{"id":"vidhyamitra:city-day:rishikesh:2025-12-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2025-12-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-12-26","date_display":"December 26, 2025 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":2025,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461035.770833,"kali_year":5127,"ahargana":1872570.2708,"sun":{"sidereal_longitude":249.9385,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":321.3458,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.4074,"elapsed_within_tithi_degrees":11.4074},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.3458,"elapsed_within_degrees":1.3458},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.2843},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2025,"month":12,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461035.770833,"ahargana":1872570.2708,"kali_year":5127,"ayanamsa_lahiri":24.216,"grahas":{"sun":{"sidereal_longitude":250.28979300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":318.65929299999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":-0.0682},"mars":{"sidereal_longitude":253.54199300000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":235.02849300000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":87.75859300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"venus":{"sidereal_longitude":247.16199299999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":331.7175930000001,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":322.2156,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":142.2156,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2025,"month":12,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461035.770833,"kali_year":5127,"ahargana":1872570.2708,"sun":{"sidereal_longitude":249.9385,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":321.3458,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.4074,"elapsed_within_tithi_degrees":11.4074},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.3458,"elapsed_within_degrees":1.3458},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.2843},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.068,"elongation":71.407},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.068,"opposition_distance":108.593}},"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":"07:12","sunsetLocal":"17:24","solarNoonLocal":"12:18","dayLengthHours":10.211882312760032,"dayLengthDisplay":"10 Hours 12 Mins 43 Secs","nightLengthDisplay":"13 Hours 47 Mins 17 Secs","moonriseLocal":"11:04","moonsetLocal":"22:38","rahuKala":{"name":"Rāhu Kāla","start":"11:01","end":"12:18","startHours":11.021674916412067,"endHours":12.29816020550707,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:51","end":"16:08","startHours":14.851130783697078,"endHours":16.127616072792083,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:28","end":"09:45","startHours":8.468704338222057,"endHours":9.745189627317062,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.574991588771063,"endHours":9.915387665863063,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:53","startHours":7.617714145492055,"endHours":7.890031007165656,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:38","startHours":11.95776412841507,"endHours":12.63855628259907,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:31","startHours":5.8306347407590495,"endHours":6.511426894943052,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:12","startHours":6.341228856397051,"endHours":7.192219049127054,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:41","startHours":14.000140590967076,"endHours":14.680932745151079,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.204101361887087,"endHours":17.604101361887086,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:50","startHours":17.404101361887086,"endHours":17.829596458252087,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.154101361887086,"endHours":18.904101361887086,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:38","startHours":23.957764128415068,"endHours":24.638556282599072,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:12","end":"08:28","startHours":7.192219049127054,"endHours":8.468704338222057,"quality":"neutral"},{"name":"Labha","start":"08:28","end":"09:45","startHours":8.468704338222057,"endHours":9.745189627317062,"quality":"auspicious"},{"name":"Amṛta","start":"09:45","end":"11:01","startHours":9.745189627317062,"endHours":11.021674916412067,"quality":"auspicious"},{"name":"Kāla","start":"11:01","end":"12:18","startHours":11.021674916412067,"endHours":12.29816020550707,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:34","startHours":12.29816020550707,"endHours":13.574645494602073,"quality":"auspicious"},{"name":"Roga","start":"13:34","end":"14:51","startHours":13.574645494602073,"endHours":14.851130783697078,"quality":"inauspicious"},{"name":"Udveg","start":"14:51","end":"16:08","startHours":14.851130783697078,"endHours":16.127616072792083,"quality":"inauspicious"},{"name":"Chala","start":"16:08","end":"17:24","startHours":16.127616072792083,"endHours":17.404101361887086,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:24","end":"19:08","startHours":17.404101361887086,"endHours":19.127616072792083,"quality":"inauspicious"},{"name":"Udveg","start":"19:08","end":"20:51","startHours":19.127616072792083,"endHours":20.85113078369708,"quality":"inauspicious"},{"name":"Chala","start":"20:51","end":"22:34","startHours":20.85113078369708,"endHours":22.574645494602073,"quality":"neutral"},{"name":"Labha","start":"22:34","end":"00:18","startHours":22.574645494602073,"endHours":24.29816020550707,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"02:01","startHours":24.29816020550707,"endHours":26.021674916412067,"quality":"auspicious"},{"name":"Kāla","start":"02:01","end":"03:45","startHours":26.021674916412067,"endHours":27.74518962731706,"quality":"inauspicious"},{"name":"Śubha","start":"03:45","end":"05:28","startHours":27.74518962731706,"endHours":29.468704338222057,"quality":"auspicious"},{"name":"Roga","start":"05:28","end":"07:12","startHours":29.468704338222057,"endHours":31.192219049127054,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.192219049127054,"endHours":8.192219049127054,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.192219049127054,"endHours":9.192219049127054,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.192219049127054,"endHours":10.192219049127054,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.192219049127054,"endHours":11.192219049127054,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.192219049127054,"endHours":12.192219049127054,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.192219049127054,"endHours":13.192219049127054,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.192219049127054,"endHours":14.192219049127054,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.192219049127054,"endHours":15.192219049127054,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.192219049127054,"endHours":16.192219049127054,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.192219049127054,"endHours":17.192219049127054,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.192219049127054,"endHours":18.192219049127054,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.192219049127054,"endHours":19.192219049127054,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.192219049127054,"endHours":20.192219049127054,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.192219049127054,"endHours":21.192219049127054,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.192219049127054,"endHours":22.192219049127054,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.192219049127054,"endHours":23.192219049127054,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.192219049127054,"endHours":24.192219049127054,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.192219049127054,"endHours":25.192219049127054,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.192219049127054,"endHours":26.192219049127054,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.192219049127054,"endHours":27.192219049127054,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.192219049127054,"endHours":28.192219049127054,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.192219049127054,"endHours":29.192219049127054,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.192219049127054,"endHours":30.192219049127054,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.192219049127054,"endHours":31.192219049127054,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","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":-23.359759545791025,"eotMinutes":-0.9600123304242594,"ayanamsa":24.216}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ṣaṣṭhī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 December 26, 2025 CE · Ṛṣikeśa · Vidhyamitra","description":"December 26, 2025 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 07:12, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2025-12-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2025-12-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/2025-12-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/2025-12-26","x-default":"https://vidhyamitra.com/city/rishikesh/2025-12-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:39:51.209Z","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":"2026-05-15T06:39:51.209Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:39:51.209Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}