{"id":"vidhyamitra:city-day:lucknow:1981-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/1981-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-21","date_display":"January 21, 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":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444625.770833,"kali_year":5082,"ahargana":1856160.2708,"sun":{"sidereal_longitude":277.313,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":108.0307,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.7177,"elapsed_within_tithi_degrees":10.7177},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.0307,"elapsed_within_degrees":1.3641},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.3437},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444625.770833,"ahargana":1856160.2708,"kali_year":5082,"ayanamsa_lahiri":23.5884,"grahas":{"sun":{"sidereal_longitude":277.32967600000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":106.23667599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false,"latitude":-0.2874},"mars":{"sidereal_longitude":293.34787600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":290.808576,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.82817599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":258.89637600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":165.959476,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":111.6964,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.6964,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444625.770833,"kali_year":5082,"ahargana":1856160.2708,"sun":{"sidereal_longitude":277.313,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":108.0307,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.7177,"elapsed_within_tithi_degrees":10.7177},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.0307,"elapsed_within_degrees":1.3641},"yoga":{"number":2,"name":"Prīti","sum_longitude":25.3437},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.287,"elongation":169.282},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.287,"opposition_distance":10.718}},"eclipse_window_40days":[{"offset_days":-1,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":15,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"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":"06:56","sunsetLocal":"17:39","solarNoonLocal":"12:17","dayLengthHours":10.722841142829061,"dayLengthDisplay":"10 Hours 43 Mins 22 Secs","nightLengthDisplay":"13 Hours 16 Mins 38 Secs","moonriseLocal":"18:13","moonsetLocal":"07:33","rahuKala":{"name":"Rāhu Kāla","start":"12:17","end":"13:38","startHours":12.291182187485536,"endHours":13.631537330339167,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:16","end":"09:37","startHours":8.270116758924637,"endHours":9.610471901778268,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:57","end":"12:17","startHours":10.950827044631902,"endHours":12.291182187485536,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:47","startHours":9.43175788273112,"endHours":9.789185920825421,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:40","startHours":7.376546663688882,"endHours":7.662489094164323,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:39","startHours":11.933754149391234,"endHours":12.648610225579837,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:13","startHours":5.500049463693796,"endHours":6.2149055398824,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:56","startHours":6.036191520835249,"endHours":6.929761616071004,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:48","startHours":14.078322377957045,"endHours":14.79317845414565,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.452602758900067,"endHours":17.852602758900066,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:06","startHours":17.652602758900066,"endHours":18.099387806517942,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.402602758900066,"endHours":19.152602758900066,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:39","startHours":23.933754149391234,"endHours":24.648610225579837,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:56","end":"08:16","startHours":6.929761616071004,"endHours":8.270116758924637,"quality":"auspicious"},{"name":"Amṛta","start":"08:16","end":"09:37","startHours":8.270116758924637,"endHours":9.610471901778268,"quality":"auspicious"},{"name":"Kāla","start":"09:37","end":"10:57","startHours":9.610471901778268,"endHours":10.950827044631902,"quality":"inauspicious"},{"name":"Śubha","start":"10:57","end":"12:17","startHours":10.950827044631902,"endHours":12.291182187485536,"quality":"auspicious"},{"name":"Roga","start":"12:17","end":"13:38","startHours":12.291182187485536,"endHours":13.631537330339167,"quality":"inauspicious"},{"name":"Udveg","start":"13:38","end":"14:58","startHours":13.631537330339167,"endHours":14.9718924731928,"quality":"inauspicious"},{"name":"Chala","start":"14:58","end":"16:19","startHours":14.9718924731928,"endHours":16.312247616046434,"quality":"neutral"},{"name":"Labha","start":"16:19","end":"17:39","startHours":16.312247616046434,"endHours":17.652602758900066,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:39","end":"19:19","startHours":17.652602758900066,"endHours":19.312247616046434,"quality":"inauspicious"},{"name":"Chala","start":"19:19","end":"20:58","startHours":19.312247616046434,"endHours":20.971892473192803,"quality":"neutral"},{"name":"Labha","start":"20:58","end":"22:38","startHours":20.971892473192803,"endHours":22.631537330339167,"quality":"auspicious"},{"name":"Amṛta","start":"22:38","end":"00:17","startHours":22.631537330339167,"endHours":24.291182187485536,"quality":"auspicious"},{"name":"Kāla","start":"00:17","end":"01:57","startHours":24.291182187485536,"endHours":25.950827044631904,"quality":"inauspicious"},{"name":"Śubha","start":"01:57","end":"03:37","startHours":25.950827044631904,"endHours":27.61047190177827,"quality":"auspicious"},{"name":"Roga","start":"03:37","end":"05:16","startHours":27.61047190177827,"endHours":29.270116758924637,"quality":"inauspicious"},{"name":"Udveg","start":"05:16","end":"06:56","startHours":29.270116758924637,"endHours":30.929761616071005,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.929761616071004,"endHours":7.929761616071004,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.929761616071004,"endHours":8.929761616071005,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.929761616071005,"endHours":9.929761616071005,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.929761616071005,"endHours":10.929761616071005,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.929761616071005,"endHours":11.929761616071005,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.929761616071005,"endHours":12.929761616071005,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.929761616071005,"endHours":13.929761616071005,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.929761616071005,"endHours":14.929761616071005,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.929761616071005,"endHours":15.929761616071005,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.929761616071005,"endHours":16.929761616071005,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.929761616071005,"endHours":17.929761616071005,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.929761616071005,"endHours":18.929761616071005,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.929761616071005,"endHours":19.929761616071005,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.929761616071005,"endHours":20.929761616071005,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.929761616071005,"endHours":21.929761616071005,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.929761616071005,"endHours":22.929761616071005,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.929761616071005,"endHours":23.929761616071005,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.929761616071005,"endHours":24.929761616071005,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.929761616071005,"endHours":25.929761616071005,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.929761616071005,"endHours":26.929761616071005,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.929761616071005,"endHours":27.929761616071005,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.929761616071005,"endHours":28.929761616071005,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.929761616071005,"endHours":29.929761616071005,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.929761616071005,"endHours":30.929761616071005,"planetary_lord":"Sun"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.95096517364316,"eotMinutes":-11.255731249132124,"ayanamsa":23.5884}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Pratipada · 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":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 21, 1981 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"January 21, 1981 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Pratipada, sūryodaya 06:56, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/1981-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/1981-01-21","sa":"https://sa.vidhyamitra.com/city/lucknow/1981-01-21","hi":"https://hi.vidhyamitra.com/city/lucknow/1981-01-21","x-default":"https://vidhyamitra.com/city/lucknow/1981-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:31:50.105Z","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":"2026-05-31T01:31:50.105Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:31:50.105Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}