{"id":"vidhyamitra:city-day:rishikesh:2121-05-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2121-05-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-05-27","date_display":"May 27, 2121 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":2121,"month":5,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495885.770833,"kali_year":5223,"ahargana":1907420.2708,"sun":{"sidereal_longitude":39.9116,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":158.3235,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.4119,"elapsed_within_tithi_degrees":10.4119},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.3235,"elapsed_within_degrees":11.6568},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.235},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2121,"month":5,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495885.770833,"ahargana":1907420.2708,"kali_year":5223,"ayanamsa_lahiri":25.5489,"grahas":{"sun":{"sidereal_longitude":40.278966999999966,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":159.02686700000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":-3.9953},"mars":{"sidereal_longitude":122.45876700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":22.582667000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":89.68516699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":353.934267,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":66.80856699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":275.6949,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":95.6949,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2121,"month":5,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495885.770833,"kali_year":5223,"ahargana":1907420.2708,"sun":{"sidereal_longitude":39.9116,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":158.3235,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.4119,"elapsed_within_tithi_degrees":10.4119},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.3235,"elapsed_within_degrees":11.6568},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.235},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.995,"elongation":118.412},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.995,"opposition_distance":61.588}},"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":"05:18","sunsetLocal":"19:10","solarNoonLocal":"12:14","dayLengthHours":13.880184793368038,"dayLengthDisplay":"13 Hours 52 Mins 49 Secs","nightLengthDisplay":"10 Hours 07 Mins 11 Secs","moonriseLocal":"14:10","moonsetLocal":"02:07","rahuKala":{"name":"Rāhu Kāla","start":"15:42","end":"17:26","startHours":15.70207002614294,"endHours":17.437093125313943,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:46","end":"10:30","startHours":8.76197762945892,"endHours":10.497000728629924,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:14","end":"13:58","startHours":12.23202382780093,"endHours":13.967046926971936,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.53064121623612,"endHours":8.993314042681721,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:14","startHours":5.870272464173913,"endHours":6.240410725330394,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:42","startHours":11.769351001355329,"endHours":12.694696654246531,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:22","startHours":3.441240125334506,"endHours":4.3665857782257085,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:18","startHours":4.135249365002908,"endHours":5.291931431116911,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:28","startHours":14.545387960028936,"endHours":15.470733612920139,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:58","end":"19:22","startHours":18.97211622448495,"endHours":19.372116224484948,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:10","end":"19:45","startHours":19.17211622448495,"endHours":19.75045725754195,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:55","end":"20:40","startHours":18.92211622448495,"endHours":20.67211622448495,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:42","startHours":23.76935100135533,"endHours":24.69469665424653,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:18","end":"07:02","startHours":5.291931431116911,"endHours":7.026954530287916,"quality":"inauspicious"},{"name":"Udveg","start":"07:02","end":"08:46","startHours":7.026954530287916,"endHours":8.76197762945892,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:30","startHours":8.76197762945892,"endHours":10.497000728629924,"quality":"neutral"},{"name":"Labha","start":"10:30","end":"12:14","startHours":10.497000728629924,"endHours":12.23202382780093,"quality":"auspicious"},{"name":"Amṛta","start":"12:14","end":"13:58","startHours":12.23202382780093,"endHours":13.967046926971936,"quality":"auspicious"},{"name":"Kāla","start":"13:58","end":"15:42","startHours":13.967046926971936,"endHours":15.70207002614294,"quality":"inauspicious"},{"name":"Śubha","start":"15:42","end":"17:26","startHours":15.70207002614294,"endHours":17.437093125313943,"quality":"auspicious"},{"name":"Roga","start":"17:26","end":"19:10","startHours":17.437093125313943,"endHours":19.17211622448495,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:10","end":"20:26","startHours":19.17211622448495,"endHours":20.437093125313943,"quality":"inauspicious"},{"name":"Śubha","start":"20:26","end":"21:42","startHours