{"id":"vidhyamitra:city-day:rishikesh:2011-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2011-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-07-28","date_display":"July 28, 2011 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":2011,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455770.770833,"kali_year":5113,"ahargana":1867305.2708,"sun":{"sidereal_longitude":100.102,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":65.3036,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.2016,"elapsed_within_tithi_degrees":1.2016},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.3036,"elapsed_within_degrees":11.9702},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":165.4055},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2011,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455770.770833,"ahargana":1867305.2708,"kali_year":5113,"ayanamsa_lahiri":24.0146,"grahas":{"sun":{"sidereal_longitude":100.63865499999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":65.91225500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-0.3232},"mars":{"sidereal_longitude":61.495655,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":125.593955,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":14.487255000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":95.117955,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":167.79415500000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":241.1806,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":61.1806,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455770.770833,"kali_year":5113,"ahargana":1867305.2708,"sun":{"sidereal_longitude":100.102,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":65.3036,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.2016,"elapsed_within_tithi_degrees":1.2016},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.3036,"elapsed_within_degrees":11.9702},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":165.4055},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.323,"elongation":34.798},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.323,"opposition_distance":145.202}},"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":"05:33","sunsetLocal":"19:14","solarNoonLocal":"12:23","dayLengthHours":13.681848572711495,"dayLengthDisplay":"13 Hours 40 Mins 55 Secs","nightLengthDisplay":"10 Hours 19 Mins 05 Secs","moonriseLocal":"03:03","moonsetLocal":"17:05","rahuKala":{"name":"Rāhu Kāla","start":"14:06","end":"15:48","startHours":14.095230282862289,"endHours":15.805461354451229,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:33","end":"07:15","startHours":5.544074924917607,"endHours":7.2543059965065435,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:58","end":"10:40","startHours":8.964537068095481,"endHours":10.674768139684417,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:12","startHours":8.736506258550289,"endHours":9.192567877640672,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:29","startHours":6.114151948780585,"endHours":6.479001244052892,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:50","startHours":11.92893759218297,"endHours":12.841060830363736,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:43","end":"04:38","startHours":3.7198284485560738,"endHours":4.631951686736841,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:33","startHours":4.4039208771916485,"endHours":5.544074924917607,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:35","startHours":14.665307306725271,"endHours":15.577430544906038,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.0259234976291,"endHours":19.4259234976291,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:48","startHours":19.2259234976291,"endHours":19.79600052149208,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.9759234976291,"endHours":20.7259234976291,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:50","startHours":23.92893759218297,"endHours":24.841060830363737,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:33","end":"07:15","startHours":5.544074924917607,"endHours":7.2543059965065435,"quality":"auspicious"},{"name":"Roga","start":"07:15","end":"08:58","startHours":7.2543059965065435,"endHours":8.964537068095481,"quality":"inauspicious"},{"name":"Udveg","start":"08:58","end":"10:40","startHours":8.964537068095481,"endHours":10.674768139684417,"quality":"inauspicious"},{"name":"Chala","start":"10:40","end":"12:23","startHours":10.674768139684417,"endHours":12.384999211273353,"quality":"neutral"},{"name":"Labha","start":"12:23","end":"14:06","startHours":12.384999211273353,"endHours":14.095230282862289,"quality":"auspicious"},{"name":"Amṛta","start":"14:06","end":"15:48","startHours":14.095230282862289,"endHours":15.805461354451229,"quality":"auspicious"},{"name":"Kāla","start":"15:48","end":"17:31","startHours":15.805461354451229,"endHours":17.515692426040165,"quality":"inauspicious"},{"name":"Śubha","start":"17:31","end":"19:14","startHours":17.515692426040165,"endHours":19.2259234976291,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:14","end":"20:31","startHours":19.2259234976291,"endHours":20.515692426040165,"quality":"auspicious"},{"name":"Kāla","start":"20:31","end":"21:48","startHours":20.515692426040165,"endHours":21.805461354451225,"quality":"inauspicious"},{"name":"Śubha","start":"21:48","end":"23:06","startHours":21.805461354451225,"endHours":23.09523028286229,"quality":"auspicious"},{"name":"Roga","start":"23:06","end":"00:23","startHours":23.09523028286229,"endHours":24.384999211273353,"quality":"inauspicious"},{"name":"Udveg","start":"00:23","end":"01:40","startHours":24.384999211273353,"endHours":25.674768139684417,"quality":"inauspicious"},{"name":"Chala","start":"01:40","end":"02:58","startHours":25.674768139684417,"endHours":26.96453706809548,"quality":"neutral"},{"name":"Labha","start":"02:58","end":"04:15","startHours":26.96453706809548,"endHours":28.25430599650654,"quality":"auspicious"},{"name":"Amṛta","start":"04:15","end":"05:33","startHours":28.25430599650654,"endHours":29.544074924917606,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:33","end":"06:33","startHours":5.544074924917607,"endHours":6.544074924917607,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:33","end":"07:33","startHours":6.544074924917607,"endHours":7.544074924917607,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:33","end":"08:33","startHours":7.544074924917607,"endHours":8.544074924917606,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:33","end":"09:33","startHours":8.544074924917606,"endHours":9.544074924917606,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:33","end":"10:33","startHours":9.544074924917606,"endHours":10.544074924917606,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:33","end":"11:33","startHours":10.544074924917606,"endHours":11.544074924917606,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:33","end":"12:33","startHours":11.544074924917606,"endHours":12.544074924917606,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:33","end":"13:33","startHours":12.544074924917606,"endHours":13.544074924917606,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:33","end":"14:33","startHours":13.544074924917606,"endHours":14.544074924917606,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:33","end":"15:33","startHours":14.544074924917606,"endHours":15.544074924917606,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:33","end":"16:33","startHours":15.544074924917606,"endHours":16.544074924917606,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:33","end":"17:33","startHours":16.544074924917606,"endHours":17.544074924917606,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:33","end":"18:33","startHours":17.544074924917606,"endHours":18.544074924917606,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:33","end":"19:33","startHours":18.544074924917606,"endHours":19.544074924917606,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:33","end":"20:33","startHours":19.544074924917606,"endHours":20.544074924917606,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:33","end":"21:33","startHours":20.544074924917606,"endHours":21.544074924917606,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:33","end":"22:33","startHours":21.544074924917606,"endHours":22.544074924917606,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:33","end":"23:33","startHours":22.544074924917606,"endHours":23.544074924917606,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:33","end":"00:33","startHours":23.544074924917606,"endHours":24.544074924917606,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:33","end":"01:33","startHours":24.544074924917606,"endHours":25.544074924917606,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:33","end":"02:33","startHours":25.544074924917606,"endHours":26.544074924917606,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:33","end":"03:33","startHours":26.544074924917606,"endHours":27.544074924917606,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:33","end":"04:33","startHours":27.544074924917606,"endHours":28.544074924917606,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:33","end":"05:33","startHours":28.544074924917606,"endHours":29.544074924917606,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","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":19.097580217417704,"eotMinutes":-6.170352676401169,"ayanamsa":24.0146}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Trayodaśī · Vikram 2068 Krodhi · Śaka 1933 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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 28, 2011 CE · Ṛṣikeśa · Vidhyamitra","description":"July 28, 2011 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 05:33, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2011-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2011-07-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2011-07-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2011-07-28","x-default":"https://vidhyamitra.com/city/rishikesh/2011-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T11:51:41.106Z","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":"2026-05-16T11:51:41.106Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T11:51:41.106Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}