{"id":"vidhyamitra:city-day:vrindavan:2012-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2012-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-04-18","date_display":"April 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":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456035.770833,"kali_year":5114,"ahargana":1867570.2708,"sun":{"sidereal_longitude":4.4772,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":327.1693,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.6922,"elapsed_within_tithi_degrees":10.6922},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.1693,"elapsed_within_degrees":7.1693},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.6465},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456035.770833,"ahargana":1867570.2708,"kali_year":5114,"ayanamsa_lahiri":24.0248,"grahas":{"sun":{"sidereal_longitude":4.387929999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":328.36343,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":4.4311},"mars":{"sidereal_longitude":129.54663,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":336.80433,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":22.935029999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":48.03652999999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":181.73892999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":227.1397,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.1397,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":"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":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456035.770833,"kali_year":5114,"ahargana":1867570.2708,"sun":{"sidereal_longitude":4.4772,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":327.1693,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.6922,"elapsed_within_tithi_degrees":10.6922},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.1693,"elapsed_within_degrees":7.1693},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.6465},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.431,"elongation":37.308},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.431,"opposition_distance":142.692}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:52","sunsetLocal":"18:46","solarNoonLocal":"12:19","dayLengthHours":12.898245576747922,"dayLengthDisplay":"12 Hours 53 Mins 54 Secs","nightLengthDisplay":"11 Hours 06 Mins 06 Secs","moonriseLocal":"03:58","moonsetLocal":"15:51","rahuKala":{"name":"Rāhu Kāla","start":"12:19","end":"13:56","startHours":12.314281951735277,"endHours":13.926562648828767,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:29","end":"09:05","startHours":7.4774398604548065,"endHours":9.089720557548297,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:42","end":"12:19","startHours":10.702001254641786,"endHours":12.314281951735277,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.87474979793583,"endHours":9.304691317160762,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.402586062392479,"endHours":6.746539277772424,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.884340432510346,"endHours":12.744223470960208,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:00","startHours":4.145393086461593,"endHours":5.005276124911454,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:47","end":"05:52","startHours":4.790305365298989,"endHours":5.865159163361316,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.463989547859931,"endHours":15.323872586309793,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.563404740109238,"endHours":18.963404740109237,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:18","startHours":18.763404740109237,"endHours":19.3008316391404,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.513404740109237,"endHours":20.263404740109237,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.884340432510346,"endHours":24.744223470960204,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:52","end":"07:29","startHours":5.865159163361316,"endHours":7.4774398604548065,"quality":"auspicious"},{"name":"Amṛta","start":"07:29","end":"09:05","startHours":7.4774398604548065,"endHours":9.089720557548297,"quality":"auspicious"},{"name":"Kāla","start":"09:05","end":"10:42","startHours":9.089720557548297,"endHours":10.702001254641786,"quality":"inauspicious"},{"name":"Śubha","start":"10:42","end":"12:19","startHours":10.702001254641786,"endHours":12.314281951735277,"quality":"auspicious"},{"name":"Roga","start":"12:19","end":"13:56","startHours":12.314281951735277,"endHours":13.926562648828767,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:32","startHours":13.926562648828767,"endHours":15.538843345922256,"quality":"inauspicious"},{"name":"Chala","start":"15:32","end":"17:09","startHours":15.538843345922256,"endHours":17.15112404301575,"quality":"neutral"},{"name":"Labha","start":"17:09","end":"18:46","startHours":17.15112404301575,"endHours":18.763404740109237,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:46","end":"20:09","startHours":18.763404740109237,"endHours":20.15112404301575,"quality":"inauspicious"},{"name":"Chala","start":"20:09","end":"21:32","startHours":20.15112404301575,"endHours":21.538843345922256,"quality":"neutral"},{"name":"Labha","start":"21:32","end":"22:56","startHours":21.538843345922256,"endHours":22.926562648828767,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:19","startHours":22.926562648828767,"endHours":24.314281951735275,"quality":"auspicious"},{"name":"Kāla","start":"00:19","end":"01:42","startHours":24.314281951735275,"endHours":25.702001254641786,"quality":"inauspicious"},{"name":"Śubha","start":"01:42","end":"03:05","startHours":25.702001254641786,"endHours":27.089720557548297,"quality":"auspicious"},{"name":"Roga","start":"03:05","end":"04:29","startHours":27.089720557548297,"endHours":28.47743986045481,"quality":"inauspicious"},{"name":"Udveg","start":"04:29","end":"05:52","startHours":28.47743986045481,"endHours":29.865159163361316,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.865159163361316,"endHours":6.865159163361316,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.865159163361316,"endHours":7.865159163361316,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.865159163361316,"endHours":8.865159163361316,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.865159163361316,"endHours":9.865159163361316,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.865159163361316,"endHours":10.865159163361316,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.865159163361316,"endHours":11.865159163361316,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.865159163361316,"endHours":12.865159163361316,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.865159163361316,"endHours":13.865159163361316,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.865159163361316,"endHours":14.865159163361316,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.865159163361316,"endHours":15.865159163361316,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.865159163361316,"endHours":16.865159163361316,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.865159163361316,"endHours":17.865159163361316,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.865159163361316,"endHours":18.865159163361316,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.865159163361316,"endHours":19.865159163361316,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.865159163361316,"endHours":20.865159163361316,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.865159163361316,"endHours":21.865159163361316,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.865159163361316,"endHours":22.865159163361316,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.865159163361316,"endHours":23.865159163361316,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.865159163361316,"endHours":24.865159163361316,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.865159163361316,"endHours":25.865159163361316,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.865159163361316,"endHours":26.865159163361316,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.865159163361316,"endHours":27.865159163361316,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.865159163361316,"endHours":28.865159163361316,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.865159163361316,"endHours":29.865159163361316,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.908955031123353,"eotMinutes":0.5058828958834352,"ayanamsa":24.0248}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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":"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":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 18, 2012 CE · Vṛndāvana · Vidhyamitra","description":"April 18, 2012 CE for Vṛndāvana: Kṛṣṇa Dvādaśī, sūryodaya 05:52, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2012-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2012-04-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/2012-04-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/2012-04-18","x-default":"https://vidhyamitra.com/city/vrindavan/2012-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:39:10.440Z","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":"2026-05-15T16:39:10.440Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:39:10.440Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}