{"id":"vidhyamitra:city-day:ujjain:2018-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/2018-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-04-13","date_display":"April 13, 2018 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2018,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458221.770833,"kali_year":5119,"ahargana":1869756.2708,"sun":{"sidereal_longitude":359.0616,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":321.2973,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.2357,"elapsed_within_tithi_degrees":10.2357},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.2973,"elapsed_within_degrees":1.2973},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.359},"karana":{"half_tithi_index":53,"name":"Taitila"},"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":2018,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458221.770833,"ahargana":1869756.2708,"kali_year":5119,"ayanamsa_lahiri":24.1084,"grahas":{"sun":{"sidereal_longitude":358.966609,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":321.73650900000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":-2.2471},"mars":{"sidereal_longitude":260.15230900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":340.775109,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":207.11910899999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":21.431309,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":254.88820899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":111.3149,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.3149,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2018,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458221.770833,"kali_year":5119,"ahargana":1869756.2708,"sun":{"sidereal_longitude":359.0616,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":321.2973,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.2357,"elapsed_within_tithi_degrees":10.2357},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.2973,"elapsed_within_degrees":1.2973},"yoga":{"number":25,"name":"Brahma","sum_longitude":320.359},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.247,"elongation":37.764},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.247,"opposition_distance":142.236}},"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":12.63919633820533,"dayLengthDisplay":"12 Hours 38 Mins 21 Secs","nightLengthDisplay":"11 Hours 21 Mins 39 Secs","moonriseLocal":"04:06","moonsetLocal":"15:52","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:28","startHours":10.88036397155274,"endHours":12.460263513828405,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:37","end":"17:12","startHours":15.62006259837974,"endHours":17.199962140655405,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:43","end":"09:18","startHours":7.720564887001407,"endHours":9.300464429277074,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:31","startHours":9.089811156973651,"endHours":9.511117701580496,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"07:00","startHours":6.667298525484296,"endHours":7.004343761169771,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:53","startHours":12.03895696922156,"endHours":12.88157005843525,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:18","startHours":4.455439166298364,"endHours":5.298052255512052,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:08","startHours":5.0873989832086295,"endHours":6.140665344725741,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:25","startHours":14.56679623686263,"endHours":15.409409326076318,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.57986168293107,"endHours":18.97986168293107,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:18","startHours":18.77986168293107,"endHours":19.306494863689625,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.52986168293107,"endHours":20.27986168293107,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:53","startHours":24.038956969221562,"endHours":24.881570058435248,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:08","end":"07:43","startHours":6.140665344725741,"endHours":7.720564887001407,"quality":"neutral"},{"name":"Labha","start":"07:43","end":"09:18","startHours":7.720564887001407,"endHours":9.300464429277074,"quality":"auspicious"},{"name":"Amṛta","start":"09:18","end":"10:53","startHours":9.300464429277074,"endHours":10.88036397155274,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:28","startHours":10.88036397155274,"endHours":12.460263513828405,"quality":"inauspicious"},{"name":"Śubha","start":"12:28","end":"14:02","startHours":12.460263513828405,"endHours":14.040163056104072,"quality":"auspicious"},{"name":"Roga","start":"14:02","end":"15:37","startHours":14.040163056104072,"endHours":15.62006259837974,"quality":"inauspicious"},{"name":"Udveg","start":"15:37","end":"17:12","startHours":15.62006259837974,"endHours":17.199962140655405,"quality":"inauspicious"},{"name":"Chala","start":"17:12","end":"18:47","startHours":17.199962140655405,"endHours":18.77986168293107,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:47","end":"20:12","startHours":18.77986168293107,"endHours":20.199962140655405,"quality":"inauspicious"},{"name":"Udveg","start":"20:12","end":"21:37","startHours":20.199962140655405,"endHours":21.62006259837974,"quality":"inauspicious"},{"name":"Chala","start":"21:37","end":"23:02","startHours":21.62006259837974,"endHours":23.04016305610407,"quality":"neutral"},{"name":"Labha","start":"23:02","end":"00:28","startHours":23.04016305610407,"endHours":24.460263513828405,"quality":"auspicious"},{"name":"Amṛta","start":"00:28","end":"01:53","startHours":24.460263513828405,"endHours":25.88036397155274,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:18","startHours":25.88036397155274,"endHours":27.30046442927707,"quality":"inauspicious"},{"name":"Śubha","start":"03:18","end":"04:43","startHours":27.30046442927707,"endHours":28.720564887001405,"quality":"auspicious"},{"name":"Roga","start":"04:43","end":"06:08","startHours":28.720564887001405,"endHours":30.14066534472574,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.140665344725741,"endHours":7.140665344725741,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.140665344725741,"endHours":8.14066534472574,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.14066534472574,"endHours":9.14066534472574,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.14066534472574,"endHours":10.14066534472574,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.14066534472574,"endHours":11.14066534472574,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.14066534472574,"endHours":12.14066534472574,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.14066534472574,"endHours":13.14066534472574,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.14066534472574,"endHours":14.14066534472574,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.14066534472574,"endHours":15.14066534472574,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.14066534472574,"endHours":16.14066534472574,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.14066534472574,"endHours":17.14066534472574,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.14066534472574,"endHours":18.14066534472574,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.14066534472574,"endHours":19.14066534472574,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.14066534472574,"endHours":20.14066534472574,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.14066534472574,"endHours":21.14066534472574,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.14066534472574,"endHours":22.14066534472574,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.14066534472574,"endHours":23.14066534472574,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.14066534472574,"endHours":24.14066534472574,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.14066534472574,"endHours":25.14066534472574,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.14066534472574,"endHours":26.14066534472574,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.14066534472574,"endHours":27.14066534472574,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.14066534472574,"endHours":28.14066534472574,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.14066534472574,"endHours":29.14066534472574,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.14066534472574,"endHours":30.14066534472574,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.96816294257557,"eotMinutes":-0.7698108297043191,"ayanamsa":24.1084}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"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 Dvādaśī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[],"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, 2018 CE · Ujjain · Vidhyamitra","description":"April 13, 2018 CE for Ujjain: Kṛṣṇa Dvādaśī, sūryodaya 06:08, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/2018-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/2018-04-13","sa":"https://sa.vidhyamitra.com/city/ujjain/2018-04-13","hi":"https://hi.vidhyamitra.com/city/ujjain/2018-04-13","x-default":"https://vidhyamitra.com/city/ujjain/2018-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-25T07:03:04.690Z","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":"2026-08-25T07:03:04.690Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-25T07:03:04.690Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}