{"id":"vidhyamitra:city-day:rishikesh:1881-04-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1881-04-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1881-04-30","date_display":"April 30, 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":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408200.770833,"kali_year":4983,"ahargana":1819735.2708,"sun":{"sidereal_longitude":17.9462,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":39.082,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.1358,"elapsed_within_tithi_degrees":9.1358},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":39.082,"elapsed_within_degrees":12.4153},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.0282},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":1881,"month":4,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2408200.770833,"ahargana":1819735.2708,"kali_year":4983,"ayanamsa_lahiri":22.1952,"grahas":{"sun":{"sidereal_longitude":17.613278999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":36.64067899999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":1.7268},"mars":{"sidereal_longitude":329.91527900000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":0.6199790000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":13.548379000000011,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":24.74637899999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":11.742179000000021,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":241.6682,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":61.6682,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":1881,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408200.770833,"kali_year":4983,"ahargana":1819735.2708,"sun":{"sidereal_longitude":17.9462,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":39.082,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.1358,"elapsed_within_tithi_degrees":9.1358},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":39.082,"elapsed_within_degrees":12.4153},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.0282},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.727,"elongation":21.136},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.727,"opposition_distance":158.864}},"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":"05:35","sunsetLocal":"18:53","solarNoonLocal":"12:14","dayLengthHours":13.304530634051495,"dayLengthDisplay":"13 Hours 18 Mins 16 Secs","nightLengthDisplay":"10 Hours 41 Mins 44 Secs","moonriseLocal":"06:39","moonsetLocal":"20:22","rahuKala":{"name":"Rāhu Kāla","start":"08:55","end":"10:34","startHours":8.90960298833376,"endHours":10.572669317590195,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:34","startHours":13.89880197610307,"endHours":15.561868305359507,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:35","end":"07:15","startHours":5.5834703298208845,"endHours":7.2465366590773215,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:08","startHours":8.687860811099567,"endHours":9.13134516556795,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:30","startHours":6.137825772906363,"endHours":6.49261325648107,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:41","startHours":11.792251292378248,"endHours":12.679220001315015,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:42","startHours":3.8095329119473518,"endHours":4.696501620884118,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:35","startHours":4.474759443649926,"endHours":5.5834703298208845,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:20","startHours":14.45315741918855,"endHours":15.340126128125316,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.68800096387238,"endHours":19.08800096387238,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:27","startHours":18.88800096387238,"endHours":19.44235640695786,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.63800096387238,"endHours":20.38800096387238,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:41","startHours":23.79225129237825,"endHours":24.679220001315013,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:35","end":"07:15","startHours":5.5834703298208845,"endHours":7.2465366590773215,"quality":"inauspicious"},{"name":"Śubha","start":"07:15","end":"08:55","startHours":7.2465366590773215,"endHours":8.90960298833376,"quality":"auspicious"},{"name":"Roga","start":"08:55","end":"10:34","startHours":8.90960298833376,"endHours":10.572669317590195,"quality":"inauspicious"},{"name":"Udveg","start":"10:34","end":"12:14","startHours":10.572669317590195,"endHours":12.235735646846631,"quality":"inauspicious"},{"name":"Chala","start":"12:14","end":"13:54","startHours":12.235735646846631,"endHours":13.89880197610307,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:34","startHours":13.89880197610307,"endHours":15.561868305359507,"quality":"auspicious"},{"name":"Amṛta","start":"15:34","end":"17:13","startHours":15.561868305359507,"endHours":17.22493463461594,"quality":"auspicious"},{"name":"Kāla","start":"17:13","end":"18:53","startHours":17.22493463461594,"endHours":18.88800096387238,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:53","end":"20:13","startHours":18.88800096387238,"endHours":20.22493463461594,"quality":"auspicious"},{"name":"Amṛta","start":"20:13","end":"21:34","startHours":20.22493463461594,"endHours":21.561868305359503,"quality":"auspicious"},{"name":"Kāla","start":"21:34","end":"22:54","startHours":21.561868305359503,"endHours":22.89880197610307,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:14","startHours":22.89880197610307,"endHours":24.23573564684663,"quality":"auspicious"},{"name":"Roga","start":"00:14","end":"01:34","startHours":24.23573564684663,"endHours":25.572669317590194,"quality":"inauspicious"},{"name":"Udveg","start":"01:34","end":"02:55","startHours":25.572669317590194,"endHours":26.90960298833376,"quality":"inauspicious"},{"name":"Chala","start":"02:55","end":"04:15","startHours":26.90960298833376,"endHours":28.24653665907732,"quality":"neutral"},{"name":"Labha","start":"04:15","end":"05:35","startHours":28.24653665907732,"endHours":29.583470329820884,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.5834703298208845,"endHours":6.5834703298208845,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.5834703298208845,"endHours":7.5834703298208845,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.5834703298208845,"endHours":8.583470329820884,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.583470329820884,"endHours":9.583470329820884,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.583470329820884,"endHours":10.583470329820884,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.583470329820884,"endHours":11.583470329820884,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.583470329820884,"endHours":12.583470329820884,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.583470329820884,"endHours":13.583470329820884,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.583470329820884,"endHours":14.583470329820884,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.583470329820884,"endHours":15.583470329820884,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.583470329820884,"endHours":16.583470329820884,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.583470329820884,"endHours":17.583470329820884,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.583470329820884,"endHours":18.583470329820884,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.583470329820884,"endHours":19.583470329820884,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.583470329820884,"endHours":20.583470329820884,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.583470329820884,"endHours":21.583470329820884,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.583470329820884,"endHours":22.583470329820884,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.583470329820884,"endHours":23.583470329820884,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.583470329820884,"endHours":24.583470329820884,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.583470329820884,"endHours":25.583470329820884,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.583470329820884,"endHours":26.583470329820884,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.583470329820884,"endHours":27.583470329820884,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.583470329820884,"endHours":28.583470329820884,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.583470329820884,"endHours":29.583470329820884,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.752113728078998,"eotMinutes":2.785461189202204,"ayanamsa":22.1952}},"calendars":{"vikram_samvat":1938,"vikram_samvatsara":"Jaya","saka_samvat":1803,"saka_samvatsara":"Vṛṣa","bengali_samvat":1288,"malayalam_era":1057,"nanakshahi_year":412,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Dvitīyā · Vikram 1938 Jaya · Śaka 1803 Vṛṣa"},"festivals":[],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"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 30, 1881 CE · Ṛṣikeśa · Vidhyamitra","description":"April 30, 1881 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 05:35, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1881-04-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1881-04-30","sa":"https://sa.vidhyamitra.com/city/rishikesh/1881-04-30","hi":"https://hi.vidhyamitra.com/city/rishikesh/1881-04-30","x-default":"https://vidhyamitra.com/city/rishikesh/1881-04-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:41:19.142Z","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":"2026-06-01T16:41:19.142Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:41:19.142Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}