{"id":"vidhyamitra:city-day:rishikesh:2107-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2107-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-01-16","date_display":"January 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490640.770833,"kali_year":5208,"ahargana":1902175.2708,"sun":{"sidereal_longitude":269.5098,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":175.2609,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.7511,"elapsed_within_tithi_degrees":1.7511},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.2609,"elapsed_within_degrees":1.9275},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.7707},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490640.770833,"ahargana":1902175.2708,"kali_year":5208,"ayanamsa_lahiri":25.3483,"grahas":{"sun":{"sidereal_longitude":269.88236400000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":179.05686400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-1.4146},"mars":{"sidereal_longitude":283.779764,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":287.23066400000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":9.467464000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":224.56456400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":254.188264,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":193.6002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":13.6002,"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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490640.770833,"kali_year":5208,"ahargana":1902175.2708,"sun":{"sidereal_longitude":269.5098,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":175.2609,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.7511,"elapsed_within_tithi_degrees":1.7511},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.2609,"elapsed_within_degrees":1.9275},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.7707},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.415,"elongation":94.249},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.415,"opposition_distance":85.751}},"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":"17:39","solarNoonLocal":"12:27","dayLengthHours":10.41956835702181,"dayLengthDisplay":"10 Hours 25 Mins 10 Secs","nightLengthDisplay":"13 Hours 34 Mins 50 Secs","moonriseLocal":"00:43","moonsetLocal":"12:04","rahuKala":{"name":"Rāhu Kāla","start":"16:21","end":"17:39","startHours":16.351046492912808,"endHours":17.653492537540533,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:27","end":"13:45","startHours":12.443708359029628,"endHours":13.746154403657355,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:03","end":"16:21","startHours":15.048600448285082,"endHours":16.351046492912808,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.665156797157147,"endHours":10.012475742391207,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:57","startHours":7.6680728620613,"endHours":7.945928018248549,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:47","startHours":12.096389413795569,"endHours":12.791027304263688,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.844648399582483,"endHours":6.539286290050604,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.365626817433574,"endHours":7.233924180518724,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:52","startHours":14.180303085199931,"endHours":14.874940975668052,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.453492537540534,"endHours":17.853492537540532,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:05","startHours":17.653492537540533,"endHours":18.087641219083107,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.403492537540533,"endHours":19.153492537540533,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:47","startHours":24.096389413795567,"endHours":24.79102730426369,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:14","end":"08:32","startHours":7.233924180518724,"endHours":8.53637022514645,"quality":"inauspicious"},{"name":"Chala","start":"08:32","end":"09:50","startHours":8.53637022514645,"endHours":9.838816269774178,"quality":"neutral"},{"name":"Labha","start":"09:50","end":"11:08","startHours":9.838816269774178,"endHours":11.141262314401903,"quality":"auspicious"},{"name":"Amṛta","start":"11:08","end":"12:27","startHours":11.141262314401903,"endHours":12.443708359029628,"quality":"auspicious"},{"name":"Kāla","start":"12:27","end":"13:45","startHours":12.443708359029628,"endHours":13.746154403657355,"quality":"inauspicious"},{"name":"Śubha","start":"13:45","end":"15:03","startHours":13.746154403657355,"endHours":15.048600448285082,"quality":"auspicious"},{"name":"Roga","start":"15:03","end":"16:21","startHours":15.048600448285082,"endHours":16.351046492912808,"quality":"inauspicious"},{"name":"Udveg","start":"16:21","end":"17:39","startHours":16.351046492912808,"endHours":17.653492537540533,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:39","end":"19:21","startHours":17.653492537540533,"endHours":19.351046492912808,"quality":"auspicious"},{"name":"Roga","start":"19:21","end":"21:03","startHours":19.351046492912808,"endHours":21.04860044828508,"quality":"inauspicious"},{"name":"Udveg","start":"21:03","end":"22:45","startHours":21.04860044828508,"endHours":22.746154403657354,"quality":"inauspicious"},{"name":"Chala","start":"22:45","end":"00:27","startHours":22.746154403657354,"endHours":24.44370835902963,"quality":"neutral"},{"name":"Labha","start":"00:27","end":"02:08","startHours":24.44370835902963,"endHours":26.141262314401903,"quality":"auspicious"},{"name":"Amṛta","start":"02:08","end":"03:50","startHours":26.141262314401903,"endHours":27.838816269774178,"quality":"auspicious"},{"name":"Kāla","start":"03:50","end":"05:32","startHours":27.838816269774178,"endHours":29.53637022514645,"quality":"inauspicious"},{"name":"Śubha","start":"05:32","end":"07:14","startHours":29.53637022514645,"endHours":31.233924180518724,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.233924180518724,"endHours":8.233924180518724,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.233924180518724,"endHours":9.233924180518724,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.233924180518724,"endHours":10.233924180518724,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.233924180518724,"endHours":11.233924180518724,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.233924180518724,"endHours":12.233924180518724,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.233924180518724,"endHours":13.233924180518724,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.233924180518724,"endHours":14.233924180518724,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.233924180518724,"endHours":15.233924180518724,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.233924180518724,"endHours":16.233924180518724,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.233924180518724,"endHours":17.233924180518724,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.233924180518724,"endHours":18.233924180518724,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.233924180518724,"endHours":19.233924180518724,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.233924180518724,"endHours":20.233924180518724,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.233924180518724,"endHours":21.233924180518724,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.233924180518724,"endHours":22.233924180518724,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.233924180518724,"endHours":23.233924180518724,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.233924180518724,"endHours":24.233924180518724,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.233924180518724,"endHours":25.233924180518724,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.233924180518724,"endHours":26.233924180518724,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.233924180518724,"endHours":27.233924180518724,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.233924180518724,"endHours":28.233924180518724,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.233924180518724,"endHours":29.233924180518724,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.233924180518724,"endHours":30.233924180518724,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.233924180518724,"endHours":31.233924180518724,"planetary_lord":"Jupiter"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","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":-21.087201941483396,"eotMinutes":-9.692901541777706,"ayanamsa":25.3483}},"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 Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Aṣṭamī · 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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"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 16, 2107 CE · Ṛṣikeśa · Vidhyamitra","description":"January 16, 2107 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 07:14, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2107-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2107-01-16","sa":"https://sa.vidhyamitra.com/city/rishikesh/2107-01-16","hi":"https://hi.vidhyamitra.com/city/rishikesh/2107-01-16","x-default":"https://vidhyamitra.com/city/rishikesh/2107-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T10:32:47.085Z","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":"2026-05-21T10:32:47.085Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T10:32:47.085Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}