{"id":"vidhyamitra:city-day:rishikesh:1959-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1959-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1959-02-01","date_display":"February 1, 1959 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":1959,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436600.770833,"kali_year":5060,"ahargana":1848135.2708,"sun":{"sidereal_longitude":288.2588,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":201.3602,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.1015,"elapsed_within_tithi_degrees":9.1015},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.3602,"elapsed_within_degrees":1.3602},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.619},"karana":{"half_tithi_index":45,"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":1959,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436600.770833,"ahargana":1848135.2708,"kali_year":5060,"ayanamsa_lahiri":23.2814,"grahas":{"sun":{"sidereal_longitude":288.14579000000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":201.31349,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":1.8617},"mars":{"sidereal_longitude":33.455989999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":279.60528999999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":216.17479000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":308.21668999999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":250.09049000000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":176.8995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":356.8995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"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":1959,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436600.770833,"kali_year":5060,"ahargana":1848135.2708,"sun":{"sidereal_longitude":288.2588,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":201.3602,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":273.1015,"elapsed_within_tithi_degrees":9.1015},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.3602,"elapsed_within_degrees":1.3602},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.619},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.862,"elongation":86.899},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.862,"opposition_distance":93.101}},"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":"07:08","sunsetLocal":"17:53","solarNoonLocal":"12:31","dayLengthHours":10.745984113233824,"dayLengthDisplay":"10 Hours 44 Mins 46 Secs","nightLengthDisplay":"13 Hours 15 Mins 14 Secs","moonriseLocal":"01:19","moonsetLocal":"12:07","rahuKala":{"name":"Rāhu Kāla","start":"16:32","end":"17:53","startHours":16.54005984441928,"endHours":17.883307858573506,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"13:51","startHours":12.510315801956594,"endHours":13.853563816110821,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:12","end":"16:32","startHours":15.196811830265048,"endHours":16.54005984441928,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:00","startHours":9.644720038427574,"endHours":10.0029195088687,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:52","startHours":7.58507308339109,"endHours":7.871632659743992,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:52","startHours":12.152116331515467,"endHours":12.86851527239772,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:25","startHours":5.704525863575171,"endHours":6.420924804457426,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:08","startHours":6.241825069236862,"endHours":7.137323745339681,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:01","startHours":14.30131315416223,"endHours":15.017712095044486,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:41","end":"18:05","startHours":17.683307858573507,"endHours":18.083307858573505,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:53","end":"18:20","startHours":17.883307858573506,"endHours":18.331057196624915,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:38","end":"19:23","startHours":17.633307858573506,"endHours":19.383307858573506,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:52","startHours":24.152116331515465,"endHours":24.868515272397723,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:08","end":"08:29","startHours":7.137323745339681,"endHours":8.480571759493909,"quality":"inauspicious"},{"name":"Chala","start":"08:29","end":"09:49","startHours":8.480571759493909,"endHours":9.823819773648136,"quality":"neutral"},{"name":"Labha","start":"09:49","end":"11:10","startHours":9.823819773648136,"endHours":11.167067787802365,"quality":"auspicious"},{"name":"Amṛta","start":"11:10","end":"12:31","startHours":11.167067787802365,"endHours":12.510315801956594,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"13:51","startHours":12.510315801956594,"endHours":13.853563816110821,"quality":"inauspicious"},{"name":"Śubha","start":"13:51","end":"15:12","startHours":13.853563816110821,"endHours":15.196811830265048,"quality":"auspicious"},{"name":"Roga","start":"15:12","end":"16:32","startHours":15.196811830265048,"endHours":16.54005984441928,"quality":"inauspicious"},{"name":"Udveg","start":"16:32","end":"17:53","startHours":16.54005984441928,"endHours":17.883307858573506,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:53","end":"19:32","startHours":17.883307858573506,"endHours":19.54005984441928,"quality":"auspicious"},{"name":"Roga","start":"19:32","end":"21:12","startHours":19.54005984441928,"endHours":21.196811830265048,"quality":"inauspicious"},{"name":"Udveg","start":"21:12","end":"22:51","startHours":21.196811830265048,"endHours":22.85356381611082,"quality":"inauspicious"},{"name":"Chala","start":"22:51","end":"00:31","startHours":22.85356381611082,"endHours":24.510315801956594,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"02:10","startHours":24.510315801956594,"endHours":26.167067787802367,"quality":"auspicious"},{"name":"Amṛta","start":"02:10","end":"03:49","startHours":26.167067787802367,"endHours":27.82381977364814,"quality":"auspicious"},{"name":"Kāla","start":"03:49","end":"05:29","startHours":27.82381977364814,"endHours":29.48057175949391,"quality":"inauspicious"},{"name":"Śubha","start":"05:29","end":"07:08","startHours":29.48057175949391,"endHours":31.137323745339682,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.137323745339681,"endHours":8.137323745339682,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.137323745339682,"endHours":9.137323745339682,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.137323745339682,"endHours":10.137323745339682,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.137323745339682,"endHours":11.137323745339682,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.137323745339682,"endHours":12.137323745339682,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.137323745339682,"endHours":13.137323745339682,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.137323745339682,"endHours":14.137323745339682,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.137323745339682,"endHours":15.137323745339682,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.137323745339682,"endHours":16.137323745339682,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.137323745339682,"endHours":17.137323745339682,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.137323745339682,"endHours":18.137323745339682,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.137323745339682,"endHours":19.137323745339682,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.137323745339682,"endHours":20.137323745339682,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.137323745339682,"endHours":21.137323745339682,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.137323745339682,"endHours":22.137323745339682,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.137323745339682,"endHours":23.137323745339682,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.137323745339682,"endHours":24.137323745339682,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.137323745339682,"endHours":25.137323745339682,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.137323745339682,"endHours":26.137323745339682,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.137323745339682,"endHours":27.137323745339682,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.137323745339682,"endHours":28.137323745339682,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.137323745339682,"endHours":29.137323745339682,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.137323745339682,"endHours":30.137323745339682,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.137323745339682,"endHours":31.137323745339682,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"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":-17.350643588428376,"eotMinutes":-13.689348117395623,"ayanamsa":23.2814}},"calendars":{"vikram_samvat":2016,"vikram_samvatsara":"Paridhāvi","saka_samvat":1881,"saka_samvatsara":"Vikāri","bengali_samvat":1366,"malayalam_era":1135,"nanakshahi_year":490,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 2016 Paridhāvi · Śaka 1881 Vikāri"},"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 1, 1959 CE · Ṛṣikeśa · Vidhyamitra","description":"February 1, 1959 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 07:08, sūryāsta 17:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1959-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1959-02-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/1959-02-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/1959-02-01","x-default":"https://vidhyamitra.com/city/rishikesh/1959-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T13:35:54.512Z","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":"2026-05-20T13:35:54.512Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T13:35:54.512Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}