{"id":"vidhyamitra:city-day:ujjain:1815-04-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/1815-04-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-04-11","date_display":"April 11, 1815 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":1815,"month":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384074.770833,"kali_year":4916,"ahargana":1795609.2708,"sun":{"sidereal_longitude":359.5771,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":14.6068,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.0297,"elapsed_within_tithi_degrees":3.0297},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":14.6068,"elapsed_within_degrees":1.2735},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.1839},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":1815,"month":4,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384074.770833,"ahargana":1795609.2708,"kali_year":4916,"ayanamsa_lahiri":21.2725,"grahas":{"sun":{"sidereal_longitude":359.011869,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":14.445469000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-4.0899},"mars":{"sidereal_longitude":289.054169,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":334.10776899999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":164.01036899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":26.969268999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":291.48246900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":79.9798,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.9798,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"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":1815,"month":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384074.770833,"kali_year":4916,"ahargana":1795609.2708,"sun":{"sidereal_longitude":359.5771,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":14.6068,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.0297,"elapsed_within_tithi_degrees":3.0297},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":14.6068,"elapsed_within_degrees":1.2735},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.1839},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.09,"elongation":15.03},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.09,"opposition_distance":164.97}},"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":"06:11","sunsetLocal":"18:46","solarNoonLocal":"12:28","dayLengthHours":12.577841368602925,"dayLengthDisplay":"12 Hours 34 Mins 40 Secs","nightLengthDisplay":"11 Hours 25 Mins 20 Secs","moonriseLocal":"07:04","moonsetLocal":"19:56","rahuKala":{"name":"Rāhu Kāla","start":"15:37","end":"17:11","startHours":15.613938457825348,"endHours":17.186168628900713,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:20","end":"10:54","startHours":9.325017773523886,"endHours":10.89724794459925,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:28","end":"14:03","startHours":12.469478115674615,"endHours":14.041708286749982,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:32","startHours":9.11538708404717,"endHours":9.5346484630006,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:02","startHours":6.704634155064942,"endHours":7.040043258227686,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:53","startHours":12.050216736721184,"endHours":12.888739494628046,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:21","startHours":4.5035119155594305,"endHours":5.342034673466292,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:11","startHours":5.132403983989576,"endHours":6.1805574313731535,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:24","startHours":14.565785010441772,"endHours":15.404307768348634,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.55839879997608,"endHours":18.958398799976077,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:17","startHours":18.758398799976078,"endHours":19.282475523667866,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.508398799976078,"endHours":20.258398799976078,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:53","startHours":24.050216736721186,"endHours":24.888739494628044,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:11","end":"07:45","startHours":6.1805574313731535,"endHours":7.752787602448519,"quality":"inauspicious"},{"name":"Udveg","start":"07:45","end":"09:20","startHours":7.752787602448519,"endHours":9.325017773523886,"quality":"inauspicious"},{"name":"Chala","start":"09:20","end":"10:54","startHours":9.325017773523886,"endHours":10.89724794459925,"quality":"neutral"},{"name":"Labha","start":"10:54","end":"12:28","startHours":10.89724794459925,"endHours":12.469478115674615,"quality":"auspicious"},{"name":"Amṛta","start":"12:28","end":"14:03","startHours":12.469478115674615,"endHours":14.041708286749982,"quality":"auspicious"},{"name":"Kāla","start":"14:03","end":"15:37","startHours":14.041708286749982,"endHours":15.613938457825348,"quality":"inauspicious"},{"name":"Śubha","start":"15:37","end":"17:11","startHours":15.613938457825348,"endHours":17.186168628900713,"quality":"auspicious"},{"name":"Roga","start":"17:11","end":"18:46","startHours":17.186168628900713,"endHours":18.758398799976078,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:46","end":"20:11","startHours":18.758398799976078,"endHours":20.186168628900713,"quality":"inauspicious"},{"name":"Śubha","start":"20:11","end":"21:37","startHours":20.186168628900713,"endHours":21.61393845782535,"quality":"auspicious"},{"name":"Roga","start":"21:37","end":"23:03","startHours":21.61393845782535,"endHours":23.04170828674998,"quality":"inauspicious"},{"name":"Udveg","start":"23:03","end":"00:28","startHours":23.04170828674998,"endHours":24.469478115674615,"quality":"inauspicious"},{"name":"Chala","start":"00:28","end":"01:54","startHours":24.469478115674615,"endHours":25.89724794459925,"quality":"neutral"},{"name":"Labha","start":"01:54","end":"03:20","startHours":25.89724794459925,"endHours":27.325017773523882,"quality":"auspicious"},{"name":"Amṛta","start":"03:20","end":"04:45","startHours":27.325017773523882,"endHours":28.752787602448517,"quality":"auspicious"},{"name":"Kāla","start":"04:45","end":"06:11","startHours":28.752787602448517,"endHours":30.180557431373153,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.1805574313731535,"endHours":7.1805574313731535,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.1805574313731535,"endHours":8.180557431373153,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.180557431373153,"endHours":9.180557431373153,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.180557431373153,"endHours":10.180557431373153,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.180557431373153,"endHours":11.180557431373153,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.180557431373153,"endHours":12.180557431373153,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.180557431373153,"endHours":13.180557431373153,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.180557431373153,"endHours":14.180557431373153,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.180557431373153,"endHours":15.180557431373153,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.180557431373153,"endHours":16.180557431373153,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.180557431373153,"endHours":17.180557431373153,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.180557431373153,"endHours":18.180557431373153,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.180557431373153,"endHours":19.180557431373153,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.180557431373153,"endHours":20.180557431373153,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.180557431373153,"endHours":21.180557431373153,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.180557431373153,"endHours":22.180557431373153,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.180557431373153,"endHours":23.180557431373153,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.180557431373153,"endHours":24.180557431373153,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.180557431373153,"endHours":25.180557431373153,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.180557431373153,"endHours":26.180557431373153,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.180557431373153,"endHours":27.180557431373153,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.180557431373153,"endHours":28.180557431373153,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.180557431373153,"endHours":29.180557431373153,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.180557431373153,"endHours":30.180557431373153,"planetary_lord":"Saturn"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Mudgara","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":7.9255249328450725,"eotMinutes":-1.322686940476858,"ayanamsa":21.2725}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","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":"Caitra Śukla Dvitīyā · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"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":"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":"Dedicated festival walk for Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu) · Baisakhi (Vaiśākhī) is not live yet; Maṅgalavāra (Tuesday) — 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 11, 1815 CE · Ujjain · Vidhyamitra","description":"April 11, 1815 CE for Ujjain: Śukla Dvitīyā, sūryodaya 06:11, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/1815-04-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/1815-04-11","sa":"https://sa.vidhyamitra.com/city/ujjain/1815-04-11","hi":"https://hi.vidhyamitra.com/city/ujjain/1815-04-11","x-default":"https://vidhyamitra.com/city/ujjain/1815-04-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T10:38:48.060Z","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":"2026-09-06T10:38:48.060Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T10:38:48.060Z","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"}}}