{"id":"vidhyamitra:city-day:rishikesh:1960-03-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1960-03-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1960-03-13","date_display":"March 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":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437006.770833,"kali_year":5061,"ahargana":1848541.2708,"sun":{"sidereal_longitude":329.4433,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":144.5886,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.1454,"elapsed_within_tithi_degrees":7.1454},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.5886,"elapsed_within_degrees":11.2553},"yoga":{"number":9,"name":"Śūla","sum_longitude":114.0319},"karana":{"half_tithi_index":29,"name":"Bava"},"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":1960,"month":3,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2437006.770833,"ahargana":1848541.2708,"kali_year":5061,"ayanamsa_lahiri":23.297,"grahas":{"sun":{"sidereal_longitude":329.17477799999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":145.30287799999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":-0.8423},"mars":{"sidereal_longitude":291.67527800000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":325.58607800000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":248.849878,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":303.550478,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":264.03267800000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":155.3877,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.3877,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437006.770833,"kali_year":5061,"ahargana":1848541.2708,"sun":{"sidereal_longitude":329.4433,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":144.5886,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.1454,"elapsed_within_tithi_degrees":7.1454},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.5886,"elapsed_within_degrees":11.2553},"yoga":{"number":9,"name":"Śūla","sum_longitude":114.0319},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.842,"elongation":175.145},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.842,"opposition_distance":4.855}},"eclipse_window_40days":[{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":-0.557,"elongation":1.583}]},"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":"06:30","sunsetLocal":"18:24","solarNoonLocal":"12:27","dayLengthHours":11.897576429712707,"dayLengthDisplay":"11 Hours 53 Mins 51 Secs","nightLengthDisplay":"12 Hours 06 Mins 09 Secs","moonriseLocal":"17:58","moonsetLocal":"06:25","rahuKala":{"name":"Rāhu Kāla","start":"16:55","end":"18:24","startHours":16.914049826622414,"endHours":18.4012468803365,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:27","end":"13:56","startHours":12.452458665480147,"endHours":13.939655719194235,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:26","end":"16:55","startHours":15.426852772908322,"endHours":16.914049826622414,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:41","startHours":9.279771617556758,"endHours":9.676357498547182,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:00","end":"07:19","startHours":6.999402801861822,"endHours":7.316671506654161,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:51","startHours":12.055872784489724,"endHours":12.849044546470571,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:55","end":"05:43","startHours":4.917326926662099,"endHours":5.710498688642946,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:30","startHours":5.512205748147734,"endHours":6.503670450623793,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:14","startHours":14.435388070432264,"endHours":15.228559832413112,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.2012468803365,"endHours":18.6012468803365,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:54","startHours":18.4012468803365,"endHours":18.89697923157453,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.1512468803365,"endHours":19.9012468803365,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:51","startHours":24.055872784489726,"endHours":24.84904454647057,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:30","end":"07:59","startHours":6.503670450623793,"endHours":7.990867504337881,"quality":"inauspicious"},{"name":"Chala","start":"07:59","end":"09:29","startHours":7.990867504337881,"endHours":9.478064558051969,"quality":"neutral"},{"name":"Labha","start":"09:29","end":"10:58","startHours":9.478064558051969,"endHours":10.965261611766058,"quality":"auspicious"},{"name":"Amṛta","start":"10:58","end":"12:27","startHours":10.965261611766058,"endHours":12.452458665480147,"quality":"auspicious"},{"name":"Kāla","start":"12:27","end":"13:56","startHours":12.452458665480147,"endHours":13.939655719194235,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:26","startHours":13.939655719194235,"endHours":15.426852772908322,"quality":"auspicious"},{"name":"Roga","start":"15:26","end":"16:55","startHours":15.426852772908322,"endHours":16.914049826622414,"quality":"inauspicious"},{"name":"Udveg","start":"16:55","end":"18:24","startHours":16.914049826622414,"endHours":18.4012468803365,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:24","end":"19:55","startHours":18.4012468803365,"endHours":19.914049826622414,"quality":"auspicious"},{"name":"Roga","start":"19:55","end":"21:26","startHours":19.914049826622414,"endHours":21.426852772908326,"quality":"inauspicious"},{"name":"Udveg","start":"21:26","end":"22:56","startHours":21.426852772908326,"endHours":22.939655719194235,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:27","startHours":22.939655719194235,"endHours":24.452458665480147,"quality":"neutral"},{"name":"Labha","start":"00:27","end":"01:58","startHours":24.452458665480147,"endHours":25.96526161176606,"quality":"auspicious"},{"name":"Amṛta","start":"01:58","end":"03:29","startHours":25.96526161176606,"endHours":27.47806455805197,"quality":"auspicious"},{"name":"Kāla","start":"03:29","end":"04:59","startHours":27.47806455805197,"endHours":28.99086750433788,"quality":"inauspicious"},{"name":"Śubha","start":"04:59","end":"06:30","startHours":28.99086750433788,"endHours":30.503670450623794,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.503670450623793,"endHours":7.503670450623793,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.503670450623793,"endHours":8.503670450623794,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.503670450623794,"endHours":9.503670450623794,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.503670450623794,"endHours":10.503670450623794,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.503670450623794,"endHours":11.503670450623794,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.503670450623794,"endHours":12.503670450623794,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.503670450623794,"endHours":13.503670450623794,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.503670450623794,"endHours":14.503670450623794,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.503670450623794,"endHours":15.503670450623794,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.503670450623794,"endHours":16.503670450623794,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.503670450623794,"endHours":17.503670450623794,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.503670450623794,"endHours":18.503670450623794,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.503670450623794,"endHours":19.503670450623794,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.503670450623794,"endHours":20.503670450623794,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.503670450623794,"endHours":21.503670450623794,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.503670450623794,"endHours":22.503670450623794,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.503670450623794,"endHours":23.503670450623794,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.503670450623794,"endHours":24.503670450623794,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.503670450623794,"endHours":25.503670450623794,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.503670450623794,"endHours":26.503670450623794,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.503670450623794,"endHours":27.503670450623794,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.503670450623794,"endHours":28.503670450623794,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.503670450623794,"endHours":29.503670450623794,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.503670450623794,"endHours":30.503670450623794,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.9869631722416363,"eotMinutes":-10.217919928808794,"ayanamsa":23.297}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","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 Śukla Pūrṇimā · Vikram 2017 Pramādī · Śaka 1882 Śārvarī"},"festivals":[{"id":"holi","name":"Holi (Phālguna Pūrṇimā)","name_sanskrit":"होली","tradition":"Pan-Hindu","significance":"Festival of colors; Holikā-dahana eve.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":1},{"id":"lakshmi-jayanti","name":"Lakṣmī Jayantī","name_sanskrit":"लक्ष्मी जयन्ती","tradition":"Vaishnava","associated_deity":"Mahā-Lakṣmī","significance":"Birth of Mahā-Lakṣmī from samudra-mathana (Phālguna Pūrṇimā tradition).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":2,"sources":["Bhāgavata 8.8"]},{"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_ingress":"Mīna"},"precedence":5}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","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 March 13, 1960 CE · Ṛṣikeśa · Vidhyamitra","description":"March 13, 1960 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 06:30, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1960-03-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1960-03-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1960-03-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1960-03-13","x-default":"https://vidhyamitra.com/city/rishikesh/1960-03-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:34:30.298Z","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":"2026-05-31T11:34:30.298Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:34:30.298Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}