{"id":"vidhyamitra:city-day:noida:1981-04-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/1981-04-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-04-22","date_display":"April 22, 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":4,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444716.770833,"kali_year":5083,"ahargana":1856251.2708,"sun":{"sidereal_longitude":8.3869,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":220.9094,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":212.5225,"elapsed_within_tithi_degrees":8.5225},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.9094,"elapsed_within_degrees":7.5761},"yoga":{"number":18,"name":"Varīyān","sum_longitude":229.2963},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":1981,"month":4,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444716.770833,"ahargana":1856251.2708,"kali_year":5083,"ayanamsa_lahiri":23.5918,"grahas":{"sun":{"sidereal_longitude":8.241599000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":217.816999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":4.1091},"mars":{"sidereal_longitude":4.205299000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":2.0162990000000036,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":158.83729900000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":12.305098999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":160.72039900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":106.8748,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":286.8748,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":4,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444716.770833,"kali_year":5083,"ahargana":1856251.2708,"sun":{"sidereal_longitude":8.3869,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":220.9094,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":212.5225,"elapsed_within_tithi_degrees":8.5225},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.9094,"elapsed_within_degrees":7.5761},"yoga":{"number":18,"name":"Varīyān","sum_longitude":229.2963},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.109,"elongation":147.478},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.109,"opposition_distance":32.522}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:48","sunsetLocal":"18:50","solarNoonLocal":"12:19","dayLengthHours":13.02363664849935,"dayLengthDisplay":"13 Hours 01 Mins 25 Secs","nightLengthDisplay":"10 Hours 58 Mins 35 Secs","moonriseLocal":"21:01","moonsetLocal":"07:33","rahuKala":{"name":"Rāhu Kāla","start":"12:19","end":"13:57","startHours":12.317283195594143,"endHours":13.945237776656562,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:26","end":"09:04","startHours":7.433419452406886,"endHours":9.061374033469304,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:41","end":"12:19","startHours":10.689328614531725,"endHours":12.317283195594143,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.844313422660981,"endHours":9.278434644277628,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:42","startHours":6.348116398365274,"endHours":6.69541337565859,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.883161973977499,"endHours":12.751404417210788,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:56","startHours":4.068979984877887,"endHours":4.937222428111177,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:48","startHours":4.720161817302855,"endHours":5.805464871344467,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:21","startHours":14.487889303677369,"endHours":15.356131746910659,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.629101519843818,"endHours":19.029101519843817,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:22","startHours":18.829101519843817,"endHours":19.371753046864622,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.579101519843817,"endHours":20.329101519843817,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.883161973977497,"endHours":24.75140441721079,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:48","end":"07:26","startHours":5.805464871344467,"endHours":7.433419452406886,"quality":"auspicious"},{"name":"Amṛta","start":"07:26","end":"09:04","startHours":7.433419452406886,"endHours":9.061374033469304,"quality":"auspicious"},{"name":"Kāla","start":"09:04","end":"10:41","startHours":9.061374033469304,"endHours":10.689328614531725,"quality":"inauspicious"},{"name":"Śubha","start":"10:41","end":"12:19","startHours":10.689328614531725,"endHours":12.317283195594143,"quality":"auspicious"},{"name":"Roga","start":"12:19","end":"13:57","startHours":12.317283195594143,"endHours":13.945237776656562,"quality":"inauspicious"},{"name":"Udveg","start":"13:57","end":"15:34","startHours":13.945237776656562,"endHours":15.57319235771898,"quality":"inauspicious"},{"name":"Chala","start":"15:34","end":"17:12","startHours":15.57319235771898,"endHours":17.2011469387814,"quality":"neutral"},{"name":"Labha","start":"17:12","end":"18:50","startHours":17.2011469387814,"endHours":18.829101519843817,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:50","end":"20:12","startHours":18.829101519843817,"endHours":20.2011469387814,"quality":"inauspicious"},{"name":"Chala","start":"20:12","end":"21:34","startHours":20.2011469387814,"endHours":21.57319235771898,"quality":"neutral"},{"name":"Labha","start":"21:34","end":"22:57","startHours":21.57319235771898,"endHours":22.945237776656562,"quality":"auspicious"},{"name":"Amṛta","start":"22:57","end":"00:19","startHours":22.945237776656562,"endHours":24.317283195594143,"quality":"auspicious"},{"name":"Kāla","start":"00:19","end":"01:41","startHours":24.317283195594143,"endHours":25.689328614531725,"quality":"inauspicious"},{"name":"Śubha","start":"01:41","end":"03:04","startHours":25.689328614531725,"endHours":27.061374033469306,"quality":"auspicious"},{"name":"Roga","start":"03:04","end":"04:26","startHours":27.061374033469306,"endHours":28.433419452406888,"quality":"inauspicious"},{"name":"Udveg","start":"04:26","end":"05:48","startHours":28.433419452406888,"endHours":29.80546487134447,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.805464871344467,"endHours":6.805464871344467,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.805464871344467,"endHours":7.805464871344467,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.805464871344467,"endHours":8.805464871344467,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.805464871344467,"endHours":9.805464871344467,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.805464871344467,"endHours":10.805464871344467,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.805464871344467,"endHours":11.805464871344467,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.805464871344467,"endHours":12.805464871344467,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.805464871344467,"endHours":13.805464871344467,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.805464871344467,"endHours":14.805464871344467,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.805464871344467,"endHours":15.805464871344467,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.805464871344467,"endHours":16.80546487134447,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.80546487134447,"endHours":17.80546487134447,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.80546487134447,"endHours":18.80546487134447,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.80546487134447,"endHours":19.80546487134447,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.80546487134447,"endHours":20.80546487134447,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.80546487134447,"endHours":21.80546487134447,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.80546487134447,"endHours":22.80546487134447,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.80546487134447,"endHours":23.80546487134447,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.80546487134447,"endHours":24.80546487134447,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.80546487134447,"endHours":25.80546487134447,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.80546487134447,"endHours":26.80546487134447,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.80546487134447,"endHours":27.80546487134447,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.80546487134447,"endHours":28.80546487134447,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.80546487134447,"endHours":29.80546487134447,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.10971989402294,"eotMinutes":1.3990082643513926,"ayanamsa":23.5918}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Tṛtīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":"noida"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 22, 1981 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"April 22, 1981 CE for Noida, Uttar Pradesh: Kṛṣṇa Tṛtīyā, sūryodaya 05:48, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/1981-04-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/1981-04-22","sa":"https://sa.vidhyamitra.com/city/noida/1981-04-22","hi":"https://hi.vidhyamitra.com/city/noida/1981-04-22","x-default":"https://vidhyamitra.com/city/noida/1981-04-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:16:41.554Z","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":"2026-05-31T02:16:41.554Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:16:41.554Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}