{"id":"vidhyamitra:city-day:rishikesh:2066-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2066-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2066-04-01","date_display":"April 1, 2066 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":2066,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2475741.770833,"kali_year":5167,"ahargana":1887276.2708,"sun":{"sidereal_longitude":346.8725,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":58.2848,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.4124,"elapsed_within_tithi_degrees":11.4124},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":58.2848,"elapsed_within_degrees":4.9515},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.1573},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":2066,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2475741.770833,"ahargana":1887276.2708,"kali_year":5167,"ayanamsa_lahiri":24.7784,"grahas":{"sun":{"sidereal_longitude":346.858416,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":56.024216000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":1.8814},"mars":{"sidereal_longitude":32.85281600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":319.144816,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":225.996216,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":9.274716000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":115.52241600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":263.021,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":83.021,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2066,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2475741.770833,"kali_year":5167,"ahargana":1887276.2708,"sun":{"sidereal_longitude":346.8725,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":58.2848,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.4124,"elapsed_within_tithi_degrees":11.4124},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":58.2848,"elapsed_within_degrees":4.9515},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.1573},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.881,"elongation":71.412},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.881,"opposition_distance":108.588}},"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":"06:07","sunsetLocal":"18:36","solarNoonLocal":"12:21","dayLengthHours":12.485332253944627,"dayLengthDisplay":"12 Hours 29 Mins 07 Secs","nightLengthDisplay":"11 Hours 30 Mins 53 Secs","moonriseLocal":"09:58","moonsetLocal":"23:58","rahuKala":{"name":"Rāhu Kāla","start":"13:55","end":"15:29","startHours":13.91523146676227,"endHours":15.47589799850535,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:07","end":"07:40","startHours":6.111898808046878,"endHours":7.672565339789957,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:14","end":"10:48","startHours":9.233231871533036,"endHours":10.793898403276113,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:26","startHours":9.025143000633957,"endHours":9.441320742432112,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.632120985294571,"endHours":6.965063178733094,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:46","startHours":11.938387193221036,"endHours":12.770742676817346,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:17","startHours":4.447187840854261,"endHours":5.27954332445057,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:07","startHours":5.0714544535514925,"endHours":6.111898808046878,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:16","startHours":14.43545364400996,"endHours":15.267809127606268,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.397231061991505,"endHours":18.797231061991504,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:07","startHours":18.597231061991504,"endHours":19.117453239239197,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.347231061991504,"endHours":20.097231061991504,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:46","startHours":23.938387193221036,"endHours":24.770742676817346,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:07","end":"07:40","startHours":6.111898808046878,"endHours":7.672565339789957,"quality":"auspicious"},{"name":"Roga","start":"07:40","end":"09:14","startHours":7.672565339789957,"endHours":9.233231871533036,"quality":"inauspicious"},{"name":"Udveg","start":"09:14","end":"10:48","startHours":9.233231871533036,"endHours":10.793898403276113,"quality":"inauspicious"},{"name":"Chala","start":"10:48","end":"12:21","startHours":10.793898403276113,"endHours":12.35456493501919,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:55","startHours":12.35456493501919,"endHours":13.91523146676227,"quality":"auspicious"},{"name":"Amṛta","start":"13:55","end":"15:29","startHours":13.91523146676227,"endHours":15.47589799850535,"quality":"auspicious"},{"name":"Kāla","start":"15:29","end":"17:02","startHours":15.47589799850535,"endHours":17.036564530248427,"quality":"inauspicious"},{"name":"Śubha","start":"17:02","end":"18:36","startHours":17.036564530248427,"endHours":18.597231061991504,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:36","end":"20:02","startHours":18.597231061991504,"endHours":20.036564530248427,"quality":"auspicious"},{"name":"Kāla","start":"20:02","end":"21:29","startHours":20.036564530248427,"endHours":21.475897998505346,"quality":"inauspicious"},{"name":"Śubha","start":"21:29","end":"22:55","startHours":21.475897998505346,"endHours":22.91523146676227,"quality":"auspicious"},{"name":"Roga","start":"22:55","end":"00:21","startHours":22.91523146676227,"endHours":24.35456493501919,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"01:48","startHours":24.35456493501919,"endHours":25.793898403276113,"quality":"inauspicious"},{"name":"Chala","start":"01:48","end":"03:14","startHours":25.793898403276113,"endHours":27.233231871533036,"quality":"neutral"},{"name":"Labha","start":"03:14","end":"04:40","startHours":27.233231871533036,"endHours":28.672565339789955,"quality":"auspicious"},{"name":"Amṛta","start":"04:40","end":"06:07","startHours":28.672565339789955,"endHours":30.111898808046877,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.111898808046878,"endHours":7.111898808046878,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.111898808046878,"endHours":8.111898808046877,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.111898808046877,"endHours":9.111898808046877,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.111898808046877,"endHours":10.111898808046877,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.111898808046877,"endHours":11.111898808046877,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.111898808046877,"endHours":12.111898808046877,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.111898808046877,"endHours":13.111898808046877,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.111898808046877,"endHours":14.111898808046877,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.111898808046877,"endHours":15.111898808046877,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.111898808046877,"endHours":16.111898808046877,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.111898808046877,"endHours":17.111898808046877,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.111898808046877,"endHours":18.111898808046877,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.111898808046877,"endHours":19.111898808046877,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.111898808046877,"endHours":20.111898808046877,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.111898808046877,"endHours":21.111898808046877,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.111898808046877,"endHours":22.111898808046877,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.111898808046877,"endHours":23.111898808046877,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.111898808046877,"endHours":24.111898808046877,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.111898808046877,"endHours":25.111898808046877,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.111898808046877,"endHours":26.111898808046877,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.111898808046877,"endHours":27.111898808046877,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.111898808046877,"endHours":28.111898808046877,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.111898808046877,"endHours":29.111898808046877,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.111898808046877,"endHours":30.111898808046877,"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.601530307811172,"eotMinutes":-4.344296101151456,"ayanamsa":24.7784}},"calendars":{"vikram_samvat":2123,"vikram_samvatsara":"Vikāri","saka_samvat":1988,"saka_samvatsara":"Vyaya","bengali_samvat":1473,"malayalam_era":1242,"nanakshahi_year":597,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Ṣaṣṭhī · Vikram 2123 Vikāri · Śaka 1988 Vyaya"},"festivals":[{"id":"yamuna-jayanti","name":"Yamunā Jayantī","name_sanskrit":"यमुना जयन्ती","tradition":"Vaishnava","associated_deity":"Yamunā Devī (Krishna's playmate)","significance":"Manifestation of Yamunā Devī; Vraja-bhakti-pravāhinī.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":4},{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"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 April 1, 2066 CE · Ṛṣikeśa · Vidhyamitra","description":"April 1, 2066 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 06:07, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2066-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2066-04-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2066-04-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2066-04-01","x-default":"https://vidhyamitra.com/city/rishikesh/2066-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T11:51:01.899Z","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":"2026-05-17T11:51:01.899Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T11:51:01.899Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}