{"id":"vidhyamitra:city-day:rishikesh:2151-04-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2151-04-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2151-04-23","date_display":"April 23, 2151 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":2151,"month":4,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506808.770833,"kali_year":5253,"ahargana":1918343.2708,"sun":{"sidereal_longitude":6.4548,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":85.3875,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.9326,"elapsed_within_tithi_degrees":6.9326},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.3875,"elapsed_within_degrees":5.3875},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.8423},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2151,"month":4,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2506808.770833,"ahargana":1918343.2708,"kali_year":5253,"ayanamsa_lahiri":25.9666,"grahas":{"sun":{"sidereal_longitude":6.699527999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":85.94112799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":2.1418},"mars":{"sidereal_longitude":92.52292799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":343.090728,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":286.3117279999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":50.07982800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":69.65492799999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":56.9418,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":236.9418,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"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":2151,"month":4,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506808.770833,"kali_year":5253,"ahargana":1918343.2708,"sun":{"sidereal_longitude":6.4548,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":85.3875,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.9326,"elapsed_within_tithi_degrees":6.9326},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.3875,"elapsed_within_degrees":5.3875},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.8423},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.142,"elongation":78.933},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.142,"opposition_distance":101.067}},"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":"05:42","sunsetLocal":"18:49","solarNoonLocal":"12:15","dayLengthHours":13.10814745986342,"dayLengthDisplay":"13 Hours 06 Mins 29 Secs","nightLengthDisplay":"10 Hours 53 Mins 31 Secs","moonriseLocal":"10:36","moonsetLocal":"00:28","rahuKala":{"name":"Rāhu Kāla","start":"10:37","end":"12:15","startHours":10.61693175510683,"endHours":12.255450187589759,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:32","end":"17:10","startHours":15.532487052555613,"endHours":17.171005485038542,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:20","end":"08:59","startHours":7.339894890140975,"endHours":8.978413322623902,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:12","startHours":8.759944198292846,"endHours":9.196882446954959,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:36","startHours":6.247549268485691,"endHours":6.597099867415382,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:42","startHours":11.818511938927644,"endHours":12.692388436251873,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:57","end":"04:50","startHours":3.9536234630095923,"endHours":4.82749996033382,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:37","end":"05:42","startHours":4.609030836002763,"endHours":5.701376457658048,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:19","startHours":14.440141430900328,"endHours":15.314017928224555,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.609523917521468,"endHours":19.009523917521467,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:21","startHours":18.809523917521467,"endHours":19.35569672834911,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.559523917521467,"endHours":20.309523917521467,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:42","startHours":23.818511938927646,"endHours":24.69238843625187,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:42","end":"07:20","startHours":5.701376457658048,"endHours":7.339894890140975,"quality":"neutral"},{"name":"Labha","start":"07:20","end":"08:59","startHours":7.339894890140975,"endHours":8.978413322623902,"quality":"auspicious"},{"name":"Amṛta","start":"08:59","end":"10:37","startHours":8.978413322623902,"endHours":10.61693175510683,"quality":"auspicious"},{"name":"Kāla","start":"10:37","end":"12:15","startHours":10.61693175510683,"endHours":12.255450187589759,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:54","startHours":12.255450187589759,"endHours":13.893968620072686,"quality":"auspicious"},{"name":"Roga","start":"13:54","end":"15:32","startHours":13.893968620072686,"endHours":15.532487052555613,"quality":"inauspicious"},{"name":"Udveg","start":"15:32","end":"17:10","startHours":15.532487052555613,"endHours":17.171005485038542,"quality":"inauspicious"},{"name":"Chala","start":"17:10","end":"18:49","startHours":17.171005485038542,"endHours":18.809523917521467,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:49","end":"20:10","startHours":18.809523917521467,"endHours":20.17100548503854,"quality":"inauspicious"},{"name":"Udveg","start":"20:10","end":"21:32","startHours":20.17100548503854,"endHours":21.532487052555613,"quality":"inauspicious"},{"name":"Chala","start":"21:32","end":"22:54","startHours":21.532487052555613,"endHours":22.893968620072684,"quality":"neutral"},{"name":"Labha","start":"22:54","end":"00:15","startHours":22.893968620072684,"endHours":24.25545018758976,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:37","startHours":24.25545018758976,"endHours":25.61693175510683,"quality":"auspicious"},{"name":"Kāla","start":"01:37","end":"02:59","startHours":25.61693175510683,"endHours":26.9784133226239,"quality":"inauspicious"},{"name":"Śubha","start":"02:59","end":"04:20","startHours":26.9784133226239,"endHours":28.339894890140975,"quality":"auspicious"},{"name":"Roga","start":"04:20","end":"05:42","startHours":28.339894890140975,"endHours":29.70137645765805,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.701376457658048,"endHours":6.701376457658048,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.701376457658048,"endHours":7.701376457658048,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.701376457658048,"endHours":8.701376457658048,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.701376457658048,"endHours":9.701376457658048,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.701376457658048,"endHours":10.701376457658048,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.701376457658048,"endHours":11.701376457658048,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.701376457658048,"endHours":12.701376457658048,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.701376457658048,"endHours":13.701376457658048,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.701376457658048,"endHours":14.701376457658048,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.701376457658048,"endHours":15.701376457658048,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.701376457658048,"endHours":16.70137645765805,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.70137645765805,"endHours":17.70137645765805,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.70137645765805,"endHours":18.70137645765805,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.70137645765805,"endHours":19.70137645765805,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.70137645765805,"endHours":20.70137645765805,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.70137645765805,"endHours":21.70137645765805,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.70137645765805,"endHours":22.70137645765805,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.70137645765805,"endHours":23.70137645765805,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.70137645765805,"endHours":24.70137645765805,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.70137645765805,"endHours":25.70137645765805,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.70137645765805,"endHours":26.70137645765805,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.70137645765805,"endHours":27.70137645765805,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.70137645765805,"endHours":28.70137645765805,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.70137645765805,"endHours":29.70137645765805,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-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":12.396355952933126,"eotMinutes":1.6025887446145586,"ayanamsa":25.9666}},"calendars":{"vikram_samvat":2208,"vikram_samvatsara":"Raktākṣī","saka_samvat":2073,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1558,"malayalam_era":1327,"nanakshahi_year":682,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha (Adhika) Śukla Saptamī · Vikram 2208 Raktākṣī · Śaka 2073 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 23, 2151 CE · Ṛṣikeśa · Vidhyamitra","description":"April 23, 2151 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:42, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2151-04-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2151-04-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2151-04-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2151-04-23","x-default":"https://vidhyamitra.com/city/rishikesh/2151-04-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:26:20.835Z","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":"2026-06-02T13:26:20.835Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:26:20.835Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}