{"id":"vidhyamitra:city-day:rishikesh:2066-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2066-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2066-05-31","date_display":"May 31, 2066 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":2066,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2475801.770833,"kali_year":5168,"ahargana":1887336.2708,"sun":{"sidereal_longitude":44.8981,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":124.4368,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.5387,"elapsed_within_tithi_degrees":7.5387},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.4368,"elapsed_within_degrees":4.4368},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.335},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2066,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2475801.770833,"ahargana":1887336.2708,"kali_year":5168,"ayanamsa_lahiri":24.7807,"grahas":{"sun":{"sidereal_longitude":45.17042300000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":120.60172299999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":-3.1578},"mars":{"sidereal_longitude":72.32402300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":66.91242299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":220.65502300000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":81.34532300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":116.513623,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":259.8419,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":79.8419,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2066,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2475801.770833,"kali_year":5168,"ahargana":1887336.2708,"sun":{"sidereal_longitude":44.8981,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":124.4368,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.5387,"elapsed_within_tithi_degrees":7.5387},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.4368,"elapsed_within_degrees":4.4368},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.335},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.158,"elongation":79.539},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.158,"opposition_distance":100.461}},"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":"05:16","sunsetLocal":"19:13","solarNoonLocal":"12:14","dayLengthHours":13.94206771970392,"dayLengthDisplay":"13 Hours 56 Mins 31 Secs","nightLengthDisplay":"10 Hours 03 Mins 29 Secs","moonriseLocal":"10:42","moonsetLocal":"23:50","rahuKala":{"name":"Rāhu Kāla","start":"07:01","end":"08:45","startHours":7.012225159142036,"endHours":8.754983624105027,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:30","end":"12:14","startHours":10.497742089068016,"endHours":12.240500554031005,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:59","end":"15:44","startHours":13.983259018993996,"endHours":15.726017483956985,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"08:59","startHours":8.522615828776628,"endHours":8.987351419433425,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:13","startHours":5.850386182500043,"endHours":6.222174655025481,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:42","startHours":11.775764963374208,"endHours":12.705236144687802,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:20","startHours":3.4105243315518567,"endHours":4.3399955128654515,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:06","end":"05:16","startHours":4.107627717537053,"endHours":5.269466694179046,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:30","startHours":14.564178507314992,"endHours":15.493649688628587,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.011534413882966,"endHours":19.411534413882965,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:48","startHours":19.211534413882966,"endHours":19.792453902203963,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.961534413882966,"endHours":20.711534413882966,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:42","startHours":23.775764963374208,"endHours":24.705236144687802,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:16","end":"07:01","startHours":5.269466694179046,"endHours":7.012225159142036,"quality":"auspicious"},{"name":"Kāla","start":"07:01","end":"08:45","startHours":7.012225159142036,"endHours":8.754983624105027,"quality":"inauspicious"},{"name":"Śubha","start":"08:45","end":"10:30","startHours":8.754983624105027,"endHours":10.497742089068016,"quality":"auspicious"},{"name":"Roga","start":"10:30","end":"12:14","startHours":10.497742089068016,"endHours":12.240500554031005,"quality":"inauspicious"},{"name":"Udveg","start":"12:14","end":"13:59","startHours":12.240500554031005,"endHours":13.983259018993996,"quality":"inauspicious"},{"name":"Chala","start":"13:59","end":"15:44","startHours":13.983259018993996,"endHours":15.726017483956985,"quality":"neutral"},{"name":"Labha","start":"15:44","end":"17:28","startHours":15.726017483956985,"endHours":17.468775948919976,"quality":"auspicious"},{"name":"Amṛta","start":"17:28","end":"19:13","startHours":17.468775948919976,"endHours":19.211534413882966,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:13","end":"20:28","startHours":19.211534413882966,"endHours":20.468775948919976,"quality":"neutral"},{"name":"Labha","start":"20:28","end":"21:44","startHours":20.468775948919976,"endHours":21.726017483956987,"quality":"auspicious"},{"name":"Amṛta","start":"21:44","end":"22:59","startHours":21.726017483956987,"endHours":22.983259018993998,"quality":"auspicious"},{"name":"Kāla","start":"22:59","end":"00:14","startHours":22.983259018993998,"endHours":24.240500554031005,"quality":"inauspicious"},{"name":"Śubha","start":"00:14","end":"01:30","startHours":24.240500554031005,"endHours":25.497742089068016,"quality":"auspicious"},{"name":"Roga","start":"01:30","end":"02:45","startHours":25.497742089068016,"endHours":26.754983624105027,"quality":"inauspicious"},{"name":"Udveg","start":"02:45","end":"04:01","startHours":26.754983624105027,"endHours":28.012225159142034,"quality":"inauspicious"},{"name":"Chala","start":"04:01","end":"05:16","startHours":28.012225159142034,"endHours":29.269466694179044,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.269466694179046,"endHours":6.269466694179046,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.269466694179046,"endHours":7.269466694179046,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.269466694179046,"endHours":8.269466694179046,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.269466694179046,"endHours":9.269466694179046,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.269466694179046,"endHours":10.269466694179046,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.269466694179046,"endHours":11.269466694179046,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.269466694179046,"endHours":12.269466694179046,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.269466694179046,"endHours":13.269466694179046,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.269466694179046,"endHours":14.269466694179046,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.269466694179046,"endHours":15.269466694179046,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.269466694179046,"endHours":16.269466694179044,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.269466694179044,"endHours":17.269466694179044,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.269466694179044,"endHours":18.269466694179044,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.269466694179044,"endHours":19.269466694179044,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.269466694179044,"endHours":20.269466694179044,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.269466694179044,"endHours":21.269466694179044,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.269466694179044,"endHours":22.269466694179044,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.269466694179044,"endHours":23.269466694179044,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.269466694179044,"endHours":24.269466694179044,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.269466694179044,"endHours":25.269466694179044,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.269466694179044,"endHours":26.269466694179044,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.269466694179044,"endHours":27.269466694179044,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.269466694179044,"endHours":28.269466694179044,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.269466694179044,"endHours":29.269466694179044,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.93966859397774,"eotMinutes":2.4995667581397525,"ayanamsa":24.7807}},"calendars":{"vikram_samvat":2123,"vikram_samvatsara":"Vikāri","saka_samvat":1988,"saka_samvatsara":"Vyaya","bengali_samvat":1473,"malayalam_era":1242,"nanakshahi_year":597,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Saptamī · Vikram 2123 Vikāri · Śaka 1988 Vyaya"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 May 31, 2066 CE · Ṛṣikeśa · Vidhyamitra","description":"May 31, 2066 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:16, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2066-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2066-05-31","sa":"https://sa.vidhyamitra.com/city/rishikesh/2066-05-31","hi":"https://hi.vidhyamitra.com/city/rishikesh/2066-05-31","x-default":"https://vidhyamitra.com/city/rishikesh/2066-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:52:00.789Z","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":"2026-05-31T16:52:00.789Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:52:00.789Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}