{"id":"vidhyamitra:city-day:rishikesh:2100-05-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2100-05-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2100-05-07","date_display":"May 7, 2100 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":2100,"month":5,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488195.770833,"kali_year":5202,"ahargana":1899730.2708,"sun":{"sidereal_longitude":21.1591,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":354.9902,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.8312,"elapsed_within_tithi_degrees":9.8312},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.9902,"elapsed_within_degrees":8.3236},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.1493},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2100,"month":5,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488195.770833,"ahargana":1899730.2708,"kali_year":5202,"ayanamsa_lahiri":25.2548,"grahas":{"sun":{"sidereal_longitude":21.357380999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":355.915681,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":2.3723},"mars":{"sidereal_longitude":72.604781,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":38.517180999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":168.52318100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":28.688481000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":175.01188100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":323.1481,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":143.1481,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2100,"month":5,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488195.770833,"kali_year":5202,"ahargana":1899730.2708,"sun":{"sidereal_longitude":21.1591,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":354.9902,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.8312,"elapsed_within_tithi_degrees":9.8312},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.9902,"elapsed_within_degrees":8.3236},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.1493},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.372,"elongation":26.169},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.372,"opposition_distance":153.831}},"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":"05:29","sunsetLocal":"18:58","solarNoonLocal":"12:13","dayLengthHours":13.47967409039964,"dayLengthDisplay":"13 Hours 28 Mins 47 Secs","nightLengthDisplay":"10 Hours 31 Mins 13 Secs","moonriseLocal":"04:10","moonsetLocal":"16:54","rahuKala":{"name":"Rāhu Kāla","start":"10:32","end":"12:13","startHours":10.538673061916615,"endHours":12.22363232321657,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:36","end":"17:17","startHours":15.59355084581648,"endHours":17.278510107116436,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:10","end":"08:51","startHours":7.168754539316705,"endHours":8.85371380061666,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:05","startHours":8.629052565776666,"endHours":9.078375035456654,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:24","startHours":6.045448365116735,"endHours":6.404906340860725,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.774309853536582,"endHours":12.672954792896558,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:41","end":"04:35","startHours":3.6865053992967978,"endHours":4.585150338656774,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:22","end":"05:29","startHours":4.36048910381678,"endHours":5.48379527801675,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:22","startHours":14.47024467161651,"endHours":15.368889610976485,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.76346936841639,"endHours":19.16346936841639,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:32","startHours":18.96346936841639,"endHours":19.525122455516374,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.71346936841639,"endHours":20.46346936841639,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.774309853536582,"endHours":24.672954792896558,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:29","end":"07:10","startHours":5.48379527801675,"endHours":7.168754539316705,"quality":"neutral"},{"name":"Labha","start":"07:10","end":"08:51","startHours":7.168754539316705,"endHours":8.85371380061666,"quality":"auspicious"},{"name":"Amṛta","start":"08:51","end":"10:32","startHours":8.85371380061666,"endHours":10.538673061916615,"quality":"auspicious"},{"name":"Kāla","start":"10:32","end":"12:13","startHours":10.538673061916615,"endHours":12.22363232321657,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:55","startHours":12.22363232321657,"endHours":13.908591584516525,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:36","startHours":13.908591584516525,"endHours":15.59355084581648,"quality":"inauspicious"},{"name":"Udveg","start":"15:36","end":"17:17","startHours":15.59355084581648,"endHours":17.278510107116436,"quality":"inauspicious"},{"name":"Chala","start":"17:17","end":"18:58","startHours":17.278510107116436,"endHours":18.96346936841639,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:58","end":"20:17","startHours":18.96346936841639,"endHours":20.278510107116436,"quality":"inauspicious"},{"name":"Udveg","start":"20:17","end":"21:36","startHours":20.278510107116436,"endHours":21.59355084581648,"quality":"inauspicious"},{"name":"Chala","start":"21:36","end":"22:55","startHours":21.59355084581648,"endHours":22.908591584516525,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:13","startHours":22.908591584516525,"endHours":24.22363232321657,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:32","startHours":24.22363232321657,"endHours":25.538673061916615,"quality":"auspicious"},{"name":"Kāla","start":"01:32","end":"02:51","startHours":25.538673061916615,"endHours":26.85371380061666,"quality":"inauspicious"},{"name":"Śubha","start":"02:51","end":"04:10","startHours":26.85371380061666,"endHours":28.168754539316705,"quality":"auspicious"},{"name":"Roga","start":"04:10","end":"05:29","startHours":28.168754539316705,"endHours":29.48379527801675,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:29","end":"06:29","startHours":5.48379527801675,"endHours":6.48379527801675,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:29","end":"07:29","startHours":6.48379527801675,"endHours":7.48379527801675,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:29","end":"08:29","startHours":7.48379527801675,"endHours":8.48379527801675,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:29","end":"09:29","startHours":8.48379527801675,"endHours":9.48379527801675,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:29","end":"10:29","startHours":9.48379527801675,"endHours":10.48379527801675,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:29","end":"11:29","startHours":10.48379527801675,"endHours":11.48379527801675,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:29","end":"12:29","startHours":11.48379527801675,"endHours":12.48379527801675,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:29","end":"13:29","startHours":12.48379527801675,"endHours":13.48379527801675,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:29","end":"14:29","startHours":13.48379527801675,"endHours":14.48379527801675,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:29","end":"15:29","startHours":14.48379527801675,"endHours":15.48379527801675,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:29","end":"16:29","startHours":15.48379527801675,"endHours":16.48379527801675,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:29","end":"17:29","startHours":16.48379527801675,"endHours":17.48379527801675,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:29","end":"18:29","startHours":17.48379527801675,"endHours":18.48379527801675,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:29","end":"19:29","startHours":18.48379527801675,"endHours":19.48379527801675,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:29","end":"20:29","startHours":19.48379527801675,"endHours":20.48379527801675,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:29","end":"21:29","startHours":20.48379527801675,"endHours":21.48379527801675,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:29","end":"22:29","startHours":21.48379527801675,"endHours":22.48379527801675,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:29","end":"23:29","startHours":22.48379527801675,"endHours":23.48379527801675,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:29","end":"00:29","startHours":23.48379527801675,"endHours":24.48379527801675,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:29","end":"01:29","startHours":24.48379527801675,"endHours":25.48379527801675,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:29","end":"02:29","startHours":25.48379527801675,"endHours":26.48379527801675,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:29","end":"03:29","startHours":26.48379527801675,"endHours":27.48379527801675,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:29","end":"04:29","startHours":27.48379527801675,"endHours":28.48379527801675,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:29","end":"05:29","startHours":28.48379527801675,"endHours":29.48379527801675,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"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":16.800516324215142,"eotMinutes":3.5116606070058483,"ayanamsa":25.2548}},"calendars":{"vikram_samvat":2157,"vikram_samvatsara":"Śrīmukha","saka_samvat":2022,"saka_samvatsara":"Raudra","bengali_samvat":1507,"malayalam_era":1276,"nanakshahi_year":631,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Trayodaśī · Vikram 2157 Śrīmukha · Śaka 2022 Raudra"},"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":"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 7, 2100 CE · Ṛṣikeśa · Vidhyamitra","description":"May 7, 2100 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 05:29, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2100-05-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2100-05-07","sa":"https://sa.vidhyamitra.com/city/rishikesh/2100-05-07","hi":"https://hi.vidhyamitra.com/city/rishikesh/2100-05-07","x-default":"https://vidhyamitra.com/city/rishikesh/2100-05-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T02:50:53.807Z","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":"2026-05-21T02:50:53.807Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T02:50:53.807Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}