{"id":"vidhyamitra:city-day:rishikesh:2106-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2106-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2106-05-01","date_display":"May 1, 2106 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":2106,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490380.770833,"kali_year":5208,"ahargana":1901915.2708,"sun":{"sidereal_longitude":14.8355,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":339.0907,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.2552,"elapsed_within_tithi_degrees":0.2552},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.0907,"elapsed_within_degrees":5.7574},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.9263},"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":2106,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490380.770833,"ahargana":1901915.2708,"kali_year":5208,"ayanamsa_lahiri":25.3383,"grahas":{"sun":{"sidereal_longitude":15.013598000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":339.142398,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":3.3576},"mars":{"sidereal_longitude":120.70689800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":16.332398000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":359.881898,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":46.433798000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":249.680298,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":207.3763,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":27.3763,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2106,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490380.770833,"kali_year":5208,"ahargana":1901915.2708,"sun":{"sidereal_longitude":14.8355,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":339.0907,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.2552,"elapsed_within_tithi_degrees":0.2552},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.0907,"elapsed_within_degrees":5.7574},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.9263},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.358,"elongation":35.745},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.358,"opposition_distance":144.255}},"eclipse_window_40days":[{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":0.56,"elongation":2.334},{"offset_days":17,"type":"lunar","occurs":true,"moon_latitude":0.568,"opposition_distance":2.546}]},"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":13.318991639998249,"dayLengthDisplay":"13 Hours 19 Mins 08 Secs","nightLengthDisplay":"10 Hours 40 Mins 52 Secs","moonriseLocal":"03:44","moonsetLocal":"15:57","rahuKala":{"name":"Rāhu Kāla","start":"08:54","end":"10:34","startHours":8.903778634517657,"endHours":10.568652589517438,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:34","startHours":13.898400499516999,"endHours":15.563274454516783,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:34","end":"07:14","startHours":5.574030724518095,"endHours":7.238904679517876,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:08","startHours":8.681795440517686,"endHours":9.125761828517629,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:29","startHours":6.128988709518022,"endHours":6.484161819917976,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:41","startHours":11.789560156517279,"endHours":12.677492932517161,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:41","startHours":3.7981651725183285,"endHours":4.686097948518212,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:34","startHours":4.46411475451824,"endHours":5.574030724518095,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:20","startHours":14.45335848451693,"endHours":15.341291260516813,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.693022364516345,"endHours":19.093022364516344,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:27","startHours":18.893022364516344,"endHours":19.44798034951627,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.643022364516344,"endHours":20.393022364516344,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:41","startHours":23.789560156517275,"endHours":24.67749293251716,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:34","end":"07:14","startHours":5.574030724518095,"endHours":7.238904679517876,"quality":"inauspicious"},{"name":"Śubha","start":"07:14","end":"08:54","startHours":7.238904679517876,"endHours":8.903778634517657,"quality":"auspicious"},{"name":"Roga","start":"08:54","end":"10:34","startHours":8.903778634517657,"endHours":10.568652589517438,"quality":"inauspicious"},{"name":"Udveg","start":"10:34","end":"12:14","startHours":10.568652589517438,"endHours":12.233526544517218,"quality":"inauspicious"},{"name":"Chala","start":"12:14","end":"13:54","startHours":12.233526544517218,"endHours":13.898400499516999,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:34","startHours":13.898400499516999,"endHours":15.563274454516783,"quality":"auspicious"},{"name":"Amṛta","start":"15:34","end":"17:14","startHours":15.563274454516783,"endHours":17.228148409516564,"quality":"auspicious"},{"name":"Kāla","start":"17:14","end":"18:54","startHours":17.228148409516564,"endHours":18.893022364516344,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:54","end":"20:14","startHours":18.893022364516344,"endHours":20.228148409516564,"quality":"auspicious"},{"name":"Amṛta","start":"20:14","end":"21:34","startHours":20.228148409516564,"endHours":21.563274454516783,"quality":"auspicious"},{"name":"Kāla","start":"21:34","end":"22:54","startHours":21.563274454516783,"endHours":22.898400499517003,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:14","startHours":22.898400499517003,"endHours":24.23352654451722,"quality":"auspicious"},{"name":"Roga","start":"00:14","end":"01:34","startHours":24.23352654451722,"endHours":25.56865258951744,"quality":"inauspicious"},{"name":"Udveg","start":"01:34","end":"02:54","startHours":25.56865258951744,"endHours":26.903778634517657,"quality":"inauspicious"},{"name":"Chala","start":"02:54","end":"04:14","startHours":26.903778634517657,"endHours":28.238904679517876,"quality":"neutral"},{"name":"Labha","start":"04:14","end":"05:34","startHours":28.238904679517876,"endHours":29.574030724518096,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.574030724518095,"endHours":6.574030724518095,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.574030724518095,"endHours":7.574030724518095,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.574030724518095,"endHours":8.574030724518096,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.574030724518096,"endHours":9.574030724518096,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.574030724518096,"endHours":10.574030724518096,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.574030724518096,"endHours":11.574030724518096,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.574030724518096,"endHours":12.574030724518096,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.574030724518096,"endHours":13.574030724518096,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.574030724518096,"endHours":14.574030724518096,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.574030724518096,"endHours":15.574030724518096,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.574030724518096,"endHours":16.574030724518096,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.574030724518096,"endHours":17.574030724518096,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.574030724518096,"endHours":18.574030724518096,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.574030724518096,"endHours":19.574030724518096,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.574030724518096,"endHours":20.574030724518096,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.574030724518096,"endHours":21.574030724518096,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.574030724518096,"endHours":22.574030724518096,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.574030724518096,"endHours":23.574030724518096,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.574030724518096,"endHours":24.574030724518096,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.574030724518096,"endHours":25.574030724518096,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.574030724518096,"endHours":26.574030724518096,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.574030724518096,"endHours":27.574030724518096,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.574030724518096,"endHours":28.574030724518096,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.574030724518096,"endHours":29.574030724518096,"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.923192439683715,"eotMinutes":2.918007328966811,"ayanamsa":25.3383}},"calendars":{"vikram_samvat":2163,"vikram_samvatsara":"Pramāthi","saka_samvat":2028,"saka_samvatsara":"Akṣaya","bengali_samvat":1513,"malayalam_era":1282,"nanakshahi_year":637,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Trayodaśī · Vikram 2163 Pramāthi · Śaka 2028 Akṣaya"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"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":"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 May 1, 2106 CE · Ṛṣikeśa · Vidhyamitra","description":"May 1, 2106 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 05:34, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2106-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2106-05-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2106-05-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2106-05-01","x-default":"https://vidhyamitra.com/city/rishikesh/2106-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T01:41:29.553Z","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":"2026-05-21T01:41:29.553Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T01:41:29.553Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}