{"id":"vidhyamitra:city-day:rishikesh:2170-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2170-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-01-06","date_display":"January 6, 2170 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":2170,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513641.770833,"kali_year":5271,"ahargana":1925176.2708,"sun":{"sidereal_longitude":258.9226,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":117.8361,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.9135,"elapsed_within_tithi_degrees":2.9135},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.8361,"elapsed_within_degrees":11.1694},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.7587},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2170,"month":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513641.770833,"ahargana":1925176.2708,"kali_year":5271,"ayanamsa_lahiri":26.228,"grahas":{"sun":{"sidereal_longitude":259.533457,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":121.22915699999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":4.0065},"mars":{"sidereal_longitude":147.12935700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":240.02725699999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":140.45085699999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":267.91995699999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":294.37025700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":54.8966,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":234.8966,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2170,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513641.770833,"kali_year":5271,"ahargana":1925176.2708,"sun":{"sidereal_longitude":258.9226,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":117.8361,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.9135,"elapsed_within_tithi_degrees":2.9135},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.8361,"elapsed_within_degrees":11.1694},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.7587},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.007,"elongation":141.087},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.007,"opposition_distance":38.913}},"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":"17:32","solarNoonLocal":"12:23","dayLengthHours":10.290835946226647,"dayLengthDisplay":"10 Hours 17 Mins 27 Secs","nightLengthDisplay":"13 Hours 42 Mins 33 Secs","moonriseLocal":"20:38","moonsetLocal":"09:42","rahuKala":{"name":"Rāhu Kāla","start":"09:48","end":"11:06","startHours":9.8073780318929,"endHours":11.093732525171232,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"14:57","startHours":13.666441511727893,"endHours":14.952796005006224,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:14","end":"08:31","startHours":7.234669045336239,"endHours":8.52102353861457,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.635864099455791,"endHours":9.97889196433001,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.663453876429016,"endHours":7.937876168328393,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.037059153575342,"endHours":12.723114883323785,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:52","end":"06:33","startHours":5.862557585839353,"endHours":6.5486133155877955,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:14","startHours":6.377099383150685,"endHours":7.234669045336239,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:47","startHours":14.09522634282067,"endHours":14.781282072569113,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.325504991562887,"endHours":17.725504991562886,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:57","startHours":17.525504991562887,"endHours":17.954289822655664,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.275504991562887,"endHours":19.025504991562887,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.037059153575342,"endHours":24.723114883323788,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:14","end":"08:31","startHours":7.234669045336239,"endHours":8.52102353861457,"quality":"inauspicious"},{"name":"Śubha","start":"08:31","end":"09:48","startHours":8.52102353861457,"endHours":9.8073780318929,"quality":"auspicious"},{"name":"Roga","start":"09:48","end":"11:06","startHours":9.8073780318929,"endHours":11.093732525171232,"quality":"inauspicious"},{"name":"Udveg","start":"11:06","end":"12:23","startHours":11.093732525171232,"endHours":12.380087018449561,"quality":"inauspicious"},{"name":"Chala","start":"12:23","end":"13:40","startHours":12.380087018449561,"endHours":13.666441511727893,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"14:57","startHours":13.666441511727893,"endHours":14.952796005006224,"quality":"auspicious"},{"name":"Amṛta","start":"14:57","end":"16:14","startHours":14.952796005006224,"endHours":16.239150498284555,"quality":"auspicious"},{"name":"Kāla","start":"16:14","end":"17:32","startHours":16.239150498284555,"endHours":17.525504991562887,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:32","end":"19:14","startHours":17.525504991562887,"endHours":19.239150498284555,"quality":"auspicious"},{"name":"Amṛta","start":"19:14","end":"20:57","startHours":19.239150498284555,"endHours":20.952796005006224,"quality":"auspicious"},{"name":"Kāla","start":"20:57","end":"22:40","startHours":20.952796005006224,"endHours":22.666441511727896,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"00:23","startHours":22.666441511727896,"endHours":24.380087018449565,"quality":"auspicious"},{"name":"Roga","start":"00:23","end":"02:06","startHours":24.380087018449565,"endHours":26.093732525171234,"quality":"inauspicious"},{"name":"Udveg","start":"02:06","end":"03:48","startHours":26.093732525171234,"endHours":27.807378031892902,"quality":"inauspicious"},{"name":"Chala","start":"03:48","end":"05:31","startHours":27.807378031892902,"endHours":29.52102353861457,"quality":"neutral"},{"name":"Labha","start":"05:31","end":"07:14","startHours":29.52102353861457,"endHours":31.23466904533624,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.234669045336239,"endHours":8.23466904533624,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.23466904533624,"endHours":9.23466904533624,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.23466904533624,"endHours":10.23466904533624,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.23466904533624,"endHours":11.23466904533624,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.23466904533624,"endHours":12.23466904533624,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.23466904533624,"endHours":13.23466904533624,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.23466904533624,"endHours":14.23466904533624,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.23466904533624,"endHours":15.23466904533624,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.23466904533624,"endHours":16.23466904533624,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.23466904533624,"endHours":17.23466904533624,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.23466904533624,"endHours":18.23466904533624,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.23466904533624,"endHours":19.23466904533624,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.23466904533624,"endHours":20.23466904533624,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.23466904533624,"endHours":21.23466904533624,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.23466904533624,"endHours":22.23466904533624,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.23466904533624,"endHours":23.23466904533624,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.23466904533624,"endHours":24.23466904533624,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.23466904533624,"endHours":25.23466904533624,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.23466904533624,"endHours":26.23466904533624,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.23466904533624,"endHours":27.23466904533624,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.23466904533624,"endHours":28.23466904533624,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.23466904533624,"endHours":29.23466904533624,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.23466904533624,"endHours":30.23466904533624,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.23466904533624,"endHours":31.23466904533624,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","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":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Saumya","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":-22.505870722664184,"eotMinutes":-5.875621106973772,"ayanamsa":26.228}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"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},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 6, 2170 CE · Ṛṣikeśa · Vidhyamitra","description":"January 6, 2170 CE for Ṛṣikeśa: Kṛṣṇa Caturthī, sūryodaya 07:14, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2170-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2170-01-06","sa":"https://sa.vidhyamitra.com/city/rishikesh/2170-01-06","hi":"https://hi.vidhyamitra.com/city/rishikesh/2170-01-06","x-default":"https://vidhyamitra.com/city/rishikesh/2170-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T14:02:11.971Z","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":"2026-05-27T14:02:11.971Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T14:02:11.971Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}