":20.437093125313943,"endHours":21.70207002614294,"quality":"auspicious"},{"name":"Roga","start":"21:42","end":"22:58","startHours":21.70207002614294,"endHours":22.967046926971936,"quality":"inauspicious"},{"name":"Udveg","start":"22:58","end":"00:14","startHours":22.967046926971936,"endHours":24.23202382780093,"quality":"inauspicious"},{"name":"Chala","start":"00:14","end":"01:30","startHours":24.23202382780093,"endHours":25.497000728629924,"quality":"neutral"},{"name":"Labha","start":"01:30","end":"02:46","startHours":25.497000728629924,"endHours":26.76197762945892,"quality":"auspicious"},{"name":"Amṛta","start":"02:46","end":"04:02","startHours":26.76197762945892,"endHours":28.026954530287917,"quality":"auspicious"},{"name":"Kāla","start":"04:02","end":"05:18","startHours":28.026954530287917,"endHours":29.29193143111691,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:18","end":"06:18","startHours":5.291931431116911,"endHours":6.291931431116911,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:18","end":"07:18","startHours":6.291931431116911,"endHours":7.291931431116911,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:18","end":"08:18","startHours":7.291931431116911,"endHours":8.291931431116911,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:18","end":"09:18","startHours":8.291931431116911,"endHours":9.291931431116911,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:18","end":"10:18","startHours":9.291931431116911,"endHours":10.291931431116911,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:18","end":"11:18","startHours":10.291931431116911,"endHours":11.291931431116911,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:18","end":"12:18","startHours":11.291931431116911,"endHours":12.291931431116911,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:18","end":"13:18","startHours":12.291931431116911,"endHours":13.291931431116911,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:18","end":"14:18","startHours":13.291931431116911,"endHours":14.291931431116911,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:18","end":"15:18","startHours":14.291931431116911,"endHours":15.291931431116911,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:18","end":"16:18","startHours":15.291931431116911,"endHours":16.29193143111691,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:18","end":"17:18","startHours":16.29193143111691,"endHours":17.29193143111691,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:18","end":"18:18","startHours":17.29193143111691,"endHours":18.29193143111691,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:18","end":"19:18","startHours":18.29193143111691,"endHours":19.29193143111691,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:18","end":"20:18","startHours":19.29193143111691,"endHours":20.29193143111691,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:18","end":"21:18","startHours":20.29193143111691,"endHours":21.29193143111691,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:18","end":"22:18","startHours":21.29193143111691,"endHours":22.29193143111691,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:18","end":"23:18","startHours":22.29193143111691,"endHours":23.29193143111691,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:18","end":"00:18","startHours":23.29193143111691,"endHours":24.29193143111691,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:18","end":"01:18","startHours":24.29193143111691,"endHours":25.29193143111691,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:18","end":"02:18","startHours":25.29193143111691,"endHours":26.29193143111691,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:18","end":"03:18","startHours":26.29193143111691,"endHours":27.29193143111691,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:18","end":"04:18","startHours":27.29193143111691,"endHours":28.29193143111691,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:18","end":"05:18","startHours":28.29193143111691,"endHours":29.29193143111691,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.27588322671879,"eotMinutes":3.008170331944147,"ayanamsa":25.5489}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Daśamī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[{"id":"ganga-dussehra","name":"Gaṅgā Daśaharā","name_sanskrit":"गङ्गा दशहरा","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Devī Gaṅgā's descent to earth (Bhagīratha's success). Dasha-pāpa-haraṇī.","vrata":true,"detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Jyeṣṭha"},"precedence":2,"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 42-44"]},{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 27, 2121 CE · Ṛṣikeśa · Vidhyamitra","description":"May 27, 2121 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 05:18, sūryāsta 19:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2121-05-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2121-05-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2121-05-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2121-05-27","x-default":"https://vidhyamitra.com/city/rishikesh/2121-05-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T06:29:27.761Z","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":"2026-05-22T06:29:27.761Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T06:29:27.761Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}