{"id":"vidhyamitra:city-day:rishikesh:1968-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1968-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1968-02-04","date_display":"February 4, 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":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439890.770833,"kali_year":5069,"ahargana":1851425.2708,"sun":{"sidereal_longitude":290.9865,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":355.2995,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3129,"elapsed_within_tithi_degrees":4.3129},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.2995,"elapsed_within_degrees":8.6328},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.286},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439890.770833,"ahargana":1851425.2708,"kali_year":5069,"ayanamsa_lahiri":23.4073,"grahas":{"sun":{"sidereal_longitude":290.877888,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":354.02308800000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-0.5697},"mars":{"sidereal_longitude":326.937188,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":308.73268800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":129.993088,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":257.18818799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":345.573388,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":2.5795,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":182.5795,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1968,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439890.770833,"kali_year":5069,"ahargana":1851425.2708,"sun":{"sidereal_longitude":290.9865,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":355.2995,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3129,"elapsed_within_tithi_degrees":4.3129},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.2995,"elapsed_within_degrees":8.6328},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.286},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.57,"elongation":64.313},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.57,"opposition_distance":115.687}},"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":"07:07","sunsetLocal":"17:55","solarNoonLocal":"12:31","dayLengthHours":10.814508379963819,"dayLengthDisplay":"10 Hours 48 Mins 52 Secs","nightLengthDisplay":"13 Hours 11 Mins 08 Secs","moonriseLocal":"10:25","moonsetLocal":"23:02","rahuKala":{"name":"Rāhu Kāla","start":"16:34","end":"17:55","startHours":16.57246271528632,"endHours":17.9242762627818,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"13:52","startHours":12.51702207279989,"endHours":13.868835620295368,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:13","end":"16:34","startHours":15.220649167790844,"endHours":16.57246271528632,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:00","startHours":9.633153171476206,"endHours":9.993636784141666,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:51","startHours":7.560372398649806,"endHours":7.848759288782174,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:53","startHours":12.15653846013443,"endHours":12.87750568546535,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:23","startHours":5.667833432156137,"endHours":6.388800657487059,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:07","startHours":6.208558851154328,"endHours":7.10976788281798,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:02","startHours":14.319440136127193,"endHours":15.040407361458115,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.7242762627818,"endHours":18.124276262781798,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:22","startHours":17.9242762627818,"endHours":18.374880778613626,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.6742762627818,"endHours":19.4242762627818,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:53","startHours":24.156538460134428,"endHours":24.87750568546535,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:07","end":"08:28","startHours":7.10976788281798,"endHours":8.461581430313458,"quality":"inauspicious"},{"name":"Chala","start":"08:28","end":"09:49","startHours":8.461581430313458,"endHours":9.813394977808935,"quality":"neutral"},{"name":"Labha","start":"09:49","end":"11:10","startHours":9.813394977808935,"endHours":11.165208525304411,"quality":"auspicious"},{"name":"Amṛta","start":"11:10","end":"12:31","startHours":11.165208525304411,"endHours":12.51702207279989,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"13:52","startHours":12.51702207279989,"endHours":13.868835620295368,"quality":"inauspicious"},{"name":"Śubha","start":"13:52","end":"15:13","startHours":13.868835620295368,"endHours":15.220649167790844,"quality":"auspicious"},{"name":"Roga","start":"15:13","end":"16:34","startHours":15.220649167790844,"endHours":16.57246271528632,"quality":"inauspicious"},{"name":"Udveg","start":"16:34","end":"17:55","startHours":16.57246271528632,"endHours":17.9242762627818,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:55","end":"19:34","startHours":17.9242762627818,"endHours":19.57246271528632,"quality":"auspicious"},{"name":"Roga","start":"19:34","end":"21:13","startHours":19.57246271528632,"endHours":21.220649167790846,"quality":"inauspicious"},{"name":"Udveg","start":"21:13","end":"22:52","startHours":21.220649167790846,"endHours":22.868835620295368,"quality":"inauspicious"},{"name":"Chala","start":"22:52","end":"00:31","startHours":22.868835620295368,"endHours":24.51702207279989,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"02:10","startHours":24.51702207279989,"endHours":26.16520852530441,"quality":"auspicious"},{"name":"Amṛta","start":"02:10","end":"03:49","startHours":26.16520852530441,"endHours":27.813394977808933,"quality":"auspicious"},{"name":"Kāla","start":"03:49","end":"05:28","startHours":27.813394977808933,"endHours":29.46158143031346,"quality":"inauspicious"},{"name":"Śubha","start":"05:28","end":"07:07","startHours":29.46158143031346,"endHours":31.10976788281798,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.10976788281798,"endHours":8.10976788281798,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.10976788281798,"endHours":9.10976788281798,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.10976788281798,"endHours":10.10976788281798,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.10976788281798,"endHours":11.10976788281798,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.10976788281798,"endHours":12.10976788281798,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.10976788281798,"endHours":13.10976788281798,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.10976788281798,"endHours":14.10976788281798,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.10976788281798,"endHours":15.10976788281798,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.10976788281798,"endHours":16.10976788281798,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.10976788281798,"endHours":17.10976788281798,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.10976788281798,"endHours":18.10976788281798,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.10976788281798,"endHours":19.10976788281798,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.10976788281798,"endHours":20.10976788281798,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.10976788281798,"endHours":21.10976788281798,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.10976788281798,"endHours":22.10976788281798,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.10976788281798,"endHours":23.10976788281798,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.10976788281798,"endHours":24.10976788281798,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.10976788281798,"endHours":25.10976788281798,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.10976788281798,"endHours":26.10976788281798,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.10976788281798,"endHours":27.10976788281798,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.10976788281798,"endHours":28.10976788281798,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.10976788281798,"endHours":29.10976788281798,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.10976788281798,"endHours":30.10976788281798,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.10976788281798,"endHours":31.10976788281798,"planetary_lord":"Jupiter"}],"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":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-16.54247306466174,"eotMinutes":-14.091724367993354,"ayanamsa":23.4073}},"calendars":{"vikram_samvat":2025,"vikram_samvatsara":"Durmati","saka_samvat":1890,"saka_samvatsara":"Kīlaka","bengali_samvat":1375,"malayalam_era":1144,"nanakshahi_year":499,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 2025 Durmati · Śaka 1890 Kīlaka"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 February 4, 1968 CE · Ṛṣikeśa · Vidhyamitra","description":"February 4, 1968 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 07:07, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1968-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1968-02-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/1968-02-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/1968-02-04","x-default":"https://vidhyamitra.com/city/rishikesh/1968-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T23:24:31.956Z","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":"2026-05-19T23:24:31.956Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T23:24:31.956Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}