{"id":"vidhyamitra:city-day:rishikesh:2031-07-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2031-07-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-07-30","date_display":"July 30, 2031 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":2031,"month":7,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463077.770833,"kali_year":5133,"ahargana":1874612.2708,"sun":{"sidereal_longitude":101.835,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":228.3426,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.5076,"elapsed_within_tithi_degrees":6.5076},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.3426,"elapsed_within_degrees":1.676},"yoga":{"number":25,"name":"Brahma","sum_longitude":330.1777},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2031,"month":7,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463077.770833,"ahargana":1874612.2708,"kali_year":5133,"ayanamsa_lahiri":24.2941,"grahas":{"sun":{"sidereal_longitude":102.43177400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":225.96657400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":1.1121},"mars":{"sidereal_longitude":201.598074,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":121.752474,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":235.27957400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":119.92237399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":54.80677400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":214.0206,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.0206,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2031,"month":7,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463077.770833,"kali_year":5133,"ahargana":1874612.2708,"sun":{"sidereal_longitude":101.835,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":228.3426,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.5076,"elapsed_within_tithi_degrees":6.5076},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.3426,"elapsed_within_degrees":1.676},"yoga":{"number":25,"name":"Brahma","sum_longitude":330.1777},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.112,"elongation":126.508},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.112,"opposition_distance":53.492}},"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":"05:34","sunsetLocal":"19:12","solarNoonLocal":"12:23","dayLengthHours":13.636548838709032,"dayLengthDisplay":"13 Hours 38 Mins 12 Secs","nightLengthDisplay":"10 Hours 21 Mins 48 Secs","moonriseLocal":"15:28","moonsetLocal":"01:46","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"14:05","startHours":12.384071428613005,"endHours":14.088640033451636,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:16","end":"08:58","startHours":7.270365614097119,"endHours":8.974934218935747,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:41","end":"12:23","startHours":10.679502823774378,"endHours":12.384071428613005,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:12","startHours":8.747658404957264,"endHours":9.202210032914232,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:30","startHours":6.133986544204699,"endHours":6.497627846570273,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:50","startHours":11.929519800656037,"endHours":12.838623056569974,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:45","end":"04:39","startHours":3.747590497430619,"endHours":4.6566937533445545,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:34","startHours":4.42941793936607,"endHours":5.56579700925849,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:34","startHours":14.656829568397846,"endHours":15.565932824311782,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":19.002345847967522,"endHours":19.40234584796752,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:46","startHours":19.20234584796752,"endHours":19.77053538291373,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.95234584796752,"endHours":20.70234584796752,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:50","startHours":23.92951980065604,"endHours":24.838623056569972,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:34","end":"07:16","startHours":5.56579700925849,"endHours":7.270365614097119,"quality":"auspicious"},{"name":"Amṛta","start":"07:16","end":"08:58","startHours":7.270365614097119,"endHours":8.974934218935747,"quality":"auspicious"},{"name":"Kāla","start":"08:58","end":"10:41","startHours":8.974934218935747,"endHours":10.679502823774378,"quality":"inauspicious"},{"name":"Śubha","start":"10:41","end":"12:23","startHours":10.679502823774378,"endHours":12.384071428613005,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"14:05","startHours":12.384071428613005,"endHours":14.088640033451636,"quality":"inauspicious"},{"name":"Udveg","start":"14:05","end":"15:48","startHours":14.088640033451636,"endHours":15.793208638290263,"quality":"inauspicious"},{"name":"Chala","start":"15:48","end":"17:30","startHours":15.793208638290263,"endHours":17.497777243128894,"quality":"neutral"},{"name":"Labha","start":"17:30","end":"19:12","startHours":17.497777243128894,"endHours":19.20234584796752,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:12","end":"20:30","startHours":19.20234584796752,"endHours":20.497777243128894,"quality":"inauspicious"},{"name":"Chala","start":"20:30","end":"21:48","startHours":20.497777243128894,"endHours":21.793208638290263,"quality":"neutral"},{"name":"Labha","start":"21:48","end":"23:05","startHours":21.793208638290263,"endHours":23.088640033451632,"quality":"auspicious"},{"name":"Amṛta","start":"23:05","end":"00:23","startHours":23.088640033451632,"endHours":24.384071428613005,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"01:41","startHours":24.384071428613005,"endHours":25.679502823774378,"quality":"inauspicious"},{"name":"Śubha","start":"01:41","end":"02:58","startHours":25.679502823774378,"endHours":26.974934218935747,"quality":"auspicious"},{"name":"Roga","start":"02:58","end":"04:16","startHours":26.974934218935747,"endHours":28.270365614097116,"quality":"inauspicious"},{"name":"Udveg","start":"04:16","end":"05:34","startHours":28.270365614097116,"endHours":29.56579700925849,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.56579700925849,"endHours":6.56579700925849,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.56579700925849,"endHours":7.56579700925849,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.56579700925849,"endHours":8.565797009258489,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.565797009258489,"endHours":9.565797009258489,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.565797009258489,"endHours":10.565797009258489,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.565797009258489,"endHours":11.565797009258489,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.565797009258489,"endHours":12.565797009258489,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.565797009258489,"endHours":13.565797009258489,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.565797009258489,"endHours":14.565797009258489,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.565797009258489,"endHours":15.565797009258489,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.565797009258489,"endHours":16.56579700925849,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.56579700925849,"endHours":17.56579700925849,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.56579700925849,"endHours":18.56579700925849,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.56579700925849,"endHours":19.56579700925849,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.56579700925849,"endHours":20.56579700925849,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.56579700925849,"endHours":21.56579700925849,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.56579700925849,"endHours":22.56579700925849,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.56579700925849,"endHours":23.56579700925849,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.56579700925849,"endHours":24.56579700925849,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.56579700925849,"endHours":25.56579700925849,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.56579700925849,"endHours":26.56579700925849,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.56579700925849,"endHours":27.56579700925849,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.56579700925849,"endHours":28.56579700925849,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.56579700925849,"endHours":29.56579700925849,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.589452344592818,"eotMinutes":-6.1146857167802535,"ayanamsa":24.2941}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ekādaśī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"pavitropana-ekadashi","name":"Pavitropanā Ekādaśī (Putradā)","name_sanskrit":"पवित्रोपना एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Confers son; pavitra (sacred thread) ceremony for Viṣṇu.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 July 30, 2031 CE · Ṛṣikeśa · Vidhyamitra","description":"July 30, 2031 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 05:34, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2031-07-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2031-07-30","sa":"https://sa.vidhyamitra.com/city/rishikesh/2031-07-30","hi":"https://hi.vidhyamitra.com/city/rishikesh/2031-07-30","x-default":"https://vidhyamitra.com/city/rishikesh/2031-07-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T04:32:21.776Z","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":"2026-05-15T04:32:21.776Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T04:32:21.776Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}