{"id":"vidhyamitra:city-day:rishikesh:2131-07-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2131-07-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-07-29","date_display":"July 29, 2131 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":2131,"month":7,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499600.770833,"kali_year":5233,"ahargana":1911135.2708,"sun":{"sidereal_longitude":99.1044,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":156.1251,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.0207,"elapsed_within_tithi_degrees":9.0207},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.1251,"elapsed_within_degrees":9.4584},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.2295},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2131,"month":7,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499600.770833,"ahargana":1911135.2708,"kali_year":5233,"ayanamsa_lahiri":25.691,"grahas":{"sun":{"sidereal_longitude":99.92532700000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":155.07032700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":4.3891},"mars":{"sidereal_longitude":359.371127,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":83.799127,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":54.11172699999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":101.98722699999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":192.31852700000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":78.8563,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":258.8563,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"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":2131,"month":7,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499600.770833,"kali_year":5233,"ahargana":1911135.2708,"sun":{"sidereal_longitude":99.1044,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":156.1251,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.0207,"elapsed_within_tithi_degrees":9.0207},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.1251,"elapsed_within_degrees":9.4584},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.2295},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.389,"elongation":57.021},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.389,"opposition_distance":122.979}},"eclipse_window_40days":[{"offset_days":-5,"type":"solar","occurs":true,"moon_latitude":0.962,"elongation":2.89}]},"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":"05:33","sunsetLocal":"19:13","solarNoonLocal":"12:23","dayLengthHours":13.661023433972222,"dayLengthDisplay":"13 Hours 39 Mins 40 Secs","nightLengthDisplay":"10 Hours 20 Mins 20 Secs","moonriseLocal":"10:02","moonsetLocal":"22:06","rahuKala":{"name":"Rāhu Kāla","start":"17:30","end":"19:13","startHours":17.50750472783202,"endHours":19.21513265707855,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:23","end":"14:06","startHours":12.384620940092436,"endHours":14.092248869338963,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:48","end":"17:30","startHours":15.799876798585494,"endHours":17.50750472783202,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:12","startHours":8.741681357699845,"endHours":9.197048805498918,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:29","startHours":6.123318532855168,"endHours":6.487612491094428,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:50","startHours":11.929253492293364,"endHours":12.83998838789151,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:39","startHours":3.7326394319100293,"endHours":4.643374327508178,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:25","end":"05:33","startHours":4.415690603608641,"endHours":5.554109223106326,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:34","startHours":14.661458179087806,"endHours":15.572193074685954,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.01513265707855,"endHours":19.415132657078548,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:47","startHours":19.21513265707855,"endHours":19.78434196682739,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.96513265707855,"endHours":20.71513265707855,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:50","startHours":23.929253492293366,"endHours":24.839988387891513,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:33","end":"07:16","startHours":5.554109223106326,"endHours":7.261737152352854,"quality":"inauspicious"},{"name":"Chala","start":"07:16","end":"08:58","startHours":7.261737152352854,"endHours":8.969365081599381,"quality":"neutral"},{"name":"Labha","start":"08:58","end":"10:41","startHours":8.969365081599381,"endHours":10.676993010845909,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"12:23","startHours":10.676993010845909,"endHours":12.384620940092436,"quality":"auspicious"},{"name":"Kāla","start":"12:23","end":"14:06","startHours":12.384620940092436,"endHours":14.092248869338963,"quality":"inauspicious"},{"name":"Śubha","start":"14:06","end":"15:48","startHours":14.092248869338963,"endHours":15.799876798585494,"quality":"auspicious"},{"name":"Roga","start":"15:48","end":"17:30","startHours":15.799876798585494,"endHours":17.50750472783202,"quality":"inauspicious"},{"name":"Udveg","start":"17:30","end":"19:13","startHours":17.50750472783202,"endHours":19.21513265707855,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