{"id":"vidhyamitra:city-day:rishikesh:1959-12-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1959-12-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1959-12-04","date_display":"December 4, 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":12,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436906.770833,"kali_year":5061,"ahargana":1848441.2708,"sun":{"sidereal_longitude":227.4547,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":276.1933,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.7386,"elapsed_within_tithi_degrees":0.7386},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.1933,"elapsed_within_degrees":9.5267},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.648},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":12,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436906.770833,"ahargana":1848441.2708,"kali_year":5061,"ayanamsa_lahiri":23.2931,"grahas":{"sun":{"sidereal_longitude":227.83799799999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":279.377298,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":4.0606},"mars":{"sidereal_longitude":217.48589800000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":210.88369799999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":229.92109800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":183.12789799999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":253.44909800000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":160.6861,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.6861,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1959,"month":12,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436906.770833,"kali_year":5061,"ahargana":1848441.2708,"sun":{"sidereal_longitude":227.4547,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":276.1933,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.7386,"elapsed_within_tithi_degrees":0.7386},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.1933,"elapsed_within_degrees":9.5267},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.648},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.061,"elongation":48.739},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.061,"opposition_distance":131.261}},"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":"06:58","sunsetLocal":"17:18","solarNoonLocal":"12:08","dayLengthHours":10.327209218339917,"dayLengthDisplay":"10 Hours 19 Mins 38 Secs","nightLengthDisplay":"13 Hours 40 Mins 22 Secs","moonriseLocal":"10:19","moonsetLocal":"20:50","rahuKala":{"name":"Rāhu Kāla","start":"10:51","end":"12:08","startHours":10.841911772139127,"endHours":12.132812924431615,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:43","end":"16:00","startHours":14.714615229016594,"endHours":16.005516381309086,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:16","end":"09:33","startHours":8.260109467554148,"endHours":9.551010619846636,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:43","startHours":9.378890466207638,"endHours":9.723130773485636,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:40","startHours":7.399508699359155,"endHours":7.674900945181553,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:29","startHours":11.788572617153617,"endHours":12.477053231709613,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:17","startHours":5.592247086149669,"endHours":6.280727700705663,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"06:58","startHours":6.108607547066665,"endHours":6.969208315261658,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:33","startHours":13.854014460821602,"endHours":14.542495075377596,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.096417533601574,"endHours":17.496417533601573,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.296417533601574,"endHours":17.72671791769907,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.046417533601574,"endHours":18.796417533601574,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:29","startHours":23.78857261715362,"endHours":24.47705323170961,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:58","end":"08:16","startHours":6.969208315261658,"endHours":8.260109467554148,"quality":"neutral"},{"name":"Labha","start":"08:16","end":"09:33","startHours":8.260109467554148,"endHours":9.551010619846636,"quality":"auspicious"},{"name":"Amṛta","start":"09:33","end":"10:51","startHours":9.551010619846636,"endHours":10.841911772139127,"quality":"auspicious"},{"name":"Kāla","start":"10:51","end":"12:08","startHours":10.841911772139127,"endHours":12.132812924431615,"quality":"inauspicious"},{"name":"Śubha","start":"12:08","end":"13:25","startHours":12.132812924431615,"endHours":13.423714076724107,"quality":"auspicious"},{"name":"Roga","start":"13:25","end":"14:43","startHours":13.423714076724107,"endHours":14.714615229016594,"quality":"inauspicious"},{"name":"Udveg","start":"14:43","end":"16:00","startHours":14.714615229016594,"endHours":16.005516381309086,"quality":"inauspicious"},{"name":"Chala","start":"16:00","end":"17:18","startHours":16.005516381309086,"endHours":17.296417533601574,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:18","end":"19:00","startHours":17.296417533601574,"endHours":19.005516381309086,"quality":"inauspicious"},{"name":"Udveg","start":"19:00","end":"20:43","startHours":19.005516381309086,"endHours":20.714615229016594,"quality":"inauspicious"},{"name":"Chala","start":"20:43","end":"22:25","startHours":20.714615229016594,"endHours":22.423714076724103,"quality":"neutral"},{"name":"Labha","start":"22:25","end":"00:08","startHours":22.423714076724103,"endHours":24.132812924431615,"quality":"auspicious"},{"name":"Amṛta","start":"00:08","end":"01:51","startHours":24.132812924431615,"endHours":25.841911772139127,"quality":"auspicious"},{"name":"Kāla","start":"01:51","end":"03:33","startHours":25.841911772139127,"endHours":27.551010619846636,"quality":"inauspicious"},{"name":"Śubha","start":"03:33","end":"05:16","startHours":27.551010619846636,"endHours":29.260109467554145,"quality":"auspicious"},{"name":"Roga","start":"05:16","end":"06:58","startHours":29.260109467554145,"endHours":30.969208315261657,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.969208315261658,"endHours":7.969208315261658,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.969208315261658,"endHours":8.969208315261657,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.969208315261657,"endHours":9.969208315261657,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.969208315261657,"endHours":10.969208315261657,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.969208315261657,"endHours":11.969208315261657,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.969208315261657,"endHours":12.969208315261657,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.969208315261657,"endHours":13.969208315261657,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.969208315261657,"endHours":14.969208315261657,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.969208315261657,"endHours":15.969208315261657,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.969208315261657,"endHours":16.969208315261657,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.969208315261657,"endHours":17.969208315261657,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.969208315261657,"endHours":18.969208315261657,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.969208315261657,"endHours":19.969208315261657,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.969208315261657,"endHours":20.969208315261657,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.969208315261657,"endHours":21.969208315261657,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.969208315261657,"endHours":22.969208315261657,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.969208315261657,"endHours":23.969208315261657,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.969208315261657,"endHours":24.969208315261657,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.969208315261657,"endHours":25.969208315261657,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.969208315261657,"endHours":26.969208315261657,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.969208315261657,"endHours":27.969208315261657,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.969208315261657,"endHours":28.969208315261657,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.969208315261657,"endHours":29.969208315261657,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.969208315261657,"endHours":30.969208315261657,"planetary_lord":"Mars"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.108315458155722,"eotMinutes":8.960824534103129,"ayanamsa":23.2931}},"calendars":{"vikram_samvat":2016,"vikram_samvatsara":"Paridhāvi","saka_samvat":1881,"saka_samvatsara":"Vikāri","bengali_samvat":1366,"malayalam_era":1135,"nanakshahi_year":490,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pañcamī · Vikram 2016 Paridhāvi · Śaka 1881 Vikāri"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 December 4, 1959 CE · Ṛṣikeśa · Vidhyamitra","description":"December 4, 1959 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 06:58, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1959-12-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1959-12-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/1959-12-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/1959-12-04","x-default":"https://vidhyamitra.com/city/rishikesh/1959-12-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:16:30.309Z","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":"2026-06-01T21:16:30.309Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:16:30.309Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}