{"id":"vidhyamitra:city-day:ujjain:-0547-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/-0547-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0547-05-21","date_display":"May 21, 548 BCE","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":-547,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1521406.770833,"kali_year":2555,"ahargana":932941.2708,"sun":{"sidereal_longitude":69.6945,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":207.3823,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.6878,"elapsed_within_tithi_degrees":5.6878},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3823,"elapsed_within_degrees":7.3823},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.0768},"karana":{"half_tithi_index":22,"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":-547,"month":5,"day":21,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1521406.770833,"ahargana":932941.2708,"kali_year":2555,"ayanamsa_lahiri":-11.7213,"grahas":{"sun":{"sidereal_longitude":69.6945,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":207.3823,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":2.9446},"mars":{"sidereal_longitude":28.2217,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":73.0448,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":112.8012,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":37.3348,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":237.6038,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":68.2818,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":248.2818,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":"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":-547,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1521406.770833,"kali_year":2555,"ahargana":932941.2708,"sun":{"sidereal_longitude":69.6945,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":207.3823,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.6878,"elapsed_within_tithi_degrees":5.6878},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3823,"elapsed_within_degrees":7.3823},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.0768},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.945,"elongation":137.688},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.945,"opposition_distance":42.312}},"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":"05:44","sunsetLocal":"19:02","solarNoonLocal":"12:23","dayLengthHours":13.30611303929406,"dayLengthDisplay":"13 Hours 18 Mins 22 Secs","nightLengthDisplay":"10 Hours 41 Mins 38 Secs","moonriseLocal":"15:42","moonsetLocal":"03:26","rahuKala":{"name":"Rāhu Kāla","start":"17:23","end":"19:02","startHours":17.37823542669397,"endHours":19.04149955660573,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:23","end":"14:03","startHours":12.388443036958698,"endHours":14.051707166870456,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:43","end":"17:23","startHours":15.714971296782213,"endHours":17.37823542669397,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:17","startHours":8.840146226480282,"endHours":9.283683327790085,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:39","startHours":6.289807893948922,"endHours":6.644637574996763,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:50","startHours":11.944905935648896,"endHours":12.8319801382685,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:58","end":"04:51","startHours":3.9612381120724613,"endHours":4.848312314692065,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:44","startHours":4.626543764037164,"endHours":5.735386517311669,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:30","startHours":14.60612854350771,"endHours":15.493202746127315,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:50","end":"19:14","startHours":18.84149955660573,"endHours":19.241499556605728,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:02","end":"19:36","startHours":19.04149955660573,"endHours":19.59592093324298,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:47","end":"20:32","startHours":18.79149955660573,"endHours":20.54149955660573,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:50","startHours":23.944905935648897,"endHours":24.8319801382685,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:44","end":"07:24","startHours":5.735386517311669,"endHours":7.398650647223427,"quality":"inauspicious"},{"name":"Chala","start":"07:24","end":"09:04","startHours":7.398650647223427,"endHours":9.061914777135184,"quality":"neutral"},{"name":"Labha","start":"09:04","end":"10:44","startHours":9.061914777135184,"endHours":10.725178907046942,"quality":"auspicious"},{"name":"Amṛta","start":"10:44","end":"12:23","startHours":10.725178907046942,"endHours":12.388443036958698,"quality":"auspicious"},{"name":"Kāla","start":"12:23","end":"14:03","startHours":12.388443036958698,"endHours":14.051707166870456,"quality":"inauspicious"},{"name":"Śubha","start":"14:03","end":"15:43","startHours":14.051707166870456,"endHours":15.714971296782213,"quality":"auspicious"},{"name":"Roga","start":"15:43","end":"17:23","startHours":15.714971296782213,"endHours":17.37823542669397,"quality":"inauspicious"},{"name":"Udveg","start":"17:23","end":"19:02","startHours":17.37823542669397,"endHours":19.04149955660573,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:02","end":"20:23","startHours":19.04149955660573,"endHours":20.378235426693973,"quality":"auspicious"},{"name":"Roga","start":"20:23","end":"21:43","startHours":20.378235426693973,"endHours":21.714971296782213,"quality":"inauspicious"},{"name":"Udveg","start":"21:43","end":"23:03","startHours":21.714971296782213,"endHours":23.051707166870457,"quality":"inauspicious"},{"name":"Chala","start":"23:03","end":"00:23","startHours":23.051707166870457,"endHours":24.388443036958698,"quality":"neutral"},{"name":"Labha","start":"00:23","end":"01:44","startHours":24.388443036958698,"endHours":25.725178907046942,"quality":"auspicious"},{"name":"Amṛta","start":"01:44","end":"03:04","startHours":25.725178907046942,"endHours":27.061914777135186,"quality":"auspicious"},{"name":"Kāla","start":"03:04","end":"04:24","startHours":27.061914777135186,"endHours":28.398650647223427,"quality":"inauspicious"},{"name":"Śubha","start":"04:24","end":"05:44","startHours":28.398650647223427,"endHours":29.735386517311667,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.735386517311669,"endHours":6.735386517311669,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.735386517311669,"endHours":7.735386517311669,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.735386517311669,"endHours":8.73538651731167,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.73538651731167,"endHours":9.73538651731167,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.73538651731167,"endHours":10.73538651731167,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.73538651731167,"endHours":11.73538651731167,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.73538651731167,"endHours":12.73538651731167,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.73538651731167,"endHours":13.73538651731167,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.73538651731167,"endHours":14.73538651731167,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.73538651731167,"endHours":15.73538651731167,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.73538651731167,"endHours":16.735386517311667,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.735386517311667,"endHours":17.735386517311667,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.735386517311667,"endHours":18.735386517311667,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.735386517311667,"endHours":19.735386517311667,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.735386517311667,"endHours":20.735386517311667,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.735386517311667,"endHours":21.735386517311667,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.735386517311667,"endHours":22.735386517311667,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.735386517311667,"endHours":23.735386517311667,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.735386517311667,"endHours":24.735386517311667,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.735386517311667,"endHours":25.735386517311667,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.735386517311667,"endHours":26.735386517311667,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.735386517311667,"endHours":27.735386517311667,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.735386517311667,"endHours":28.735386517311667,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.735386517311667,"endHours":29.735386517311667,"planetary_lord":"Jupiter"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.706230475209367,"eotMinutes":3.539417782478063,"ayanamsa":-11.7213}},"calendars":{"vikram_samvat":-490,"saka_samvat":-625,"bengali_samvat":-1140,"malayalam_era":-1371,"nanakshahi_year":-2016,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Dvādaśī · Vikram -490 undefined · Śaka -625 undefined"},"festivals":[],"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":[]},"validity":{"eternal":true,"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 May 21, 548 BCE · Ujjain · Vidhyamitra","description":"May 21, 548 BCE for Ujjain: Śukla Dvādaśī, sūryodaya 05:44, sūryāsta 19:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/-0547-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/-0547-05-21","sa":"https://sa.vidhyamitra.com/city/ujjain/-0547-05-21","hi":"https://hi.vidhyamitra.com/city/ujjain/-0547-05-21","x-default":"https://vidhyamitra.com/city/ujjain/-0547-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T13:22:11.134Z","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":"2026-08-10T13:22:11.134Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T13:22:11.134Z","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":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"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"}}}