{"id":"vidhyamitra:city-day:rishikesh:2030-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2030-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-05-31","date_display":"May 31, 2030 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":2030,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462652.770833,"kali_year":5132,"ahargana":1874187.2708,"sun":{"sidereal_longitude":45.1983,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":31.9006,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.7024,"elapsed_within_tithi_degrees":10.7024},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.9006,"elapsed_within_degrees":5.234},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":77.0989},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":2030,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462652.770833,"ahargana":1874187.2708,"kali_year":5132,"ayanamsa_lahiri":24.2778,"grahas":{"sun":{"sidereal_longitude":45.38681199999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":32.16651200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":1.8744},"mars":{"sidereal_longitude":43.561012000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":21.820712000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":206.40691200000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":8.699711999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":35.50371200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":236.5392,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":56.5392,"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":2030,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462652.770833,"kali_year":5132,"ahargana":1874187.2708,"sun":{"sidereal_longitude":45.1983,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":31.9006,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.7024,"elapsed_within_tithi_degrees":10.7024},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":31.9006,"elapsed_within_degrees":5.234},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":77.0989},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.874,"elongation":13.298},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.874,"opposition_distance":166.702}},"eclipse_window_40days":[{"offset_days":1,"type":"solar","occurs":true,"moon_latitude":0.934,"elongation":1.649}]},"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":13.938093508992715,"dayLengthDisplay":"13 Hours 56 Mins 17 Secs","nightLengthDisplay":"10 Hours 03 Mins 43 Secs","moonriseLocal":"04:32","moonsetLocal":"18:11","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"12:14","startHours":10.498238865406915,"endHours":12.240500554031005,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:44","end":"17:28","startHours":15.725023931279184,"endHours":17.467285619903272,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:01","end":"08:45","startHours":7.013715488158737,"endHours":8.755977176782826,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"08:59","startHours":8.523675618299613,"endHours":8.988278735266038,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:13","startHours":5.852207695742678,"endHours":6.223890189315817,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:42","startHours":11.77589743706458,"endHours":12.70510367099743,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:21","startHours":3.4130413316689525,"endHours":4.3422475656018,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:16","startHours":4.109946007118588,"endHours":5.2714537995346475,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:30","startHours":14.563516138863124,"endHours":15.49272237279597,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.009547308527363,"endHours":19.40954730852736,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:47","startHours":19.209547308527362,"endHours":19.790301204735393,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.959547308527362,"endHours":20.709547308527362,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:42","startHours":23.775897437064582,"endHours":24.705103670997428,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:16","end":"07:01","startHours":5.2714537995346475,"endHours":7.013715488158737,"quality":"neutral"},{"name":"Labha","start":"07:01","end":"08:45","startHours":7.013715488158737,"endHours":8.755977176782826,"quality":"auspicious"},{"name":"Amṛta","start":"08:45","end":"10:30","startHours":8.755977176782826,"endHours":10.498238865406915,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"12:14","startHours":10.498238865406915,"endHours":12.240500554031005,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:59","startHours":12.240500554031005,"endHours":13.982762242655095,"quality":"auspicious"},{"name":"Roga","start":"13:59","end":"15:44","startHours":13.982762242655095,"endHours":15.725023931279184,"quality":"inauspicious"},{"name":"Udveg","start":"15:44","end":"17:28","startHours":15.725023931279184,"endHours":17.467285619903272,"quality":"inauspicious"},{"name":"Chala","start":"17:28","end":"19:13","startHours":17.467285619903272,"endHours":19.209547308527362,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:13","end":"20:28","startHours":19.209547308527362,"endHours":20.467285619903272,"quality":"inauspicious"},{"name":"Udveg","start":"20:28","end":"21:44","startHours":20.467285619903272,"endHours":21.725023931279182,"quality":"inauspicious"},{"name":"Chala","start":"21:44","end":"22:59","startHours":21.725023931279182,"endHours":22.982762242655095,"quality":"neutral"},{"name":"Labha","start":"22:59","end":"00:14","startHours":22.982762242655095,"endHours":24.240500554031005,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:30","startHours":24.240500554031005,"endHours":25.498238865406915,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"02:45","startHours":25.498238865406915,"endHours":26.755977176782828,"quality":"inauspicious"},{"name":"Śubha","start":"02:45","end":"04:01","startHours":26.755977176782828,"endHours":28.013715488158738,"quality":"auspicious"},{"name":"Roga","start":"04:01","end":"05:16","startHours":28.013715488158738,"endHours":29.271453799534648,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.2714537995346475,"endHours":6.2714537995346475,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.2714537995346475,"endHours":7.2714537995346475,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.2714537995346475,"endHours":8.271453799534648,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.271453799534648,"endHours":9.271453799534648,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.271453799534648,"endHours":10.271453799534648,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.271453799534648,"endHours":11.271453799534648,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.271453799534648,"endHours":12.271453799534648,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.271453799534648,"endHours":13.271453799534648,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.271453799534648,"endHours":14.271453799534648,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.271453799534648,"endHours":15.271453799534648,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.271453799534648,"endHours":16.271453799534648,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.271453799534648,"endHours":17.271453799534648,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.271453799534648,"endHours":18.271453799534648,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.271453799534648,"endHours":19.271453799534648,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.271453799534648,"endHours":20.271453799534648,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.271453799534648,"endHours":21.271453799534648,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.271453799534648,"endHours":22.271453799534648,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.271453799534648,"endHours":23.271453799534648,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.271453799534648,"endHours":24.271453799534648,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.271453799534648,"endHours":25.271453799534648,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.271453799534648,"endHours":26.271453799534648,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.271453799534648,"endHours":27.271453799534648,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.271453799534648,"endHours":28.271453799534648,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.271453799534648,"endHours":29.271453799534648,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.897270233950238,"eotMinutes":2.4995667581397525,"ayanamsa":24.2778}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Caturdaśī · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"-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 May 31, 2030 CE · Ṛṣikeśa · Vidhyamitra","description":"May 31, 2030 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 05:16, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2030-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2030-05-31","sa":"https://sa.vidhyamitra.com/city/rishikesh/2030-05-31","hi":"https://hi.vidhyamitra.com/city/rishikesh/2030-05-31","x-default":"https://vidhyamitra.com/city/rishikesh/2030-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T22:27:43.031Z","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":"2026-05-14T22:27:43.031Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T22:27:43.031Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}