{"id":"vidhyamitra:city-day:rishikesh:2101-12-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2101-12-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-12-25","date_display":"December 25, 2101 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":2101,"month":12,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488792.770833,"kali_year":5203,"ahargana":1900327.2708,"sun":{"sidereal_longitude":247.1993,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":304.9124,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.7131,"elapsed_within_tithi_degrees":9.7131},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":304.9124,"elapsed_within_degrees":11.579},"yoga":{"number":15,"name":"Vajra","sum_longitude":192.1117},"karana":{"half_tithi_index":9,"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":2101,"month":12,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488792.770833,"ahargana":1900327.2708,"kali_year":5203,"ayanamsa_lahiri":25.2776,"grahas":{"sun":{"sidereal_longitude":247.753372,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":308.44927200000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":1.0416},"mars":{"sidereal_longitude":47.98527200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":265.9754720000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":224.30617200000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":232.21917200000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":200.62307199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":291.5162,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.5162,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"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":2101,"month":12,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488792.770833,"kali_year":5203,"ahargana":1900327.2708,"sun":{"sidereal_longitude":247.1993,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":304.9124,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.7131,"elapsed_within_tithi_degrees":9.7131},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":304.9124,"elapsed_within_degrees":11.579},"yoga":{"number":15,"name":"Vajra","sum_longitude":192.1117},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.042,"elongation":57.713},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.042,"opposition_distance":122.287}},"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":"07:11","sunsetLocal":"17:24","solarNoonLocal":"12:17","dayLengthHours":10.207968743950671,"dayLengthDisplay":"10 Hours 12 Mins 29 Secs","nightLengthDisplay":"13 Hours 47 Mins 31 Secs","moonriseLocal":"10:41","moonsetLocal":"21:59","rahuKala":{"name":"Rāhu Kāla","start":"16:07","end":"17:24","startHours":16.118372561349325,"endHours":17.39436865434316,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:34","startHours":12.290384282367825,"endHours":13.56638037536166,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:51","end":"16:07","startHours":14.842376468355493,"endHours":16.118372561349325,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.56825928398098,"endHours":9.908524908779336,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:53","startHours":7.611731941390435,"endHours":7.8839444412291195,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:38","startHours":11.950118657569469,"endHours":12.63064990716618,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:30","startHours":5.825337411199067,"endHours":6.5058686607957785,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:11","startHours":6.335735848396601,"endHours":7.18639991039249,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:40","startHours":13.991712406359603,"endHours":14.672243655956315,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.19436865434316,"endHours":17.59436865434316,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:49","startHours":17.39436865434316,"endHours":17.819700685341104,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.14436865434316,"endHours":18.89436865434316,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:38","startHours":23.95011865756947,"endHours":24.63064990716618,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:11","end":"08:28","startHours":7.18639991039249,"endHours":8.462396003386324,"quality":"inauspicious"},{"name":"Chala","start":"08:28","end":"09:44","startHours":8.462396003386324,"endHours":9.738392096380158,"quality":"neutral"},{"name":"Labha","start":"09:44","end":"11:01","startHours":9.738392096380158,"endHours":11.014388189373992,"quality":"auspicious"},{"name":"Amṛta","start":"11:01","end":"12:17","startHours":11.014388189373992,"endHours":12.290384282367825,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:34","startHours":12.290384282367825,"endHours":13.56638037536166,"quality":"inauspicious"},{"name":"Śubha","start":"13:34","end":"14:51","startHours":13.56638037536166,"endHours":14.842376468355493,"quality":"auspicious"},{"name":"Roga","start":"14:51","end":"16:07","startHours":14.842376468355493,"endHours":16.118372561349325,"quality":"inauspicious"},{"name":"Udveg","start":"16:07","end":"17:24","startHours":16.118372561349325,"endHours":17.39436865434316,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:24","end":"19:07","startHours":17.39436865434316,"endHours":19.11837256134933,"quality":"auspicious"},{"name":"Roga","start":"19:07","end":"20:51","startHours":19.11837256134933,"endHours":20.842376468355493,"quality":"inauspicious"},{"name":"Udveg","start":"20:51","end":"22:34","startHours":20.842376468355493,"endHours":22.56638037536166,"quality":"inauspicious"},{"name":"Chala","start":"22:34","end":"00:17","startHours":22.56638037536166,"endHours":24.290384282367825,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"02:01","startHours":24.290384282367825,"endHours":26.014388189373992,"quality":"auspicious"},{"name":"Amṛta","start":"02:01","end":"03:44","startHours":26.014388189373992,"endHours":27.73839209638016,"quality":"auspicious"},{"name":"Kāla","start":"03:44","end":"05:28","startHours":27.73839209638016,"endHours":29.462396003386324,"quality":"inauspicious"},{"name":"Śubha","start":"05:28","end":"07:11","startHours":29.462396003386324,"endHours":31.18639991039249,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.18639991039249,"endHours":8.18639991039249,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.18639991039249,"endHours":9.18639991039249,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.18639991039249,"endHours":10.18639991039249,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.18639991039249,"endHours":11.18639991039249,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.18639991039249,"endHours":12.18639991039249,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.18639991039249,"endHours":13.18639991039249,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.18639991039249,"endHours":14.18639991039249,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.18639991039249,"endHours":15.18639991039249,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.18639991039249,"endHours":16.18639991039249,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.18639991039249,"endHours":17.18639991039249,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.18639991039249,"endHours":18.18639991039249,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.18639991039249,"endHours":19.18639991039249,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.18639991039249,"endHours":20.18639991039249,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.18639991039249,"endHours":21.18639991039249,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.18639991039249,"endHours":22.18639991039249,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.18639991039249,"endHours":23.18639991039249,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.18639991039249,"endHours":24.18639991039249,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.18639991039249,"endHours":25.18639991039249,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.18639991039249,"endHours":26.18639991039249,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.18639991039249,"endHours":27.18639991039249,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.18639991039249,"endHours":28.18639991039249,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.18639991039249,"endHours":29.18639991039249,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.18639991039249,"endHours":30.18639991039249,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.18639991039249,"endHours":31.18639991039249,"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":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.401759411015167,"eotMinutes":-0.4934569420694592,"ayanamsa":25.2776}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pañcamī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"festivals":[],"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":[]},"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 25, 2101 CE · Ṛṣikeśa · Vidhyamitra","description":"December 25, 2101 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 07:11, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2101-12-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2101-12-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/2101-12-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/2101-12-25","x-default":"https://vidhyamitra.com/city/rishikesh/2101-12-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:32:46.345Z","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":"2026-05-31T00:32:46.345Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:32:46.345Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}