{"id":"vidhyamitra:city-day:rishikesh:1915-12-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1915-12-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1915-12-25","date_display":"December 25, 1915 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":1915,"month":12,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420856.770833,"kali_year":5017,"ahargana":1832391.2708,"sun":{"sidereal_longitude":249.3868,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":110.5945,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.2077,"elapsed_within_tithi_degrees":5.2077},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":110.5945,"elapsed_within_degrees":3.9278},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":359.9813},"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":1915,"month":12,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2420856.770833,"ahargana":1832391.2708,"kali_year":5017,"ayanamsa_lahiri":22.6793,"grahas":{"sun":{"sidereal_longitude":249.48372600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":107.65252600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":0.0391},"mars":{"sidereal_longitude":128.04202600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":255.83522600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":329.3207259999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":276.269326,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":81.949726,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":291.0924,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.0924,"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":1915,"month":12,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420856.770833,"kali_year":5017,"ahargana":1832391.2708,"sun":{"sidereal_longitude":249.3868,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":110.5945,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.2077,"elapsed_within_tithi_degrees":5.2077},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":110.5945,"elapsed_within_degrees":3.9278},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":359.9813},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.039,"elongation":138.792},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.039,"opposition_distance":41.208}},"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":10.206379695293698,"dayLengthDisplay":"10 Hours 12 Mins 23 Secs","nightLengthDisplay":"13 Hours 47 Mins 37 Secs","moonriseLocal":"20:05","moonsetLocal":"09:35","rahuKala":{"name":"Rāhu Kāla","start":"09:44","end":"11:01","startHours":9.738789358544402,"endHours":11.014586820456113,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:34","end":"14:51","startHours":13.566181744279538,"endHours":14.841979206191251,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:11","end":"08:28","startHours":7.187194434720976,"endHours":8.462991896632689,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.568683030289506,"endHours":9.908895686799296,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:53","startHours":7.612460255358214,"endHours":7.884630380566046,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:38","startHours":11.950171625858035,"endHours":12.630596938877614,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:30","startHours":5.826343808681816,"endHours":6.506769121701397,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:11","startHours":6.336662793446502,"endHours":7.187194434720976,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:40","startHours":13.991447564916776,"endHours":14.671872877936355,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.193574130014674,"endHours":17.593574130014673,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:49","startHours":17.393574130014674,"endHours":17.81883995065191,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.143574130014674,"endHours":18.893574130014674,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:38","startHours":23.950171625858033,"endHours":24.630596938877616,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:11","end":"08:28","startHours":7.187194434720976,"endHours":8.462991896632689,"quality":"inauspicious"},{"name":"Śubha","start":"08:28","end":"09:44","startHours":8.462991896632689,"endHours":9.738789358544402,"quality":"auspicious"},{"name":"Roga","start":"09:44","end":"11:01","startHours":9.738789358544402,"endHours":11.014586820456113,"quality":"inauspicious"},{"name":"Udveg","start":"11:01","end":"12:17","startHours":11.014586820456113,"endHours":12.290384282367825,"quality":"inauspicious"},{"name":"Chala","start":"12:17","end":"13:34","startHours":12.290384282367825,"endHours":13.566181744279538,"quality":"neutral"},{"name":"Labha","start":"13:34","end":"14:51","startHours":13.566181744279538,"endHours":14.841979206191251,"quality":"auspicious"},{"name":"Amṛta","start":"14:51","end":"16:07","startHours":14.841979206191251,"endHours":16.117776668102962,"quality":"auspicious"},{"name":"Kāla","start":"16:07","end":"17:24","startHours":16.117776668102962,"endHours":17.393574130014674,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:24","end":"19:07","startHours":17.393574130014674,"endHours":19.117776668102962,"quality":"auspicious"},{"name":"Amṛta","start":"19:07","end":"20:51","startHours":19.117776668102962,"endHours":20.841979206191247,"quality":"auspicious"},{"name":"Kāla","start":"20:51","end":"22:34","startHours":20.841979206191247,"endHours":22.566181744279536,"quality":"inauspicious"},{"name":"Śubha","start":"22:34","end":"00:17","startHours":22.566181744279536,"endHours":24.290384282367825,"quality":"auspicious"},{"name":"Roga","start":"00:17","end":"02:01","startHours":24.290384282367825,"endHours":26.014586820456113,"quality":"inauspicious"},{"name":"Udveg","start":"02:01","end":"03:44","startHours":26.014586820456113,"endHours":27.738789358544402,"quality":"inauspicious"},{"name":"Chala","start":"03:44","end":"05:28","startHours":27.738789358544402,"endHours":29.462991896632687,"quality":"neutral"},{"name":"Labha","start":"05:28","end":"07:11","startHours":29.462991896632687,"endHours":31.187194434720976,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.187194434720976,"endHours":8.187194434720976,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.187194434720976,"endHours":9.187194434720976,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.187194434720976,"endHours":10.187194434720976,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.187194434720976,"endHours":11.187194434720976,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.187194434720976,"endHours":12.187194434720976,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.187194434720976,"endHours":13.187194434720976,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.187194434720976,"endHours":14.187194434720976,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.187194434720976,"endHours":15.187194434720976,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.187194434720976,"endHours":16.187194434720976,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.187194434720976,"endHours":17.187194434720976,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.187194434720976,"endHours":18.187194434720976,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.187194434720976,"endHours":19.187194434720976,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.187194434720976,"endHours":20.187194434720976,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.187194434720976,"endHours":21.187194434720976,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.187194434720976,"endHours":22.187194434720976,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.187194434720976,"endHours":23.187194434720976,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.187194434720976,"endHours":24.187194434720976,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.187194434720976,"endHours":25.187194434720976,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.187194434720976,"endHours":26.187194434720976,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.187194434720976,"endHours":27.187194434720976,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.187194434720976,"endHours":28.187194434720976,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.187194434720976,"endHours":29.187194434720976,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.187194434720976,"endHours":30.187194434720976,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.187194434720976,"endHours":31.187194434720976,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"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":-23.418804025264258,"eotMinutes":-0.4934569420694592,"ayanamsa":22.6793}},"calendars":{"vikram_samvat":1972,"vikram_samvatsara":"Vibhava","saka_samvat":1837,"saka_samvatsara":"Rākṣasa","bengali_samvat":1322,"malayalam_era":1091,"nanakshahi_year":446,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Caturthī · Vikram 1972 Vibhava · Śaka 1837 Rākṣasa"},"festivals":[{"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 December 25, 1915 CE · Ṛṣikeśa · Vidhyamitra","description":"December 25, 1915 CE for Ṛṣikeśa: Kṛṣṇa Caturthī, sūryodaya 07:11, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1915-12-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1915-12-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/1915-12-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/1915-12-25","x-default":"https://vidhyamitra.com/city/rishikesh/1915-12-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:47:56.971Z","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":"2026-06-01T05:47:56.971Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:47:56.971Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}