{"id":"vidhyamitra:city-day:ujjain:2012-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/2012-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-18","date_display":"February 18, 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":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455975.770833,"kali_year":5113,"ahargana":1867510.2708,"sun":{"sidereal_longitude":304.8371,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":257.4884,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":312.6512,"elapsed_within_tithi_degrees":0.6512},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.4884,"elapsed_within_degrees":4.155},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.3255},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455975.770833,"ahargana":1867510.2708,"kali_year":5113,"ayanamsa_lahiri":24.0225,"grahas":{"sun":{"sidereal_longitude":304.75512200000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":257.258422,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":2.0531},"mars":{"sidereal_longitude":144.835222,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":313.08922200000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":10.801021999999989,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":347.242822,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":185.13532199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":230.3188,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":50.3188,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":"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":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455975.770833,"kali_year":5113,"ahargana":1867510.2708,"sun":{"sidereal_longitude":304.8371,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":257.4884,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":312.6512,"elapsed_within_tithi_degrees":0.6512},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.4884,"elapsed_within_degrees":4.155},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.3255},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.053,"elongation":47.349},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.053,"opposition_distance":132.651}},"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":"06:58","sunsetLocal":"18:24","solarNoonLocal":"12:41","dayLengthHours":11.43385507398451,"dayLengthDisplay":"11 Hours 26 Mins 02 Secs","nightLengthDisplay":"12 Hours 33 Mins 58 Secs","moonriseLocal":"04:10","moonsetLocal":"14:52","rahuKala":{"name":"Rāhu Kāla","start":"09:50","end":"11:16","startHours":9.829550835043879,"endHours":11.258782719291942,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:33","startHours":14.11724648778807,"endHours":15.546478372036134,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:58","end":"08:24","startHours":6.97108706654775,"endHours":8.400318950795814,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:01","startHours":9.638986583810802,"endHours":10.020115086276952,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:45","startHours":7.447497694630438,"endHours":7.752400496603358,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:04","startHours":12.306886101073854,"endHours":13.069143106006155,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:13","startHours":5.446573056683149,"endHours":6.2088300616154495,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:58","startHours":6.018265810382374,"endHours":6.97108706654775,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:21","startHours":14.593657115870757,"endHours":15.355914120803057,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.20494214053226,"endHours":18.60494214053226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:53","startHours":18.40494214053226,"endHours":18.88135276861495,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.15494214053226,"endHours":19.90494214053226,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:04","startHours":24.306886101073854,"endHours":25.069143106006155,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:58","end":"08:24","startHours":6.97108706654775,"endHours":8.400318950795814,"quality":"inauspicious"},{"name":"Śubha","start":"08:24","end":"09:50","startHours":8.400318950795814,"endHours":9.829550835043879,"quality":"auspicious"},{"name":"Roga","start":"09:50","end":"11:16","startHours":9.829550835043879,"endHours":11.258782719291942,"quality":"inauspicious"},{"name":"Udveg","start":"11:16","end":"12:41","startHours":11.258782719291942,"endHours":12.688014603540005,"quality":"inauspicious"},{"name":"Chala","start":"12:41","end":"14:07","startHours":12.688014603540005,"endHours":14.11724648778807,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:33","startHours":14.11724648778807,"endHours":15.546478372036134,"quality":"auspicious"},{"name":"Amṛta","start":"15:33","end":"16:59","startHours":15.546478372036134,"endHours":16.975710256284195,"quality":"auspicious"},{"name":"Kāla","start":"16:59","end":"18:24","startHours":16.975710256284195,"endHours":18.40494214053226,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:24","end":"19:59","startHours":18.40494214053226,"endHours":19.975710256284195,"quality":"auspicious"},{"name":"Amṛta","start":"19:59","end":"21:33","startHours":19.975710256284195,"endHours":21.546478372036134,"quality":"auspicious"},{"name":"Kāla","start":"21:33","end":"23:07","startHours":21.546478372036134,"endHours":23.11724648778807,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:41","startHours":23.11724648778807,"endHours":24.688014603540005,"quality":"auspicious"},{"name":"Roga","start":"00:41","end":"02:16","startHours":24.688014603540005,"endHours":26.25878271929194,"quality":"inauspicious"},{"name":"Udveg","start":"02:16","end":"03:50","startHours":26.25878271929194,"endHours":27.829550835043875,"quality":"inauspicious"},{"name":"Chala","start":"03:50","end":"05:24","startHours":27.829550835043875,"endHours":29.400318950795814,"quality":"neutral"},{"name":"Labha","start":"05:24","end":"06:58","startHours":29.400318950795814,"endHours":30.97108706654775,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.97108706654775,"endHours":7.97108706654775,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.97108706654775,"endHours":8.97108706654775,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.97108706654775,"endHours":9.97108706654775,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.97108706654775,"endHours":10.97108706654775,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.97108706654775,"endHours":11.97108706654775,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.97108706654775,"endHours":12.97108706654775,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.97108706654775,"endHours":13.97108706654775,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.97108706654775,"endHours":14.97108706654775,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.97108706654775,"endHours":15.97108706654775,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.97108706654775,"endHours":16.97108706654775,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.97108706654775,"endHours":17.97108706654775,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.97108706654775,"endHours":18.97108706654775,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.97108706654775,"endHours":19.97108706654775,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.97108706654775,"endHours":20.97108706654775,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.97108706654775,"endHours":21.97108706654775,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.97108706654775,"endHours":22.97108706654775,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.97108706654775,"endHours":23.97108706654775,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.97108706654775,"endHours":24.97108706654775,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.97108706654775,"endHours":25.97108706654775,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.97108706654775,"endHours":26.97108706654775,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.97108706654775,"endHours":27.97108706654775,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.97108706654775,"endHours":28.97108706654775,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.97108706654775,"endHours":29.97108706654775,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.97108706654775,"endHours":30.97108706654775,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.897940687464159,"eotMinutes":-14.434876212400278,"ayanamsa":24.0225}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 February 18, 2012 CE · Ujjain · Vidhyamitra","description":"February 18, 2012 CE for Ujjain: Kṛṣṇa Dvādaśī, sūryodaya 06:58, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/2012-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/2012-02-18","sa":"https://sa.vidhyamitra.com/city/ujjain/2012-02-18","hi":"https://hi.vidhyamitra.com/city/ujjain/2012-02-18","x-default":"https://vidhyamitra.com/city/ujjain/2012-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:07:28.070Z","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":"2026-06-01T13:07:28.070Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:07:28.070Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}