{"id":"vidhyamitra:city-day:vrindavan:2013-05-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2013-05-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-05-07","date_display":"May 7, 2013 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":2013,"month":5,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456419.770833,"kali_year":5115,"ahargana":1867954.2708,"sun":{"sidereal_longitude":22.6147,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":348.1748,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.5601,"elapsed_within_tithi_degrees":1.5601},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":348.1748,"elapsed_within_degrees":1.5081},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.7895},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2013,"month":5,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456419.770833,"ahargana":1867954.2708,"kali_year":5115,"ayanamsa_lahiri":24.0394,"grahas":{"sun":{"sidereal_longitude":22.61635799999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":348.718558,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":2.8068},"mars":{"sidereal_longitude":18.08375799999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":16.57945799999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":54.254358000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":32.62595799999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":193.27685799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":206.7935,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":26.7935,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2013,"month":5,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456419.770833,"kali_year":5115,"ahargana":1867954.2708,"sun":{"sidereal_longitude":22.6147,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":348.1748,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.5601,"elapsed_within_tithi_degrees":1.5601},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":348.1748,"elapsed_within_degrees":1.5081},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.7895},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.807,"elongation":34.44},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.807,"opposition_distance":145.56}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":-1.09,"opposition_distance":1.352},{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":-0.055,"elongation":1.837},{"offset_days":18,"type":"lunar","occurs":true,"moon_latitude":0.875,"opposition_distance":2.792}]},"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":"05:36","sunsetLocal":"18:56","solarNoonLocal":"12:16","dayLengthHours":13.342771812152186,"dayLengthDisplay":"13 Hours 20 Mins 34 Secs","nightLengthDisplay":"10 Hours 39 Mins 26 Secs","moonriseLocal":"03:47","moonsetLocal":"16:13","rahuKala":{"name":"Rāhu Kāla","start":"15:36","end":"17:16","startHours":15.599878609587948,"endHours":17.26772508610697,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:56","end":"10:36","startHours":8.928492703511855,"endHours":10.596339180030878,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:56","startHours":12.264185656549902,"endHours":13.932032133068926,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:09","startHours":8.706113173309319,"endHours":9.150872233714392,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:30","startHours":6.14874857598015,"endHours":6.504555824304209,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:43","startHours":11.81942659614483,"endHours":12.708944716954974,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:42","startHours":3.8137635088535173,"endHours":4.703281629663663,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:36","startHours":4.480902099461126,"endHours":5.592799750473809,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.487980958575267,"endHours":15.377499079385414,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.735571562625996,"endHours":19.135571562625994,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:29","startHours":18.935571562625995,"endHours":19.491520388132336,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.685571562625995,"endHours":20.435571562625995,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:43","startHours":23.81942659614483,"endHours":24.708944716954974,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:36","end":"07:16","startHours":5.592799750473809,"endHours":7.260646226992832,"quality":"inauspicious"},{"name":"Udveg","start":"07:16","end":"08:56","startHours":7.260646226992832,"endHours":8.928492703511855,"quality":"inauspicious"},{"name":"Chala","start":"08:56","end":"10:36","startHours":8.928492703511855,"endHours":10.596339180030878,"quality":"neutral"},{"name":"Labha","start":"10:36","end":"12:16","startHours":10.596339180030878,"endHours":12.264185656549902,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:56","startHours":12.264185656549902,"endHours":13.932032133068926,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:36","startHours":13.932032133068926,"endHours":15.599878609587948,"quality":"inauspicious"},{"name":"Śubha","start":"15:36","end":"17:16","startHours":15.599878609587948,"endHours":17.26772508610697,"quality":"auspicious"},{"name":"Roga","start":"17:16","end":"18:56","startHours":17.26772508610697,"endHours":18.935571562625995,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:56","end":"20:16","startHours":18.935571562625995,"endHours":20.26772508610697,"quality":"inauspicious"},{"name":"Śubha","start":"20:16","end":"21:36","startHours":20.26772508610697,"endHours":21.599878609587947,"quality":"auspicious"},{"name":"Roga","start":"21:36","end":"22:56","startHours":21.599878609587947,"endHours":22.932032133068926,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:16","startHours":22.932032133068926,"endHours":24.264185656549902,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"01:36","startHours":24.264185656549902,"endHours":25.596339180030878,"quality":"neutral"},{"name":"Labha","start":"01:36","end":"02:56","startHours":25.596339180030878,"endHours":26.928492703511857,"quality":"auspicious"},{"name":"Amṛta","start":"02:56","end":"04:16","startHours":26.928492703511857,"endHours":28.260646226992833,"quality":"auspicious"},{"name":"Kāla","start":"04:16","end":"05:36","startHours":28.260646226992833,"endHours":29.59279975047381,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:36","end":"06:36","startHours":5.592799750473809,"endHours":6.592799750473809,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:36","end":"07:36","startHours":6.592799750473809,"endHours":7.592799750473809,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:36","end":"08:36","startHours":7.592799750473809,"endHours":8.592799750473809,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:36","end":"09:36","startHours":8.592799750473809,"endHours":9.592799750473809,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:36","end":"10:36","startHours":9.592799750473809,"endHours":10.592799750473809,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:36","end":"11:36","startHours":10.592799750473809,"endHours":11.592799750473809,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:36","end":"12:36","startHours":11.592799750473809,"endHours":12.592799750473809,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:36","end":"13:36","startHours":12.592799750473809,"endHours":13.592799750473809,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:36","end":"14:36","startHours":13.592799750473809,"endHours":14.592799750473809,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:36","end":"15:36","startHours":14.592799750473809,"endHours":15.592799750473809,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:36","end":"16:36","startHours":15.592799750473809,"endHours":16.59279975047381,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:36","end":"17:36","startHours":16.59279975047381,"endHours":17.59279975047381,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:36","end":"18:36","startHours":17.59279975047381,"endHours":18.59279975047381,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:36","end":"19:36","startHours":18.59279975047381,"endHours":19.59279975047381,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:36","end":"20:36","startHours":19.59279975047381,"endHours":20.59279975047381,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:36","end":"21:36","startHours":20.59279975047381,"endHours":21.59279975047381,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:36","end":"22:36","startHours":21.59279975047381,"endHours":22.59279975047381,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:36","end":"23:36","startHours":22.59279975047381,"endHours":23.59279975047381,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:36","end":"00:36","startHours":23.59279975047381,"endHours":24.59279975047381,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:36","end":"01:36","startHours":24.59279975047381,"endHours":25.59279975047381,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:36","end":"02:36","startHours":25.59279975047381,"endHours":26.59279975047381,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:36","end":"03:36","startHours":26.59279975047381,"endHours":27.59279975047381,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:36","end":"04:36","startHours":27.59279975047381,"endHours":28.59279975047381,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:36","end":"05:36","startHours":28.59279975047381,"endHours":29.59279975047381,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":16.81294848085236,"eotMinutes":3.5116606070058483,"ayanamsa":24.0394}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Trayodaśī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 7, 2013 CE · Vṛndāvana · Vidhyamitra","description":"May 7, 2013 CE for Vṛndāvana: Kṛṣṇa Trayodaśī, sūryodaya 05:36, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2013-05-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2013-05-07","sa":"https://sa.vidhyamitra.com/city/vrindavan/2013-05-07","hi":"https://hi.vidhyamitra.com/city/vrindavan/2013-05-07","x-default":"https://vidhyamitra.com/city/vrindavan/2013-05-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T19:05:56.846Z","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":"2026-05-15T19:05:56.846Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T19:05:56.846Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}