{"id":"vidhyamitra:city-day:rishikesh:2038-08-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2038-08-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2038-08-28","date_display":"August 28, 2038 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":2038,"month":8,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465663.770833,"kali_year":5140,"ahargana":1877198.2708,"sun":{"sidereal_longitude":129.7133,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":98.7686,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.0553,"elapsed_within_tithi_degrees":5.0553},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.7686,"elapsed_within_degrees":5.4353},"yoga":{"number":18,"name":"Varīyān","sum_longitude":228.4819},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2038,"month":8,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465663.770833,"ahargana":1877198.2708,"kali_year":5140,"ayanamsa_lahiri":24.393,"grahas":{"sun":{"sidereal_longitude":130.476469,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":99.50666899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":1.6672},"mars":{"sidereal_longitude":150.93206899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":113.13936899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":111.01186899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":116.42276900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":142.62196900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":77.0019,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":257.0019,"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":2038,"month":8,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465663.770833,"kali_year":5140,"ahargana":1877198.2708,"sun":{"sidereal_longitude":129.7133,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":98.7686,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.0553,"elapsed_within_tithi_degrees":5.0553},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.7686,"elapsed_within_degrees":5.4353},"yoga":{"number":18,"name":"Varīyān","sum_longitude":228.4819},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.667,"elongation":30.945},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.667,"opposition_distance":149.055}},"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":"05:51","sunsetLocal":"18:44","solarNoonLocal":"12:18","dayLengthHours":12.890754065118923,"dayLengthDisplay":"12 Hours 53 Mins 27 Secs","nightLengthDisplay":"11 Hours 06 Mins 33 Secs","moonriseLocal":"03:24","moonsetLocal":"17:04","rahuKala":{"name":"Rāhu Kāla","start":"09:04","end":"10:41","startHours":9.072980295736672,"endHours":10.684324553876536,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:31","startHours":13.907013070156268,"endHours":15.518357328296133,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:51","end":"07:28","startHours":5.850291779456941,"endHours":7.461636037596806,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.858134394651357,"endHours":9.287826196821987,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:44","startHours":6.38740653217023,"endHours":6.731159973906735,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:44","startHours":11.865977009845773,"endHours":12.725360614187034,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"04:59","startHours":4.131524570774419,"endHours":4.990908175115679,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:47","end":"05:51","startHours":4.776062274030364,"endHours":5.850291779456941,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:18","startHours":14.444127822869557,"endHours":15.303511427210818,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.541045844575866,"endHours":18.941045844575864,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:17","startHours":18.741045844575865,"endHours":19.278160597289155,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.491045844575865,"endHours":20.241045844575865,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:44","startHours":23.86597700984577,"endHours":24.725360614187032,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:51","end":"07:28","startHours":5.850291779456941,"endHours":7.461636037596806,"quality":"inauspicious"},{"name":"Śubha","start":"07:28","end":"09:04","startHours":7.461636037596806,"endHours":9.072980295736672,"quality":"auspicious"},{"name":"Roga","start":"09:04","end":"10:41","startHours":9.072980295736672,"endHours":10.684324553876536,"quality":"inauspicious"},{"name":"Udveg","start":"10:41","end":"12:18","startHours":10.684324553876536,"endHours":12.295668812016402,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"13:54","startHours":12.295668812016402,"endHours":13.907013070156268,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:31","startHours":13.907013070156268,"endHours":15.518357328296133,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"17:08","startHours":15.518357328296133,"endHours":17.129701586436,"quality":"auspicious"},{"name":"Kāla","start":"17:08","end":"18:44","startHours":17.129701586436,"endHours":18.741045844575865,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:44","end":"20:08","startHours":18.741045844575865,"endHours":20.129701586436,"quality":"auspicious"},{"name":"Amṛta","start":"20:08","end":"21:31","startHours":20.129701586436,"endHours":21.518357328296133,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"22:54","startHours":21.518357328296133,"endHours":22.907013070156268,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:18","startHours":22.907013070156268,"endHours":24.2956688120164,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"01:41","startHours":24.2956688120164,"endHours":25.684324553876536,"quality":"inauspicious"},{"name":"Udveg","start":"01:41","end":"03:04","startHours":25.684324553876536,"endHours":27.072980295736674,"quality":"inauspicious"},{"name":"Chala","start":"03:04","end":"04:28","startHours":27.072980295736674,"endHours":28.461636037596808,"quality":"neutral"},{"name":"Labha","start":"04:28","end":"05:51","startHours":28.461636037596808,"endHours":29.850291779456942,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.850291779456941,"endHours":6.850291779456941,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.850291779456941,"endHours":7.850291779456941,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.850291779456941,"endHours":8.850291779456942,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.850291779456942,"endHours":9.850291779456942,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.850291779456942,"endHours":10.850291779456942,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.850291779456942,"endHours":11.850291779456942,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.850291779456942,"endHours":12.850291779456942,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.850291779456942,"endHours":13.850291779456942,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.850291779456942,"endHours":14.850291779456942,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.850291779456942,"endHours":15.850291779456942,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.850291779456942,"endHours":16.850291779456942,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.850291779456942,"endHours":17.850291779456942,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.850291779456942,"endHours":18.850291779456942,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.850291779456942,"endHours":19.850291779456942,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.850291779456942,"endHours":20.850291779456942,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.850291779456942,"endHours":21.850291779456942,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.850291779456942,"endHours":22.850291779456942,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.850291779456942,"endHours":23.850291779456942,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.850291779456942,"endHours":24.850291779456942,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.850291779456942,"endHours":25.850291779456942,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.850291779456942,"endHours":26.850291779456942,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.850291779456942,"endHours":27.850291779456942,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.850291779456942,"endHours":28.850291779456942,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.850291779456942,"endHours":29.850291779456942,"planetary_lord":"Mercury"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.724437488236394,"eotMinutes":-0.8105287209842176,"ayanamsa":24.393}},"calendars":{"vikram_samvat":2095,"vikram_samvatsara":"Prajāpati","saka_samvat":1960,"saka_samvatsara":"Kālayukta","bengali_samvat":1445,"malayalam_era":1214,"nanakshahi_year":569,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Trayodaśī · Vikram 2095 Prajāpati · Śaka 1960 Kālayukta"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5},{"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 August 28, 2038 CE · Ṛṣikeśa · Vidhyamitra","description":"August 28, 2038 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 05:51, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2038-08-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2038-08-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2038-08-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2038-08-28","x-default":"https://vidhyamitra.com/city/rishikesh/2038-08-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:59:25.863Z","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":"2026-05-15T15:59:25.863Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:59:25.863Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}