{"id":"vidhyamitra:city-day:rishikesh:2188-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2188-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2188-05-01","date_display":"May 1, 2188 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":2188,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520331.770833,"kali_year":5290,"ahargana":1931866.2708,"sun":{"sidereal_longitude":14.6247,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":66.5834,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.9588,"elapsed_within_tithi_degrees":3.9588},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.5834,"elapsed_within_degrees":13.2501},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.2081},"karana":{"half_tithi_index":8,"name":"Bava"},"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":2188,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2520331.770833,"ahargana":1931866.2708,"kali_year":5290,"ayanamsa_lahiri":26.4838,"grahas":{"sun":{"sidereal_longitude":14.994649999999979,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":64.15654999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":0.482},"mars":{"sidereal_longitude":20.18425000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":357.09235,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":329.21074999999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":351.29445,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":170.47685,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":60.4282,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":240.4282,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"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":2188,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520331.770833,"kali_year":5290,"ahargana":1931866.2708,"sun":{"sidereal_longitude":14.6247,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":66.5834,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.9588,"elapsed_within_tithi_degrees":3.9588},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.5834,"elapsed_within_degrees":13.2501},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.2081},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.482,"elongation":51.959},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.482,"opposition_distance":128.041}},"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":"18:54","solarNoonLocal":"12:14","dayLengthHours":13.348726580488897,"dayLengthDisplay":"13 Hours 20 Mins 55 Secs","nightLengthDisplay":"10 Hours 39 Mins 05 Secs","moonriseLocal":"08:29","moonsetLocal":"22:32","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:34","startHours":13.902117367078333,"endHours":15.570708189639443,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:34","end":"07:14","startHours":5.559163254272771,"endHours":7.227754076833882,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:54","end":"10:34","startHours":8.896344899394995,"endHours":10.564935721956108,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:07","startHours":8.673866123053514,"endHours":9.118823675736476,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.115360195126475,"endHours":6.471326237272845,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:41","startHours":11.788568991834257,"endHours":12.678484097200183,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:47","end":"04:40","startHours":3.779333043540918,"endHours":4.669248148906844,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:34","startHours":4.446769372565363,"endHours":5.559163254272771,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:21","startHours":14.458314307932035,"endHours":15.348229413297961,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.70788983476167,"endHours":19.107889834761668,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:28","startHours":18.90788983476167,"endHours":19.46408677561537,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.65788983476167,"endHours":20.40788983476167,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:41","startHours":23.788568991834254,"endHours":24.678484097200183,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:34","end":"07:14","startHours":5.559163254272771,"endHours":7.227754076833882,"quality":"auspicious"},{"name":"Roga","start":"07:14","end":"08:54","startHours":7.227754076833882,"endHours":8.896344899394995,"quality":"inauspicious"},{"name":"Udveg","start":"08:54","end":"10:34","startHours":8.896344899394995,"endHours":10.564935721956108,"quality":"inauspicious"},{"name":"Chala","start":"10:34","end":"12:14","startHours":10.564935721956108,"endHours":12.233526544517218,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:54","startHours":12.233526544517218,"endHours":13.902117367078333,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:34","startHours":13.902117367078333,"endHours":15.570708189639443,"quality":"auspicious"},{"name":"Kāla","start":"15:34","end":"17:14","startHours":15.570708189639443,"endHours":17.239299012200554,"quality":"inauspicious"},{"name":"Śubha","start":"17:14","end":"18:54","startHours":17.239299012200554,"endHours":18.90788983476167,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:54","end":"20:14","startHours":18.90788983476167,"endHours":20.239299012200558,"quality":"auspicious"},{"name":"Kāla","start":"20:14","end":"21:34","startHours":20.239299012200558,"endHours":21.570708189639443,"quality":"inauspicious"},{"name":"Śubha","start":"21:34","end":"22:54","startHours":21.570708189639443,"endHours":22.902117367078333,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:14","startHours":22.902117367078333,"endHours":24.23352654451722,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:34","startHours":24.23352654451722,"endHours":25.564935721956108,"quality":"inauspicious"},{"name":"Chala","start":"01:34","end":"02:54","startHours":25.564935721956108,"endHours":26.896344899394997,"quality":"neutral"},{"name":"Labha","start":"02:54","end":"04:14","startHours":26.896344899394997,"endHours":28.227754076833882,"quality":"auspicious"},{"name":"Amṛta","start":"04:14","end":"05:34","startHours":28.227754076833882,"endHours":29.55916325427277,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.559163254272771,"endHours":6.559163254272771,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.559163254272771,"endHours":7.559163254272771,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.559163254272771,"endHours":8.559163254272772,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.559163254272772,"endHours":9.559163254272772,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.559163254272772,"endHours":10.559163254272772,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.559163254272772,"endHours":11.559163254272772,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.559163254272772,"endHours":12.559163254272772,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.559163254272772,"endHours":13.559163254272772,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.559163254272772,"endHours":14.559163254272772,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.559163254272772,"endHours":15.559163254272772,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.559163254272772,"endHours":16.55916325427277,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.55916325427277,"endHours":17.55916325427277,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.55916325427277,"endHours":18.55916325427277,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.55916325427277,"endHours":19.55916325427277,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.55916325427277,"endHours":20.55916325427277,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.55916325427277,"endHours":21.55916325427277,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.55916325427277,"endHours":22.55916325427277,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.55916325427277,"endHours":23.55916325427277,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.55916325427277,"endHours":24.55916325427277,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.55916325427277,"endHours":25.55916325427277,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.55916325427277,"endHours":26.55916325427277,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.55916325427277,"endHours":27.55916325427277,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.55916325427277,"endHours":28.55916325427277,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.55916325427277,"endHours":29.55916325427277,"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"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.273888562322583,"eotMinutes":2.918007328966811,"ayanamsa":26.4838}},"calendars":{"vikram_samvat":2245,"vikram_samvatsara":"Plava","saka_samvat":2110,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1595,"malayalam_era":1364,"nanakshahi_year":719,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pañcamī · Vikram 2245 Plava · Śaka 2110 Sarvadhāri"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"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 May 1, 2188 CE · Ṛṣikeśa · Vidhyamitra","description":"May 1, 2188 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 05:34, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2188-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2188-05-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2188-05-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2188-05-01","x-default":"https://vidhyamitra.com/city/rishikesh/2188-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-28T18:02:05.640Z","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":"2026-05-28T18:02:05.640Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-28T18:02:05.640Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}