{"id":"vidhyamitra:city-day:rishikesh:2010-05-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2010-05-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2010-05-28","date_display":"May 28, 2010 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":2010,"month":5,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455344.770833,"kali_year":5112,"ahargana":1866879.2708,"sun":{"sidereal_longitude":42.5073,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":225.2345,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.7272,"elapsed_within_tithi_degrees":2.7272},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":225.2345,"elapsed_within_degrees":11.9011},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.7417},"karana":{"half_tithi_index":30,"name":"Bālava"},"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":2010,"month":5,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455344.770833,"ahargana":1866879.2708,"kali_year":5112,"ayanamsa_lahiri":23.9983,"grahas":{"sun":{"sidereal_longitude":42.62943100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":223.68663100000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":-2.8006},"mars":{"sidereal_longitude":120.65603099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":17.461330999999973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":334.81833099999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":75.42513099999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":153.60553099999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":263.7522,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":83.7522,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2010,"month":5,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455344.770833,"kali_year":5112,"ahargana":1866879.2708,"sun":{"sidereal_longitude":42.5073,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":225.2345,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.7272,"elapsed_within_tithi_degrees":2.7272},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":225.2345,"elapsed_within_degrees":11.9011},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.7417},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.801,"elongation":177.273},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.801,"opposition_distance":2.727}},"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":"05:17","sunsetLocal":"19:11","solarNoonLocal":"12:14","dayLengthHours":13.892962031627654,"dayLengthDisplay":"13 Hours 53 Mins 35 Secs","nightLengthDisplay":"10 Hours 06 Mins 25 Secs","moonriseLocal":"19:08","moonsetLocal":"05:28","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"12:14","startHours":10.497342853875761,"endHours":12.233963107829219,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:42","end":"17:27","startHours":15.707203615736132,"endHours":17.443823869689588,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:01","end":"08:46","startHours":7.024102345968848,"endHours":8.760722599922305,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.52917323272851,"endHours":8.9922719671161,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:14","startHours":5.866355509999877,"endHours":6.236834497509948,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:42","startHours":11.770864373441631,"endHours":12.697061842216806,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:22","startHours":3.4350871544650374,"endHours":4.3612846232402145,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:17","startHours":4.129735256046421,"endHours":5.2874820920153915,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:29","startHours":14.54945677976716,"endHours":15.475654248542337,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.980444123643046,"endHours":19.380444123643045,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:46","startHours":19.180444123643046,"endHours":19.75931754162753,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.930444123643046,"endHours":20.680444123643046,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:42","startHours":23.77086437344163,"endHours":24.697061842216808,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:17","end":"07:01","startHours":5.2874820920153915,"endHours":7.024102345968848,"quality":"neutral"},{"name":"Labha","start":"07:01","end":"08:46","startHours":7.024102345968848,"endHours":8.760722599922305,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:30","startHours":8.760722599922305,"endHours":10.497342853875761,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"12:14","startHours":10.497342853875761,"endHours":12.233963107829219,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:58","startHours":12.233963107829219,"endHours":13.970583361782676,"quality":"auspicious"},{"name":"Roga","start":"13:58","end":"15:42","startHours":13.970583361782676,"endHours":15.707203615736132,"quality":"inauspicious"},{"name":"Udveg","start":"15:42","end":"17:27","startHours":15.707203615736132,"endHours":17.443823869689588,"quality":"inauspicious"},{"name":"Chala","start":"17:27","end":"19:11","startHours":17.443823869689588,"endHours":19.180444123643046,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:11","end":"20:27","startHours":19.180444123643046,"endHours":20.443823869689588,"quality":"inauspicious"},{"name":"Udveg","start":"20:27","end":"21:42","startHours":20.443823869689588,"endHours":21.707203615736134,"quality":"inauspicious"},{"name":"Chala","start":"21:42","end":"22:58","startHours":21.707203615736134,"endHours":22.970583361782676,"quality":"neutral"},{"name":"Labha","start":"22:58","end":"00:14","startHours":22.970583361782676,"endHours":24.23396310782922,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:30","startHours":24.23396310782922,"endHours":25.49734285387576,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"02:46","startHours":25.49734285387576,"endHours":26.760722599922303,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:01","startHours":26.760722599922303,"endHours":28.02410234596885,"quality":"auspicious"},{"name":"Roga","start":"04:01","end":"05:17","startHours":28.02410234596885,"endHours":29.28748209201539,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.2874820920153915,"endHours":6.2874820920153915,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.2874820920153915,"endHours":7.2874820920153915,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.2874820920153915,"endHours":8.287482092015392,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.287482092015392,"endHours":9.287482092015392,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.287482092015392,"endHours":10.287482092015392,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.287482092015392,"endHours":11.287482092015392,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.287482092015392,"endHours":12.287482092015392,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.287482092015392,"endHours":13.287482092015392,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.287482092015392,"endHours":14.287482092015392,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.287482092015392,"endHours":15.287482092015392,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.287482092015392,"endHours":16.28748209201539,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.28748209201539,"endHours":17.28748209201539,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.28748209201539,"endHours":18.28748209201539,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.28748209201539,"endHours":19.28748209201539,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.28748209201539,"endHours":20.28748209201539,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.28748209201539,"endHours":21.28748209201539,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.28748209201539,"endHours":22.28748209201539,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.28748209201539,"endHours":23.28748209201539,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.28748209201539,"endHours":24.28748209201539,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.28748209201539,"endHours":25.28748209201539,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.28748209201539,"endHours":26.28748209201539,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.28748209201539,"endHours":27.28748209201539,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.28748209201539,"endHours":28.28748209201539,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.28748209201539,"endHours":29.28748209201539,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.41356558954491,"eotMinutes":2.8918135302468597,"ayanamsa":23.9983}},"calendars":{"vikram_samvat":2067,"vikram_samvatsara":"Śobhana","saka_samvat":1932,"saka_samvatsara":"Vikṛti","bengali_samvat":1417,"malayalam_era":1186,"nanakshahi_year":541,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","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 Kṛṣṇa Pratipada · Vikram 2067 Śobhana · Śaka 1932 Vikṛti"},"festivals":[{"id":"narada-jayanti","name":"Bhagavān Nārada Jayantī","name_sanskrit":"भगवान् नारद जयन्ती","tradition":"Vaishnava","associated_deity":"Devarṣi Nārada (ādi-bhakta · Vyāsa's guru)","significance":"Manifestation of Devarṣi Nārada — ādi-bhakta and tri-loka-saṅcāri who instructed Vyāsa to compose Śrīmad Bhāgavata. Without Nārada, no Bhāgavata; without Bhāgavata, no Krishna-tattva-pratiṣṭhā in Kali Yuga. Falls on Vaiśākha Kṛṣṇa Pratipadā (day after Buddha Pūrṇimā).","vrata":true,"primary_observance":"Recitation of Nārada-Bhakti-Sūtra; meditation on Krishna as taught by Nārada to Vyāsa (Bhāgavata 1.5)","detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Vaiśākha","lunar_month_system":"amanta"},"precedence":1,"sources":["Bhāgavata Purāṇa 1.5-6 (Nārada-Vyāsa-saṁvāda)","Nārada-Bhakti-Sūtra"]}],"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":[]},"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 28, 2010 CE · Ṛṣikeśa · Vidhyamitra","description":"May 28, 2010 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 05:17, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2010-05-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2010-05-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2010-05-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2010-05-28","x-default":"https://vidhyamitra.com/city/rishikesh/2010-05-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:30:14.139Z","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":"2026-05-31T02:30:14.139Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:30:14.139Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}