{"id":"vidhyamitra:city-day:vrindavan:2079-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2079-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2079-05-13","date_display":"May 13, 2079 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":2079,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2480531.770833,"kali_year":5181,"ahargana":1892066.2708,"sun":{"sidereal_longitude":27.3455,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":175.3248,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.9793,"elapsed_within_tithi_degrees":3.9793},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.3248,"elapsed_within_degrees":1.9915},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.6703},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2079,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2480531.770833,"ahargana":1892066.2708,"kali_year":5181,"ayanamsa_lahiri":24.9616,"grahas":{"sun":{"sidereal_longitude":27.53140300000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":176.292103,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":1.0799},"mars":{"sidereal_longitude":41.27450299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":31.41170299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":261.74260300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":71.70590299999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":278.402103,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":9.2237,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":189.2237,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2079,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2480531.770833,"kali_year":5181,"ahargana":1892066.2708,"sun":{"sidereal_longitude":27.3455,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":175.3248,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.9793,"elapsed_within_tithi_degrees":3.9793},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.3248,"elapsed_within_degrees":1.9915},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.6703},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.08,"elongation":147.979},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.08,"opposition_distance":32.021}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:32","sunsetLocal":"19:00","solarNoonLocal":"12:16","dayLengthHours":13.466975996938466,"dayLengthDisplay":"13 Hours 28 Mins 01 Secs","nightLengthDisplay":"10 Hours 31 Mins 59 Secs","moonriseLocal":"16:25","moonsetLocal":"03:56","rahuKala":{"name":"Rāhu Kāla","start":"08:54","end":"10:35","startHours":8.893412021706112,"endHours":10.57678402132342,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:57","end":"15:38","startHours":13.943528020558034,"endHours":15.626900020175345,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:32","end":"07:13","startHours":5.526668022471495,"endHours":7.210040022088803,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:07","startHours":8.668962421757136,"endHours":9.117861621655086,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:27","startHours":6.087792022343931,"endHours":6.446911382262289,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:43","startHours":11.811256821042777,"endHours":12.709055220838676,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:38","startHours":3.7310712228796996,"endHours":4.628869622675597,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:32","startHours":4.404420022726622,"endHours":5.526668022471495,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:24","startHours":14.504652020430473,"endHours":15.402450420226371,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.79364401940996,"endHours":19.19364401940996,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:33","startHours":18.99364401940996,"endHours":19.554768019282395,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.74364401940996,"endHours":20.49364401940996,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:43","startHours":23.81125682104278,"endHours":24.709055220838675,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:32","end":"07:13","startHours":5.526668022471495,"endHours":7.210040022088803,"quality":"inauspicious"},{"name":"Śubha","start":"07:13","end":"08:54","startHours":7.210040022088803,"endHours":8.893412021706112,"quality":"auspicious"},{"name":"Roga","start":"08:54","end":"10:35","startHours":8.893412021706112,"endHours":10.57678402132342,"quality":"inauspicious"},{"name":"Udveg","start":"10:35","end":"12:16","startHours":10.57678402132342,"endHours":12.260156020940727,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:57","startHours":12.260156020940727,"endHours":13.943528020558034,"quality":"neutral"},{"name":"Labha","start":"13:57","end":"15:38","startHours":13.943528020558034,"endHours":15.626900020175345,"quality":"auspicious"},{"name":"Amṛta","start":"15:38","end":"17:19","startHours":15.626900020175345,"endHours":17.310272019792652,"quality":"auspicious"},{"name":"Kāla","start":"17:19","end":"19:00","startHours":17.310272019792652,"endHours":18.99364401940996,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:00","end":"20:19","startHours":18.99364401940996,"endHours":20.310272019792652,"quality":"auspicious"},{"name":"Amṛta","start":"20:19","end":"21:38","startHours":20.310272019792652,"endHours":21.62690002017534,"quality":"auspicious"},{"name":"Kāla","start":"21:38","end":"22:57","startHours":21.62690002017534,"endHours":22.943528020558034,"quality":"inauspicious"},{"name":"Śubha","start":"22:57","end":"00:16","startHours":22.943528020558034,"endHours":24.260156020940727,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:35","startHours":24.260156020940727,"endHours":25.57678402132342,"quality":"inauspicious"},{"name":"Udveg","start":"01:35","end":"02:54","startHours":25.57678402132342,"endHours":26.893412021706112,"quality":"inauspicious"},{"name":"Chala","start":"02:54","end":"04:13","startHours":26.893412021706112,"endHours":28.2100400220888,"quality":"neutral"},{"name":"Labha","start":"04:13","end":"05:32","startHours":28.2100400220888,"endHours":29.526668022471494,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.526668022471495,"endHours":6.526668022471495,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.526668022471495,"endHours":7.526668022471495,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.526668022471495,"endHours":8.526668022471494,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.526668022471494,"endHours":9.526668022471494,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.526668022471494,"endHours":10.526668022471494,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.526668022471494,"endHours":11.526668022471494,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.526668022471494,"endHours":12.526668022471494,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.526668022471494,"endHours":13.526668022471494,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.526668022471494,"endHours":14.526668022471494,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.526668022471494,"endHours":15.526668022471494,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.526668022471494,"endHours":16.526668022471494,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.526668022471494,"endHours":17.526668022471494,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.526668022471494,"endHours":18.526668022471494,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.526668022471494,"endHours":19.526668022471494,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.526668022471494,"endHours":20.526668022471494,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.526668022471494,"endHours":21.526668022471494,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.526668022471494,"endHours":22.526668022471494,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.526668022471494,"endHours":23.526668022471494,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.526668022471494,"endHours":24.526668022471494,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.526668022471494,"endHours":25.526668022471494,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.526668022471494,"endHours":26.526668022471494,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.526668022471494,"endHours":27.526668022471494,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.526668022471494,"endHours":28.526668022471494,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.526668022471494,"endHours":29.526668022471494,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.39177418495208,"eotMinutes":3.7534387435564067,"ayanamsa":24.9616}},"calendars":{"vikram_samvat":2136,"vikram_samvatsara":"Paridhāvi","saka_samvat":2001,"saka_samvatsara":"Vikāri","bengali_samvat":1486,"malayalam_era":1255,"nanakshahi_year":610,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Trayodaśī · Vikram 2136 Paridhāvi · Śaka 2001 Vikāri"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 13, 2079 CE · Vṛndāvana · Vidhyamitra","description":"May 13, 2079 CE for Vṛndāvana: Śukla Trayodaśī, sūryodaya 05:32, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2079-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2079-05-13","sa":"https://sa.vidhyamitra.com/city/vrindavan/2079-05-13","hi":"https://hi.vidhyamitra.com/city/vrindavan/2079-05-13","x-default":"https://vidhyamitra.com/city/vrindavan/2079-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T00:34:25.300Z","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":"2026-06-02T00:34:25.300Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T00:34:25.300Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}