{"id":"vidhyamitra:city-day:rishikesh:1881-08-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1881-08-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1881-08-25","date_display":"August 25, 1881 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":1881,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408317.770833,"kali_year":4983,"ahargana":1819852.2708,"sun":{"sidereal_longitude":129.3526,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":131.9462,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.5937,"elapsed_within_tithi_degrees":2.5937},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.9462,"elapsed_within_degrees":11.9462},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.2988},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1881,"month":8,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2408317.770833,"ahargana":1819852.2708,"kali_year":4983,"ayanamsa_lahiri":22.1997,"grahas":{"sun":{"sidereal_longitude":129.73350800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":131.64290799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-4.375},"mars":{"sidereal_longitude":52.760407999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":125.04420800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":34.65260799999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":90.13480800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":21.165408000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":235.4689,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":55.4689,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"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":1881,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408317.770833,"kali_year":4983,"ahargana":1819852.2708,"sun":{"sidereal_longitude":129.3526,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":131.9462,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.5937,"elapsed_within_tithi_degrees":2.5937},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.9462,"elapsed_within_degrees":11.9462},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.2988},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.375,"elongation":2.594},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.375,"opposition_distance":177.406}},"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":"05:49","sunsetLocal":"18:48","solarNoonLocal":"12:19","dayLengthHours":12.976486451846114,"dayLengthDisplay":"12 Hours 58 Mins 35 Secs","nightLengthDisplay":"11 Hours 01 Mins 25 Secs","moonriseLocal":"06:00","moonsetLocal":"18:53","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:33","startHours":13.932677540737469,"endHours":15.554738347218233,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:49","end":"07:27","startHours":5.822373508333648,"endHours":7.444434314814412,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:04","end":"10:41","startHours":9.066495121295176,"endHours":10.68855592777594,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.850220347097741,"endHours":9.282769895492612,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:43","startHours":6.363060443827236,"endHours":6.709100082543133,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.878067185861834,"endHours":12.743166282651575,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:57","startHours":4.092175314754166,"endHours":4.9572744115439065,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:49","startHours":4.740999637346471,"endHours":5.822373508333648,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:20","startHours":14.473364476231058,"endHours":15.3384635730208,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.598859960179762,"endHours":18.99885996017976,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:20","startHours":18.79885996017976,"endHours":19.33954689567335,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.54885996017976,"endHours":20.29885996017976,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.878067185861834,"endHours":24.743166282651575,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:49","end":"07:27","startHours":5.822373508333648,"endHours":7.444434314814412,"quality":"auspicious"},{"name":"Roga","start":"07:27","end":"09:04","startHours":7.444434314814412,"endHours":9.066495121295176,"quality":"inauspicious"},{"name":"Udveg","start":"09:04","end":"10:41","startHours":9.066495121295176,"endHours":10.68855592777594,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:19","startHours":10.68855592777594,"endHours":12.310616734256705,"quality":"neutral"},{"name":"Labha","start":"12:19","end":"13:56","startHours":12.310616734256705,"endHours":13.932677540737469,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:33","startHours":13.932677540737469,"endHours":15.554738347218233,"quality":"auspicious"},{"name":"Kāla","start":"15:33","end":"17:11","startHours":15.554738347218233,"endHours":17.176799153698997,"quality":"inauspicious"},{"name":"Śubha","start":"17:11","end":"18:48","startHours":17.176799153698997,"endHours":18.79885996017976,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:48","end":"20:11","startHours":18.79885996017976,"endHours":20.176799153698997,"quality":"auspicious"},{"name":"Kāla","start":"20:11","end":"21:33","startHours":20.176799153698997,"endHours":21.554738347218233,"quality":"inauspicious"},{"name":"Śubha","start":"21:33","end":"22:56","startHours":21.554738347218233,"endHours":22.93267754073747,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:19","startHours":22.93267754073747,"endHours":24.310616734256705,"quality":"inauspicious"},{"name":"Udveg","start":"00:19","end":"01:41","startHours":24.310616734256705,"endHours":25.68855592777594,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"03:04","startHours":25.68855592777594,"endHours":27.066495121295176,"quality":"neutral"},{"name":"Labha","start":"03:04","end":"04:27","startHours":27.066495121295176,"endHours":28.444434314814412,"quality":"auspicious"},{"name":"Amṛta","start":"04:27","end":"05:49","startHours":28.444434314814412,"endHours":29.822373508333648,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.822373508333648,"endHours":6.822373508333648,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.822373508333648,"endHours":7.822373508333648,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.822373508333648,"endHours":8.822373508333648,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.822373508333648,"endHours":9.822373508333648,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.822373508333648,"endHours":10.822373508333648,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.822373508333648,"endHours":11.822373508333648,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.822373508333648,"endHours":12.822373508333648,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.822373508333648,"endHours":13.822373508333648,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.822373508333648,"endHours":14.822373508333648,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.822373508333648,"endHours":15.822373508333648,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.822373508333648,"endHours":16.822373508333648,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.822373508333648,"endHours":17.822373508333648,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.822373508333648,"endHours":18.822373508333648,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.822373508333648,"endHours":19.822373508333648,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.822373508333648,"endHours":20.822373508333648,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.822373508333648,"endHours":21.822373508333648,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.822373508333648,"endHours":22.822373508333648,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.822373508333648,"endHours":23.822373508333648,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.822373508333648,"endHours":24.822373508333648,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.822373508333648,"endHours":25.822373508333648,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.822373508333648,"endHours":26.822373508333648,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.822373508333648,"endHours":27.822373508333648,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.822373508333648,"endHours":28.822373508333648,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.822373508333648,"endHours":29.822373508333648,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","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":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.785535916017576,"eotMinutes":-1.7074040554023546,"ayanamsa":22.1997}},"calendars":{"vikram_samvat":1938,"vikram_samvatsara":"Jaya","saka_samvat":1803,"saka_samvatsara":"Vṛṣa","bengali_samvat":1288,"malayalam_era":1057,"nanakshahi_year":412,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 1938 Jaya · Śaka 1803 Vṛṣa"},"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 August 25, 1881 CE · Ṛṣikeśa · Vidhyamitra","description":"August 25, 1881 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 05:49, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1881-08-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1881-08-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/1881-08-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/1881-08-25","x-default":"https://vidhyamitra.com/city/rishikesh/1881-08-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:39:10.065Z","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":"2026-05-31T10:39:10.065Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:39:10.065Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}