{"id":"vidhyamitra:city-day:lucknow:2001-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2001-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-05-20","date_display":"May 20, 2001 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":2001,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452049.770833,"kali_year":5103,"ahargana":1863584.2708,"sun":{"sidereal_longitude":35.1845,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":356.6958,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.5112,"elapsed_within_tithi_degrees":9.5112},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.6958,"elapsed_within_degrees":10.0291},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.8803},"karana":{"half_tithi_index":53,"name":"Taitila"},"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":2001,"month":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452049.770833,"ahargana":1863584.2708,"kali_year":5103,"ayanamsa_lahiri":23.8723,"grahas":{"sun":{"sidereal_longitude":35.235524,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":357.263924,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-4.4521},"mars":{"sidereal_longitude":244.65442400000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":57.53122400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":53.74882400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":351.044624,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":39.729423999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":78.3371,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":258.3371,"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":"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":2001,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452049.770833,"kali_year":5103,"ahargana":1863584.2708,"sun":{"sidereal_longitude":35.1845,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":356.6958,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.5112,"elapsed_within_tithi_degrees":9.5112},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.6958,"elapsed_within_degrees":10.0291},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.8803},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.452,"elongation":38.489},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.452,"opposition_distance":141.511}},"eclipse_window_40days":[]},"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:16","sunsetLocal":"18:49","solarNoonLocal":"12:03","dayLengthHours":13.547059121505054,"dayLengthDisplay":"13 Hours 32 Mins 49 Secs","nightLengthDisplay":"10 Hours 27 Mins 11 Secs","moonriseLocal":"03:11","moonsetLocal":"15:50","rahuKala":{"name":"Rāhu Kāla","start":"17:07","end":"18:49","startHours":17.123761953627977,"endHours":18.817144343816107,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:03","end":"13:44","startHours":12.043614783063582,"endHours":13.736997173251712,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:26","end":"17:07","startHours":15.430379563439843,"endHours":17.123761953627977,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:26","end":"08:53","startHours":8.431065683995566,"endHours":8.882634321379069,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:12","startHours":5.834546019040431,"endHours":6.195800928947232,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:30","startHours":11.592046145680078,"endHours":12.495183420447082,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:22","startHours":3.463810672777047,"endHours":4.36694794754405,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:16","startHours":4.1411636288523,"endHours":5.270085222311054,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:12","startHours":14.30145796998109,"endHours":15.204595244748093,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.617144343816108,"endHours":19.017144343816106,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:23","startHours":18.817144343816107,"endHours":19.381605140545485,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.567144343816107,"endHours":20.317144343816107,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:30","startHours":23.59204614568008,"endHours":24.495183420447084,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:16","end":"06:58","startHours":5.270085222311054,"endHours":6.963467612499185,"quality":"inauspicious"},{"name":"Chala","start":"06:58","end":"08:39","startHours":6.963467612499185,"endHours":8.656850002687317,"quality":"neutral"},{"name":"Labha","start":"08:39","end":"10:21","startHours":8.656850002687317,"endHours":10.350232392875448,"quality":"auspicious"},{"name":"Amṛta","start":"10:21","end":"12:03","startHours":10.350232392875448,"endHours":12.043614783063582,"quality":"auspicious"},{"name":"Kāla","start":"12:03","end":"13:44","startHours":12.043614783063582,"endHours":13.736997173251712,"quality":"inauspicious"},{"name":"Śubha","start":"13:44","end":"15:26","startHours":13.736997173251712,"endHours":15.430379563439843,"quality":"auspicious"},{"name":"Roga","start":"15:26","end":"17:07","startHours":15.430379563439843,"endHours":17.123761953627977,"quality":"inauspicious"},{"name":"Udveg","start":"17:07","end":"18:49","startHours":17.123761953627977,"endHours":18.817144343816107,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:49","end":"20:07","startHours":18.817144343816107,"endHours":20.123761953627977,"quality":"auspicious"},{"name":"Roga","start":"20:07","end":"21:26","startHours":20.123761953627977,"endHours":21.430379563439843,"quality":"inauspicious"},{"name":"Udveg","start":"21:26","end":"22:44","startHours":21.430379563439843,"endHours":22.736997173251712,"quality":"inauspicious"},{"name":"Chala","start":"22:44","end":"00:03","startHours":22.736997173251712,"endHours":24.043614783063582,"quality":"neutral"},{"name":"Labha","start":"00:03","end":"01:21","startHours":24.043614783063582,"endHours":25.350232392875448,"quality":"auspicious"},{"name":"Amṛta","start":"01:21","end":"02:39","startHours":25.350232392875448,"endHours":26.656850002687317,"quality":"auspicious"},{"name":"Kāla","start":"02:39","end":"03:58","startHours":26.656850002687317,"endHours":27.963467612499187,"quality":"inauspicious"},{"name":"Śubha","start":"03:58","end":"05:16","startHours":27.963467612499187,"endHours":29.270085222311053,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.270085222311054,"endHours":6.270085222311054,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.270085222311054,"endHours":7.270085222311054,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.270085222311054,"endHours":8.270085222311053,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.270085222311053,"endHours":9.270085222311053,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.270085222311053,"endHours":10.270085222311053,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.270085222311053,"endHours":11.270085222311053,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.270085222311053,"endHours":12.270085222311053,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.270085222311053,"endHours":13.270085222311053,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.270085222311053,"endHours":14.270085222311053,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.270085222311053,"endHours":15.270085222311053,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.270085222311053,"endHours":16.270085222311053,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.270085222311053,"endHours":17.270085222311053,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.270085222311053,"endHours":18.270085222311053,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.270085222311053,"endHours":19.270085222311053,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.270085222311053,"endHours":20.270085222311053,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.270085222311053,"endHours":21.270085222311053,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.270085222311053,"endHours":22.270085222311053,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.270085222311053,"endHours":23.270085222311053,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.270085222311053,"endHours":24.270085222311053,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.270085222311053,"endHours":25.270085222311053,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.270085222311053,"endHours":26.270085222311053,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.270085222311053,"endHours":27.270085222311053,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.270085222311053,"endHours":28.270085222311053,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.270085222311053,"endHours":29.270085222311053,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.95659400032875,"eotMinutes":3.5983130161851964,"ayanamsa":23.8723}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","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 Kṛṣṇa Dvādaśī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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":false,"location_specific":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 20, 2001 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"May 20, 2001 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Dvādaśī, sūryodaya 05:16, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2001-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2001-05-20","sa":"https://sa.vidhyamitra.com/city/lucknow/2001-05-20","hi":"https://hi.vidhyamitra.com/city/lucknow/2001-05-20","x-default":"https://vidhyamitra.com/city/lucknow/2001-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:08:42.058Z","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":"2026-05-31T06:08:42.058Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:08:42.058Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}