{"id":"vidhyamitra:city-day:rishikesh:1968-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1968-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1968-04-01","date_display":"April 1, 1968 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":1968,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439947.770833,"kali_year":5069,"ahargana":1851482.2708,"sun":{"sidereal_longitude":348.2105,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":25.403,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.1925,"elapsed_within_tithi_degrees":1.1925},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.403,"elapsed_within_degrees":12.0697},"yoga":{"number":2,"name":"Prīti","sum_longitude":13.6135},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1968,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439947.770833,"ahargana":1851482.2708,"kali_year":5069,"ayanamsa_lahiri":23.4094,"grahas":{"sun":{"sidereal_longitude":347.97131,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":21.880510000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":1.96},"mars":{"sidereal_longitude":10.005209999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":327.09340999999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":123.54030999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":327.3917100000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":352.01821,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":359.5593,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":179.5593,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":1968,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439947.770833,"kali_year":5069,"ahargana":1851482.2708,"sun":{"sidereal_longitude":348.2105,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":25.403,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.1925,"elapsed_within_tithi_degrees":1.1925},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.403,"elapsed_within_degrees":12.0697},"yoga":{"number":2,"name":"Prīti","sum_longitude":13.6135},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.96,"elongation":37.192},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.96,"opposition_distance":142.808}},"eclipse_window_40days":[{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-0.926,"elongation":2.583}]},"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":12.477514820887798,"dayLengthDisplay":"12 Hours 28 Mins 39 Secs","nightLengthDisplay":"11 Hours 31 Mins 21 Secs","moonriseLocal":"07:55","moonsetLocal":"21:19","rahuKala":{"name":"Rāhu Kāla","start":"07:41","end":"09:14","startHours":7.675496877186267,"endHours":9.235186229797241,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:48","end":"12:21","startHours":10.794875582408217,"endHours":12.35456493501919,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:28","startHours":13.914254287630165,"endHours":15.47394364024114,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.027227649449111,"endHours":9.443144810145371,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.635703975445617,"endHours":6.968437704002625,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:46","startHours":11.93864777432293,"endHours":12.770482095715451,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:17","startHours":4.452138881790252,"endHours":5.2839732031827715,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:07","startHours":5.076014622834641,"endHours":6.115807524575292,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:16","startHours":14.434150738500492,"endHours":15.265985059893012,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.39332234546309,"endHours":18.79332234546309,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:07","startHours":18.59332234546309,"endHours":19.113218796333413,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.34332234546309,"endHours":20.09332234546309,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:46","startHours":23.93864777432293,"endHours":24.77048209571545,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:07","end":"07:41","startHours":6.115807524575292,"endHours":7.675496877186267,"quality":"auspicious"},{"name":"Kāla","start":"07:41","end":"09:14","startHours":7.675496877186267,"endHours":9.235186229797241,"quality":"inauspicious"},{"name":"Śubha","start":"09:14","end":"10:48","startHours":9.235186229797241,"endHours":10.794875582408217,"quality":"auspicious"},{"name":"Roga","start":"10:48","end":"12:21","startHours":10.794875582408217,"endHours":12.35456493501919,"quality":"inauspicious"},{"name":"Udveg","start":"12:21","end":"13:55","startHours":12.35456493501919,"endHours":13.914254287630165,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:28","startHours":13.914254287630165,"endHours":15.47394364024114,"quality":"neutral"},{"name":"Labha","start":"15:28","end":"17:02","startHours":15.47394364024114,"endHours":17.033632992852116,"quality":"auspicious"},{"name":"Amṛta","start":"17:02","end":"18:36","startHours":17.033632992852116,"endHours":18.59332234546309,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:36","end":"20:02","startHours":18.59332234546309,"endHours":20.033632992852116,"quality":"neutral"},{"name":"Labha","start":"20:02","end":"21:28","startHours":20.033632992852116,"endHours":21.47394364024114,"quality":"auspicious"},{"name":"Amṛta","start":"21:28","end":"22:55","startHours":21.47394364024114,"endHours":22.914254287630165,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:21","startHours":22.914254287630165,"endHours":24.35456493501919,"quality":"inauspicious"},{"name":"Śubha","start":"00:21","end":"01:48","startHours":24.35456493501919,"endHours":25.794875582408217,"quality":"auspicious"},{"name":"Roga","start":"01:48","end":"03:14","startHours":25.794875582408217,"endHours":27.235186229797243,"quality":"inauspicious"},{"name":"Udveg","start":"03:14","end":"04:41","startHours":27.235186229797243,"endHours":28.675496877186266,"quality":"inauspicious"},{"name":"Chala","start":"04:41","end":"06:07","startHours":28.675496877186266,"endHours":30.115807524575292,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.115807524575292,"endHours":7.115807524575292,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.115807524575292,"endHours":8.115807524575292,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.115807524575292,"endHours":9.115807524575292,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.115807524575292,"endHours":10.115807524575292,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.115807524575292,"endHours":11.115807524575292,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.115807524575292,"endHours":12.115807524575292,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.115807524575292,"endHours":13.115807524575292,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.115807524575292,"endHours":14.115807524575292,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.115807524575292,"endHours":15.115807524575292,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.115807524575292,"endHours":16.115807524575292,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.115807524575292,"endHours":17.115807524575292,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.115807524575292,"endHours":18.115807524575292,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.115807524575292,"endHours":19.115807524575292,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.115807524575292,"endHours":20.115807524575292,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.115807524575292,"endHours":21.115807524575292,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.115807524575292,"endHours":22.115807524575292,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.115807524575292,"endHours":23.115807524575292,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.115807524575292,"endHours":24.115807524575292,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.115807524575292,"endHours":25.115807524575292,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.115807524575292,"endHours":26.115807524575292,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.115807524575292,"endHours":27.115807524575292,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.115807524575292,"endHours":28.115807524575292,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.115807524575292,"endHours":29.115807524575292,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.115807524575292,"endHours":30.115807524575292,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"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":4.501400956436484,"eotMinutes":-4.344296101151456,"ayanamsa":23.4094}},"calendars":{"vikram_samvat":2025,"vikram_samvatsara":"Durmati","saka_samvat":1890,"saka_samvatsara":"Kīlaka","bengali_samvat":1375,"malayalam_era":1144,"nanakshahi_year":499,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Caturthī · Vikram 2025 Durmati · Śaka 1890 Kīlaka"},"festivals":[{"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},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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, 1968 CE · Ṛṣikeśa · Vidhyamitra","description":"April 1, 1968 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 06:07, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1968-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1968-04-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/1968-04-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/1968-04-01","x-default":"https://vidhyamitra.com/city/rishikesh/1968-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T16:08:40.236Z","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":"2026-05-19T16:08:40.236Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T16:08:40.236Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}