{"id":"vidhyamitra:city-day:rishikesh:1875-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1875-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1875-04-01","date_display":"April 1, 1875 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":1875,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405979.770833,"kali_year":4976,"ahargana":1817514.2708,"sun":{"sidereal_longitude":349.2582,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":282.9905,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":293.7322,"elapsed_within_tithi_degrees":5.7322},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.9905,"elapsed_within_degrees":2.9905},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.2487},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1875,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2405979.770833,"ahargana":1817514.2708,"kali_year":4976,"ayanamsa_lahiri":22.1103,"grahas":{"sun":{"sidereal_longitude":348.804637,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":280.38703699999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-4.3728},"mars":{"sidereal_longitude":242.87213700000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":322.9726370000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":187.98453700000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":307.779037,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":301.727937,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":359.3474,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":179.3474,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":1875,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405979.770833,"kali_year":4976,"ahargana":1817514.2708,"sun":{"sidereal_longitude":349.2582,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":282.9905,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":293.7322,"elapsed_within_tithi_degrees":5.7322},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.9905,"elapsed_within_degrees":2.9905},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.2487},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.373,"elongation":66.268},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.373,"opposition_distance":113.732}},"eclipse_window_40days":[{"offset_days":-10,"type":"lunar","occurs":true,"moon_latitude":1.425,"opposition_distance":2.018}]},"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":"06:07","sunsetLocal":"18:35","solarNoonLocal":"12:21","dayLengthHours":12.463290065262576,"dayLengthDisplay":"12 Hours 27 Mins 48 Secs","nightLengthDisplay":"11 Hours 32 Mins 12 Secs","moonriseLocal":"02:32","moonsetLocal":"13:03","rahuKala":{"name":"Rāhu Kāla","start":"13:55","end":"15:28","startHours":13.912476193177014,"endHours":15.470387451334837,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:07","end":"07:41","startHours":6.1229199023879035,"endHours":7.680831160545726,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:14","end":"10:48","startHours":9.238742418703549,"endHours":10.79665367686137,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.031020917615837,"endHours":9.446463919791258,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.642223655107178,"endHours":6.9745780568475135,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:46","startHours":11.939121932843772,"endHours":12.77000793719461,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:18","startHours":4.461147893686227,"endHours":5.292033898037065,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:07","startHours":5.084312396949356,"endHours":6.1229199023879035,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:16","startHours":14.431779945896288,"endHours":15.262665950247127,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.38620996765048,"endHours":18.78620996765048,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:06","startHours":18.58620996765048,"endHours":19.105513720369753,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.33620996765048,"endHours":20.08620996765048,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:46","startHours":23.939121932843772,"endHours":24.77000793719461,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:07","end":"07:41","startHours":6.1229199023879035,"endHours":7.680831160545726,"quality":"auspicious"},{"name":"Roga","start":"07:41","end":"09:14","startHours":7.680831160545726,"endHours":9.238742418703549,"quality":"inauspicious"},{"name":"Udveg","start":"09:14","end":"10:48","startHours":9.238742418703549,"endHours":10.79665367686137,"quality":"inauspicious"},{"name":"Chala","start":"10:48","end":"12:21","startHours":10.79665367686137,"endHours":12.35456493501919,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:55","startHours":12.35456493501919,"endHours":13.912476193177014,"quality":"auspicious"},{"name":"Amṛta","start":"13:55","end":"15:28","startHours":13.912476193177014,"endHours":15.470387451334837,"quality":"auspicious"},{"name":"Kāla","start":"15:28","end":"17:02","startHours":15.470387451334837,"endHours":17.028298709492656,"quality":"inauspicious"},{"name":"Śubha","start":"17:02","end":"18:35","startHours":17.028298709492656,"endHours":18.58620996765048,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:35","end":"20:02","startHours":18.58620996765048,"endHours":20.028298709492656,"quality":"auspicious"},{"name":"Kāla","start":"20:02","end":"21:28","startHours":20.028298709492656,"endHours":21.470387451334837,"quality":"inauspicious"},{"name":"Śubha","start":"21:28","end":"22:55","startHours":21.470387451334837,"endHours":22.912476193177014,"quality":"auspicious"},{"name":"Roga","start":"22:55","end":"00:21","startHours":22.912476193177014,"endHours":24.35456493501919,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"01:48","startHours":24.35456493501919,"endHours":25.796653676861368,"quality":"inauspicious"},{"name":"Chala","start":"01:48","end":"03:14","startHours":25.796653676861368,"endHours":27.238742418703545,"quality":"neutral"},{"name":"Labha","start":"03:14","end":"04:41","startHours":27.238742418703545,"endHours":28.680831160545726,"quality":"auspicious"},{"name":"Amṛta","start":"04:41","end":"06:07","startHours":28.680831160545726,"endHours":30.122919902387903,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.1229199023879035,"endHours":7.1229199023879035,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.1229199023879035,"endHours":8.122919902387903,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.122919902387903,"endHours":9.122919902387903,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.122919902387903,"endHours":10.122919902387903,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.122919902387903,"endHours":11.122919902387903,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.122919902387903,"endHours":12.122919902387903,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.122919902387903,"endHours":13.122919902387903,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.122919902387903,"endHours":14.122919902387903,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.122919902387903,"endHours":15.122919902387903,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.122919902387903,"endHours":16.122919902387903,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.122919902387903,"endHours":17.122919902387903,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.122919902387903,"endHours":18.122919902387903,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.122919902387903,"endHours":19.122919902387903,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.122919902387903,"endHours":20.122919902387903,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.122919902387903,"endHours":21.122919902387903,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.122919902387903,"endHours":22.122919902387903,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.122919902387903,"endHours":23.122919902387903,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.122919902387903,"endHours":24.122919902387903,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.122919902387903,"endHours":25.122919902387903,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.122919902387903,"endHours":26.122919902387903,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.122919902387903,"endHours":27.122919902387903,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.122919902387903,"endHours":28.122919902387903,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.122919902387903,"endHours":29.122919902387903,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.122919902387903,"endHours":30.122919902387903,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.319103981995265,"eotMinutes":-4.344296101151456,"ayanamsa":22.1103}},"calendars":{"vikram_samvat":1932,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1797,"saka_samvatsara":"Yuva","bengali_samvat":1282,"malayalam_era":1051,"nanakshahi_year":406,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Daśamī · Vikram 1932 Sarvadhāri · Śaka 1797 Yuva"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 April 1, 1875 CE · Ṛṣikeśa · Vidhyamitra","description":"April 1, 1875 CE for Ṛṣikeśa: Kṛṣṇa Daśamī, sūryodaya 06:07, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1875-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1875-04-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/1875-04-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/1875-04-01","x-default":"https://vidhyamitra.com/city/rishikesh/1875-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-28T19:29:22.494Z","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":"2026-05-28T19:29:22.494Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-28T19:29:22.494Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}