:13","end":"20:30","startHours":19.21513265707855,"endHours":20.50750472783202,"quality":"auspicious"},{"name":"Roga","start":"20:30","end":"21:48","startHours":20.50750472783202,"endHours":21.799876798585494,"quality":"inauspicious"},{"name":"Udveg","start":"21:48","end":"23:06","startHours":21.799876798585494,"endHours":23.092248869338967,"quality":"inauspicious"},{"name":"Chala","start":"23:06","end":"00:23","startHours":23.092248869338967,"endHours":24.38462094009244,"quality":"neutral"},{"name":"Labha","start":"00:23","end":"01:41","startHours":24.38462094009244,"endHours":25.676993010845912,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"02:58","startHours":25.676993010845912,"endHours":26.96936508159938,"quality":"auspicious"},{"name":"Kāla","start":"02:58","end":"04:16","startHours":26.96936508159938,"endHours":28.261737152352854,"quality":"inauspicious"},{"name":"Śubha","start":"04:16","end":"05:33","startHours":28.261737152352854,"endHours":29.554109223106327,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:33","end":"06:33","startHours":5.554109223106326,"endHours":6.554109223106326,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:33","end":"07:33","startHours":6.554109223106326,"endHours":7.554109223106326,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:33","end":"08:33","startHours":7.554109223106326,"endHours":8.554109223106327,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:33","end":"09:33","startHours":8.554109223106327,"endHours":9.554109223106327,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:33","end":"10:33","startHours":9.554109223106327,"endHours":10.554109223106327,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:33","end":"11:33","startHours":10.554109223106327,"endHours":11.554109223106327,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:33","end":"12:33","startHours":11.554109223106327,"endHours":12.554109223106327,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:33","end":"13:33","startHours":12.554109223106327,"endHours":13.554109223106327,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:33","end":"14:33","startHours":13.554109223106327,"endHours":14.554109223106327,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:33","end":"15:33","startHours":14.554109223106327,"endHours":15.554109223106327,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:33","end":"16:33","startHours":15.554109223106327,"endHours":16.554109223106327,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:33","end":"17:33","startHours":16.554109223106327,"endHours":17.554109223106327,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:33","end":"18:33","startHours":17.554109223106327,"endHours":18.554109223106327,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:33","end":"19:33","startHours":18.554109223106327,"endHours":19.554109223106327,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:33","end":"20:33","startHours":19.554109223106327,"endHours":20.554109223106327,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:33","end":"21:33","startHours":20.554109223106327,"endHours":21.554109223106327,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:33","end":"22:33","startHours":21.554109223106327,"endHours":22.554109223106327,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:33","end":"23:33","startHours":22.554109223106327,"endHours":23.554109223106327,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:33","end":"00:33","startHours":23.554109223106327,"endHours":24.554109223106327,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:33","end":"01:33","startHours":24.554109223106327,"endHours":25.554109223106327,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:33","end":"02:33","startHours":25.554109223106327,"endHours":26.554109223106327,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:33","end":"03:33","startHours":26.554109223106327,"endHours":27.554109223106327,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:33","end":"04:33","startHours":27.554109223106327,"endHours":28.554109223106327,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:33","end":"05:33","startHours":28.554109223106327,"endHours":29.554109223106327,"planetary_lord":"Jupiter"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"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":18.864464152414122,"eotMinutes":-6.147656405546237,"ayanamsa":25.691}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pañcamī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"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}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 July 29, 2131 CE · Ṛṣikeśa · Vidhyamitra","description":"July 29, 2131 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 05:33, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2131-07-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2131-07-29","sa":"https://sa.vidhyamitra.com/city/rishikesh/2131-07-29","hi":"https://hi.vidhyamitra.com/city/rishikesh/2131-07-29","x-default":"https://vidhyamitra.com/city/rishikesh/2131-07-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T06:00:17.119Z","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":"2026-05-23T06:00:17.119Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T06:00:17.119Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}