{"id":"vidhyamitra:city-day:ujjain:2012-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/2012-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-04-13","date_display":"April 13, 2012 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":2012,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456030.770833,"kali_year":5113,"ahargana":1867565.2708,"sun":{"sidereal_longitude":359.6015,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":261.2672,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6657,"elapsed_within_tithi_degrees":9.6657},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":261.2672,"elapsed_within_degrees":7.9338},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.8686},"karana":{"half_tithi_index":43,"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":2012,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456030.770833,"ahargana":1867565.2708,"kali_year":5113,"ayanamsa_lahiri":24.0246,"grahas":{"sun":{"sidereal_longitude":359.494121,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":264.34202099999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":2.5056},"mars":{"sidereal_longitude":129.46032100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":332.76222099999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":21.786921000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":44.109920999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":182.12272099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":227.4046,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.4046,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456030.770833,"kali_year":5113,"ahargana":1867565.2708,"sun":{"sidereal_longitude":359.6015,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":261.2672,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.6657,"elapsed_within_tithi_degrees":9.6657},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":261.2672,"elapsed_within_degrees":7.9338},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.8686},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.506,"elongation":98.334},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.506,"opposition_distance":81.666}},"eclipse_window_40days":[]},"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:08","sunsetLocal":"18:47","solarNoonLocal":"12:28","dayLengthHours":12.648893351874198,"dayLengthDisplay":"12 Hours 38 Mins 56 Secs","nightLengthDisplay":"11 Hours 21 Mins 04 Secs","moonriseLocal":"00:44","moonsetLocal":"11:30","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:28","startHours":10.879151844844131,"endHours":12.460263513828405,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:37","end":"17:12","startHours":15.622486851796955,"endHours":17.20359852078123,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:43","end":"09:18","startHours":7.716928506875582,"endHours":9.298040175859857,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:31","startHours":9.087225286661953,"endHours":9.508855065057759,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"07:00","startHours":6.662854060886065,"endHours":7.000157883602711,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:53","startHours":12.0386337354326,"endHours":12.88189329222421,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:18","startHours":4.44929772430808,"endHours":5.292557281099693,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:08","startHours":5.08174239190179,"endHours":6.135816837891307,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:25","startHours":14.56841240580744,"endHours":15.411671962599053,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.584710189765506,"endHours":18.984710189765504,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:19","startHours":18.784710189765505,"endHours":19.311747412760262,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.534710189765505,"endHours":20.284710189765505,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:53","startHours":24.038633735432597,"endHours":24.881893292224213,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:08","end":"07:43","startHours":6.135816837891307,"endHours":7.716928506875582,"quality":"neutral"},{"name":"Labha","start":"07:43","end":"09:18","startHours":7.716928506875582,"endHours":9.298040175859857,"quality":"auspicious"},{"name":"Amṛta","start":"09:18","end":"10:53","startHours":9.298040175859857,"endHours":10.879151844844131,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:28","startHours":10.879151844844131,"endHours":12.460263513828405,"quality":"inauspicious"},{"name":"Śubha","start":"12:28","end":"14:02","startHours":12.460263513828405,"endHours":14.041375182812681,"quality":"auspicious"},{"name":"Roga","start":"14:02","end":"15:37","startHours":14.041375182812681,"endHours":15.622486851796955,"quality":"inauspicious"},{"name":"Udveg","start":"15:37","end":"17:12","startHours":15.622486851796955,"endHours":17.20359852078123,"quality":"inauspicious"},{"name":"Chala","start":"17:12","end":"18:47","startHours":17.20359852078123,"endHours":18.784710189765505,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:47","end":"20:12","startHours":18.784710189765505,"endHours":20.20359852078123,"quality":"inauspicious"},{"name":"Udveg","start":"20:12","end":"21:37","startHours":20.20359852078123,"endHours":21.622486851796957,"quality":"inauspicious"},{"name":"Chala","start":"21:37","end":"23:02","startHours":21.622486851796957,"endHours":23.04137518281268,"quality":"neutral"},{"name":"Labha","start":"23:02","end":"00:28","startHours":23.04137518281268,"endHours":24.460263513828405,"quality":"auspicious"},{"name":"Amṛta","start":"00:28","end":"01:53","startHours":24.460263513828405,"endHours":25.87915184484413,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:18","startHours":25.87915184484413,"endHours":27.298040175859857,"quality":"inauspicious"},{"name":"Śubha","start":"03:18","end":"04:43","startHours":27.298040175859857,"endHours":28.716928506875583,"quality":"auspicious"},{"name":"Roga","start":"04:43","end":"06:08","startHours":28.716928506875583,"endHours":30.135816837891305,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.135816837891307,"endHours":7.135816837891307,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.135816837891307,"endHours":8.135816837891307,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.135816837891307,"endHours":9.135816837891307,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.135816837891307,"endHours":10.135816837891307,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.135816837891307,"endHours":11.135816837891307,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.135816837891307,"endHours":12.135816837891307,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.135816837891307,"endHours":13.135816837891307,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.135816837891307,"endHours":14.135816837891307,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.135816837891307,"endHours":15.135816837891307,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.135816837891307,"endHours":16.135816837891305,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.135816837891305,"endHours":17.135816837891305,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.135816837891305,"endHours":18.135816837891305,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.135816837891305,"endHours":19.135816837891305,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.135816837891305,"endHours":20.135816837891305,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.135816837891305,"endHours":21.135816837891305,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.135816837891305,"endHours":22.135816837891305,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.135816837891305,"endHours":23.135816837891305,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.135816837891305,"endHours":24.135816837891305,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.135816837891305,"endHours":25.135816837891305,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.135816837891305,"endHours":26.135816837891305,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.135816837891305,"endHours":27.135816837891305,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.135816837891305,"endHours":28.135816837891305,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.135816837891305,"endHours":29.135816837891305,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.135816837891305,"endHours":30.135816837891305,"planetary_lord":"Mars"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.132295925257631,"eotMinutes":-0.7698108297043191,"ayanamsa":24.0246}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Saptamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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_ingress":"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_ingress":"Meṣa"},"precedence":2}],"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":"ujjain"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 13, 2012 CE · Ujjain · Vidhyamitra","description":"April 13, 2012 CE for Ujjain: Kṛṣṇa Saptamī, sūryodaya 06:08, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/2012-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/2012-04-13","sa":"https://sa.vidhyamitra.com/city/ujjain/2012-04-13","hi":"https://hi.vidhyamitra.com/city/ujjain/2012-04-13","x-default":"https://vidhyamitra.com/city/ujjain/2012-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T11:50:45.099Z","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":"2026-06-01T11:50:45.099Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T11:50:45.099Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}