{"id":"vidhyamitra:city-day:rishikesh:1960-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1960-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1960-02-13","date_display":"February 13, 1960 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":1960,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436977.770833,"kali_year":5061,"ahargana":1848512.2708,"sun":{"sidereal_longitude":300.2243,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":123.455,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.2307,"elapsed_within_tithi_degrees":3.2307},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":123.455,"elapsed_within_degrees":3.455},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.6792},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1960,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436977.770833,"ahargana":1848512.2708,"kali_year":5061,"ayanamsa_lahiri":23.2959,"grahas":{"sun":{"sidereal_longitude":300.043986,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":123.711386,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-2.4799},"mars":{"sidereal_longitude":269.57428600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":313.646386,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":244.72188600000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":267.875186,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":261.52258600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":156.9242,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":336.9242,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1960,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436977.770833,"kali_year":5061,"ahargana":1848512.2708,"sun":{"sidereal_longitude":300.2243,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":123.455,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.2307,"elapsed_within_tithi_degrees":3.2307},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":123.455,"elapsed_within_degrees":3.455},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.6792},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.48,"elongation":176.769},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.48,"opposition_distance":3.231}},"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":"07:00","sunsetLocal":"18:03","solarNoonLocal":"12:32","dayLengthHours":11.047642308835563,"dayLengthDisplay":"11 Hours 02 Mins 52 Secs","nightLengthDisplay":"12 Hours 57 Mins 08 Secs","moonriseLocal":"18:14","moonsetLocal":"07:19","rahuKala":{"name":"Rāhu Kāla","start":"09:46","end":"11:09","startHours":9.763574843801479,"endHours":11.144530132405922,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:17","startHours":13.906440709614813,"endHours":15.28739599821926,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:00","end":"08:23","startHours":7.001664266592587,"endHours":8.382619555197032,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:57","startHours":9.579447471987551,"endHours":9.947702215615404,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:45","startHours":7.461982696127402,"endHours":7.756586491029683,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.157230677382517,"endHours":12.893740164638222,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:16","startHours":5.528645292081179,"endHours":6.265154779336883,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"07:00","startHours":6.0810274075229565,"endHours":7.001664266592587,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:06","startHours":14.366759139149629,"endHours":15.103268626405333,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.84930657542815,"endHours":18.24930657542815,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:31","startHours":18.04930657542815,"endHours":18.509625004962967,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.79930657542815,"endHours":19.54930657542815,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.15723067738252,"endHours":24.89374016463822,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:00","end":"08:23","startHours":7.001664266592587,"endHours":8.382619555197032,"quality":"inauspicious"},{"name":"Śubha","start":"08:23","end":"09:46","startHours":8.382619555197032,"endHours":9.763574843801479,"quality":"auspicious"},{"name":"Roga","start":"09:46","end":"11:09","startHours":9.763574843801479,"endHours":11.144530132405922,"quality":"inauspicious"},{"name":"Udveg","start":"11:09","end":"12:32","startHours":11.144530132405922,"endHours":12.52548542101037,"quality":"inauspicious"},{"name":"Chala","start":"12:32","end":"13:54","startHours":12.52548542101037,"endHours":13.906440709614813,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:17","startHours":13.906440709614813,"endHours":15.28739599821926,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:40","startHours":15.28739599821926,"endHours":16.668351286823704,"quality":"auspicious"},{"name":"Kāla","start":"16:40","end":"18:03","startHours":16.668351286823704,"endHours":18.04930657542815,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:03","end":"19:40","startHours":18.04930657542815,"endHours":19.668351286823707,"quality":"auspicious"},{"name":"Amṛta","start":"19:40","end":"21:17","startHours":19.668351286823707,"endHours":21.28739599821926,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:54","startHours":21.28739599821926,"endHours":22.906440709614813,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:32","startHours":22.906440709614813,"endHours":24.52548542101037,"quality":"auspicious"},{"name":"Roga","start":"00:32","end":"02:09","startHours":24.52548542101037,"endHours":26.144530132405926,"quality":"inauspicious"},{"name":"Udveg","start":"02:09","end":"03:46","startHours":26.144530132405926,"endHours":27.76357484380148,"quality":"inauspicious"},{"name":"Chala","start":"03:46","end":"05:23","startHours":27.76357484380148,"endHours":29.38261955519703,"quality":"neutral"},{"name":"Labha","start":"05:23","end":"07:00","startHours":29.38261955519703,"endHours":31.001664266592588,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.001664266592587,"endHours":8.001664266592588,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.001664266592588,"endHours":9.001664266592588,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.001664266592588,"endHours":10.001664266592588,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.001664266592588,"endHours":11.001664266592588,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.001664266592588,"endHours":12.001664266592588,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.001664266592588,"endHours":13.001664266592588,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.001664266592588,"endHours":14.001664266592588,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.001664266592588,"endHours":15.001664266592588,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.001664266592588,"endHours":16.001664266592588,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.001664266592588,"endHours":17.001664266592588,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.001664266592588,"endHours":18.001664266592588,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.001664266592588,"endHours":19.001664266592588,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.001664266592588,"endHours":20.001664266592588,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.001664266592588,"endHours":21.001664266592588,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.001664266592588,"endHours":22.001664266592588,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.001664266592588,"endHours":23.001664266592588,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.001664266592588,"endHours":24.001664266592588,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.001664266592588,"endHours":25.001664266592588,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.001664266592588,"endHours":26.001664266592588,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.001664266592588,"endHours":27.001664266592588,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.001664266592588,"endHours":28.001664266592588,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.001664266592588,"endHours":29.001664266592588,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.001664266592588,"endHours":30.001664266592588,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.001664266592588,"endHours":31.001664266592588,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.737434883713972,"eotMinutes":-14.599525260622107,"ayanamsa":23.2959}},"calendars":{"vikram_samvat":2017,"vikram_samvatsara":"Pramādī","saka_samvat":1882,"saka_samvatsara":"Śārvarī","bengali_samvat":1367,"malayalam_era":1136,"nanakshahi_year":491,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Pratipada · Vikram 2017 Pramādī · Śaka 1882 Śārvarī"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi_ingress":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 13, 1960 CE · Ṛṣikeśa · Vidhyamitra","description":"February 13, 1960 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 07:00, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1960-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1960-02-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1960-02-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1960-02-13","x-default":"https://vidhyamitra.com/city/rishikesh/1960-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:00:00.885Z","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":"2026-05-31T21:00:00.885Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:00:00.885Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}