{"id":"vidhyamitra:city-day:bareilly:1981-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/bareilly/1981-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-20","date_display":"August 20, 1981 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":1981,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444836.770833,"kali_year":5083,"ahargana":1856371.2708,"sun":{"sidereal_longitude":122.7547,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":358.057,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":235.3023,"elapsed_within_tithi_degrees":7.3023},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.057,"elapsed_within_degrees":11.3903},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.8116},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1981,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444836.770833,"ahargana":1856371.2708,"kali_year":5083,"ayanamsa_lahiri":23.5964,"grahas":{"sun":{"sidereal_longitude":123.347914,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":359.423614,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-4.3938},"mars":{"sidereal_longitude":88.28311400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":133.23841400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.09251400000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":158.415214,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":163.46201399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":100.5166,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.5166,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":1981,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444836.770833,"kali_year":5083,"ahargana":1856371.2708,"sun":{"sidereal_longitude":122.7547,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":358.057,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":235.3023,"elapsed_within_tithi_degrees":7.3023},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.057,"elapsed_within_degrees":11.3903},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.8116},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.394,"elongation":124.698},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.394,"opposition_distance":55.302}},"eclipse_window_40days":[{"offset_days":-20,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"city":{"slug":"bareilly","name":"Bareilly, Uttar Pradesh","lat":28.367,"lon":79.4304,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"bareilly","name":"Bareilly, Uttar Pradesh","lat":28.367,"lon":79.4304,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:44","sunsetLocal":"18:47","solarNoonLocal":"12:15","dayLengthHours":13.049311903274138,"dayLengthDisplay":"13 Hours 02 Mins 58 Secs","nightLengthDisplay":"10 Hours 57 Mins 02 Secs","moonriseLocal":"21:37","moonsetLocal":"10:22","rahuKala":{"name":"Rāhu Kāla","start":"13:53","end":"15:31","startHours":13.88663750308477,"endHours":15.517801490994037,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:44","end":"07:22","startHours":5.730817563538434,"endHours":7.361981551447701,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:00","end":"10:37","startHours":8.993145539356968,"endHours":10.624309527266234,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:13","startHours":8.775657007635733,"endHours":9.210634071078204,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:37","startHours":6.274538892841523,"endHours":6.6225205435955,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:41","startHours":11.820496451733032,"endHours":12.690450578617973,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:59","end":"04:52","startHours":3.990909309768549,"endHours":4.860863436653491,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:44","startHours":4.643374904932255,"endHours":5.730817563538434,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.43035883238786,"endHours":15.300312959272803,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.580129466812572,"endHours":18.98012946681257,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:19","startHours":18.78012946681257,"endHours":19.32385079611566,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.53012946681257,"endHours":20.28012946681257,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:41","startHours":23.82049645173303,"endHours":24.690450578617973,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:44","end":"07:22","startHours":5.730817563538434,"endHours":7.361981551447701,"quality":"auspicious"},{"name":"Roga","start":"07:22","end":"09:00","startHours":7.361981551447701,"endHours":8.993145539356968,"quality":"inauspicious"},{"name":"Udveg","start":"09:00","end":"10:37","startHours":8.993145539356968,"endHours":10.624309527266234,"quality":"inauspicious"},{"name":"Chala","start":"10:37","end":"12:15","startHours":10.624309527266234,"endHours":12.255473515175503,"quality":"neutral"},{"name":"Labha","start":"12:15","end":"13:53","startHours":12.255473515175503,"endHours":13.88663750308477,"quality":"auspicious"},{"name":"Amṛta","start":"13:53","end":"15:31","startHours":13.88663750308477,"endHours":15.517801490994037,"quality":"auspicious"},{"name":"Kāla","start":"15:31","end":"17:09","startHours":15.517801490994037,"endHours":17.148965478903303,"quality":"inauspicious"},{"name":"Śubha","start":"17:09","end":"18:47","startHours":17.148965478903303,"endHours":18.78012946681257,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:47","end":"20:09","startHours":18.78012946681257,"endHours":20.148965478903303,"quality":"auspicious"},{"name":"Kāla","start":"20:09","end":"21:31","startHours":20.148965478903303,"endHours":21.51780149099404,"quality":"inauspicious"},{"name":"Śubha","start":"21:31","end":"22:53","startHours":21.51780149099404,"endHours":22.88663750308477,"quality":"auspicious"},{"name":"Roga","start":"22:53","end":"00:15","startHours":22.88663750308477,"endHours":24.255473515175503,"quality":"inauspicious"},{"name":"Udveg","start":"00:15","end":"01:37","startHours":24.255473515175503,"endHours":25.624309527266234,"quality":"inauspicious"},{"name":"Chala","start":"01:37","end":"03:00","startHours":25.624309527266234,"endHours":26.993145539356966,"quality":"neutral"},{"name":"Labha","start":"03:00","end":"04:22","startHours":26.993145539356966,"endHours":28.361981551447702,"quality":"auspicious"},{"name":"Amṛta","start":"04:22","end":"05:44","startHours":28.361981551447702,"endHours":29.730817563538434,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.730817563538434,"endHours":6.730817563538434,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.730817563538434,"endHours":7.730817563538434,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.730817563538434,"endHours":8.730817563538434,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.730817563538434,"endHours":9.730817563538434,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.730817563538434,"endHours":10.730817563538434,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.730817563538434,"endHours":11.730817563538434,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.730817563538434,"endHours":12.730817563538434,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.730817563538434,"endHours":13.730817563538434,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.730817563538434,"endHours":14.730817563538434,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.730817563538434,"endHours":15.730817563538434,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.730817563538434,"endHours":16.730817563538434,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.730817563538434,"endHours":17.730817563538434,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.730817563538434,"endHours":18.730817563538434,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.730817563538434,"endHours":19.730817563538434,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.730817563538434,"endHours":20.730817563538434,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.730817563538434,"endHours":21.730817563538434,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.730817563538434,"endHours":22.730817563538434,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.730817563538434,"endHours":23.730817563538434,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.730817563538434,"endHours":24.730817563538434,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.730817563538434,"endHours":25.730817563538434,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.730817563538434,"endHours":26.730817563538434,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.730817563538434,"endHours":27.730817563538434,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.730817563538434,"endHours":28.730817563538434,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.730817563538434,"endHours":29.730817563538434,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.529644579509892,"eotMinutes":-3.0500109105302213,"ayanamsa":23.5964}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pañcamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"bareilly"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 20, 1981 CE · Bareilly, Uttar Pradesh · Vidhyamitra","description":"August 20, 1981 CE for Bareilly, Uttar Pradesh: Kṛṣṇa Pañcamī, sūryodaya 05:44, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/bareilly/1981-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/bareilly/1981-08-20","sa":"https://sa.vidhyamitra.com/city/bareilly/1981-08-20","hi":"https://hi.vidhyamitra.com/city/bareilly/1981-08-20","x-default":"https://vidhyamitra.com/city/bareilly/1981-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T18:41:38.074Z","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":"2026-05-18T18:41:38.074Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T18:41:38.074Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}