107-01-01","x-default":"https://vidhyamitra.com/city/rishikesh/2107-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T04:13:42.020Z","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":"2026-05-21T04:13:42.020Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T04:13:42.020Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}