{"id":"vidhyamitra:city-day:ujjain:-0547-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/-0547-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0547-04-21","date_display":"April 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":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1521376.770833,"kali_year":2555,"ahargana":932911.2708,"sun":{"sidereal_longitude":41.211,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":170.4484,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.2374,"elapsed_within_tithi_degrees":9.2374},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":170.4484,"elapsed_within_degrees":10.4484},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.6594},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":-547,"month":4,"day":21,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1521376.770833,"ahargana":932911.2708,"kali_year":2555,"ayanamsa_lahiri":-11.7225,"grahas":{"sun":{"sidereal_longitude":41.211,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":170.4484,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":4.4234},"mars":{"sidereal_longitude":5.2885,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":18.8243,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":107.4213,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":0.787,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":239.9494,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":69.8714,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":249.8714,"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":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1521376.770833,"kali_year":2555,"ahargana":932911.2708,"sun":{"sidereal_longitude":41.211,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":170.4484,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.2374,"elapsed_within_tithi_degrees":9.2374},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":170.4484,"elapsed_within_degrees":10.4484},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.6594},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.423,"elongation":129.237},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.423,"opposition_distance":50.763}},"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":"06:02","sunsetLocal":"18:49","solarNoonLocal":"12:26","dayLengthHours":12.777495963430642,"dayLengthDisplay":"12 Hours 46 Mins 39 Secs","nightLengthDisplay":"11 Hours 13 Mins 21 Secs","moonriseLocal":"14:46","moonsetLocal":"03:19","rahuKala":{"name":"Rāhu Kāla","start":"10:50","end":"12:26","startHours":10.830457523885133,"endHours":12.427644519313962,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:37","end":"17:13","startHours":15.622018510171625,"endHours":17.219205505600453,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:38","end":"09:14","startHours":7.636083533027472,"endHours":9.233270528456302,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:27","startHours":9.020312262399123,"endHours":9.446228794513479,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:55","startHours":6.571292202741585,"endHours":6.912025428433068,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:51","startHours":12.001727987199608,"endHours":12.853561051428319,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:11","startHours":4.335230409141222,"endHours":5.187063473369932,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"06:02","startHours":4.974105207312755,"endHours":6.038896537598641,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:25","startHours":14.557227179885736,"endHours":15.409060244114444,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.616392501029285,"endHours":19.016392501029284,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:21","startHours":18.816392501029284,"endHours":19.348788166172227,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.566392501029284,"endHours":20.316392501029284,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:51","startHours":24.00172798719961,"endHours":24.85356105142832,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:02","end":"07:38","startHours":6.038896537598641,"endHours":7.636083533027472,"quality":"neutral"},{"name":"Labha","start":"07:38","end":"09:14","startHours":7.636083533027472,"endHours":9.233270528456302,"quality":"auspicious"},{"name":"Amṛta","start":"09:14","end":"10:50","startHours":9.233270528456302,"endHours":10.830457523885133,"quality":"auspicious"},{"name":"Kāla","start":"10:50","end":"12:26","startHours":10.830457523885133,"endHours":12.427644519313962,"quality":"inauspicious"},{"name":"Śubha","start":"12:26","end":"14:01","startHours":12.427644519313962,"endHours":14.024831514742793,"quality":"auspicious"},{"name":"Roga","start":"14:01","end":"15:37","startHours":14.024831514742793,"endHours":15.622018510171625,"quality":"inauspicious"},{"name":"Udveg","start":"15:37","end":"17:13","startHours":15.622018510171625,"endHours":17.219205505600453,"quality":"inauspicious"},{"name":"Chala","start":"17:13","end":"18:49","startHours":17.219205505600453,"endHours":18.816392501029284,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:49","end":"20:13","startHours":18.816392501029284,"endHours":20.219205505600453,"quality":"inauspicious"},{"name":"Udveg","start":"20:13","end":"21:37","startHours":20.219205505600453,"endHours":21.622018510171625,"quality":"inauspicious"},{"name":"Chala","start":"21:37","end":"23:01","startHours":21.622018510171625,"endHours":23.024831514742793,"quality":"neutral"},{"name":"Labha","start":"23:01","end":"00:26","startHours":23.024831514742793,"endHours":24.427644519313965,"quality":"auspicious"},{"name":"Amṛta","start":"00:26","end":"01:50","startHours":24.427644519313965,"endHours":25.830457523885133,"quality":"auspicious"},{"name":"Kāla","start":"01:50","end":"03:14","startHours":25.830457523885133,"endHours":27.233270528456302,"quality":"inauspicious"},{"name":"Śubha","start":"03:14","end":"04:38","startHours":27.233270528456302,"endHours":28.636083533027474,"quality":"auspicious"},{"name":"Roga","start":"04:38","end":"06:02","startHours":28.636083533027474,"endHours":30.038896537598642,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.038896537598641,"endHours":7.038896537598641,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.038896537598641,"endHours":8.038896537598642,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.038896537598642,"endHours":9.038896537598642,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.038896537598642,"endHours":10.038896537598642,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.038896537598642,"endHours":11.038896537598642,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.038896537598642,"endHours":12.038896537598642,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.038896537598642,"endHours":13.038896537598642,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.038896537598642,"endHours":14.038896537598642,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.038896537598642,"endHours":15.038896537598642,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.038896537598642,"endHours":16.038896537598642,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.038896537598642,"endHours":17.038896537598642,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.038896537598642,"endHours":18.038896537598642,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.038896537598642,"endHours":19.038896537598642,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.038896537598642,"endHours":20.038896537598642,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.038896537598642,"endHours":21.038896537598642,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.038896537598642,"endHours":22.038896537598642,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.038896537598642,"endHours":23.038896537598642,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.038896537598642,"endHours":24.038896537598642,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.038896537598642,"endHours":25.038896537598642,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.038896537598642,"endHours":26.038896537598642,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.038896537598642,"endHours":27.038896537598642,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.038896537598642,"endHours":28.038896537598642,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.038896537598642,"endHours":29.038896537598642,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.038896537598642,"endHours":30.038896537598642,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.290488347172976,"eotMinutes":1.1873288411622274,"ayanamsa":-11.7225}},"calendars":{"vikram_samvat":-490,"saka_samvat":-625,"bengali_samvat":-1140,"malayalam_era":-1371,"nanakshahi_year":-2016,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Ekādaśī · Vikram -490 undefined · Śaka -625 undefined"},"festivals":[{"id":"nirjala-ekadashi","name":"Nirjalā Ekādaśī","name_sanskrit":"निर्जला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Strictest Ekādaśī (no water for 24 hours); Bhīma's vrata. Confers fruit of all 24 Ekādaśīs.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Jyeṣṭha"},"precedence":1,"sources":["Mahābhārata, Anuśāsana Parva"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":"Dedicated festival walk for Nirjalā Ekādaśī · Ekādaśī is not live yet; Śukravāra (Friday) — 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 April 21, 548 BCE · Ujjain · Vidhyamitra","description":"April 21, 548 BCE for Ujjain: Śukla Ekādaśī, sūryodaya 06:02, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/-0547-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/-0547-04-21","sa":"https://sa.vidhyamitra.com/city/ujjain/-0547-04-21","hi":"https://hi.vidhyamitra.com/city/ujjain/-0547-04-21","x-default":"https://vidhyamitra.com/city/ujjain/-0547-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T13:51:17.435Z","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":"2026-08-10T13:51:17.435Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T13:51:17.435Z","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"}}}