{"id":"vidhyamitra:city-day:beijing:1981-01-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/1981-01-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-22","date_display":"January 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":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444626.770833,"kali_year":5082,"ahargana":1856161.2708,"sun":{"sidereal_longitude":278.3383,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":121.213,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.8748,"elapsed_within_tithi_degrees":10.8748},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.213,"elapsed_within_degrees":1.213},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.5513},"karana":{"half_tithi_index":33,"name":"Gara"},"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":1,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444626.770833,"ahargana":1856161.2708,"kali_year":5082,"ayanamsa_lahiri":23.5884,"grahas":{"sun":{"sidereal_longitude":278.347138,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":119.39133800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":0.7474},"mars":{"sidereal_longitude":294.13753799999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":292.46223800000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.83893799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":260.14843799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":165.954838,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":111.6434,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.6434,"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":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444626.770833,"kali_year":5082,"ahargana":1856161.2708,"sun":{"sidereal_longitude":278.3383,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":121.213,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.8748,"elapsed_within_tithi_degrees":10.8748},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.213,"elapsed_within_degrees":1.213},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.5513},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.747,"elongation":157.125},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.747,"opposition_distance":22.875}},"eclipse_window_40days":[{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"city":{"slug":"beijing","name":"Beijing, Beijing","lat":39.9075,"lon":116.3972,"tz_offset_hours":8,"state":"Beijing","country":"CN","tier":"mega"},"tier2":{"city":{"slug":"beijing","name":"Beijing, Beijing","lat":39.9075,"lon":116.3972,"tz_offset_hours":8,"state":"Beijing","country":"CN","tier":"mega"},"sunriseLocal":"07:31","sunsetLocal":"17:21","solarNoonLocal":"12:26","dayLengthHours":9.833863497594743,"dayLengthDisplay":"9 Hours 50 Mins 02 Secs","nightLengthDisplay":"14 Hours 09 Mins 58 Secs","moonriseLocal":"18:59","moonsetLocal":"08:41","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"14:53","startHours":13.661687992338333,"endHours":14.890920929537677,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:31","end":"08:45","startHours":7.515523306341619,"endHours":8.744756243540962,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:58","end":"11:12","startHours":9.973989180740304,"endHours":11.203222117939648,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:49","end":"10:08","startHours":9.810091455780391,"endHours":10.137886905700217,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:56","end":"08:11","startHours":7.925267618741399,"endHours":8.18750397867726,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:46","startHours":12.104659605219165,"endHours":12.760250505058814,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:12","end":"06:52","startHours":6.2043415066623195,"endHours":6.859932406501969,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:31","startHours":6.696034681542057,"endHours":7.515523306341619,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:44","startHours":14.071432304738114,"endHours":14.727023204577764,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.149386803936363,"endHours":17.54938680393636,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:46","startHours":17.349386803936362,"endHours":17.759131116336142,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.099386803936362,"endHours":18.849386803936362,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:46","startHours":24.10465960521916,"endHours":24.760250505058814,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:31","end":"08:45","startHours":7.515523306341619,"endHours":8.744756243540962,"quality":"auspicious"},{"name":"Roga","start":"08:45","end":"09:58","startHours":8.744756243540962,"endHours":9.973989180740304,"quality":"inauspicious"},{"name":"Udveg","start":"09:58","end":"11:12","startHours":9.973989180740304,"endHours":11.203222117939648,"quality":"inauspicious"},{"name":"Chala","start":"11:12","end":"12:26","startHours":11.203222117939648,"endHours":12.432455055138991,"quality":"neutral"},{"name":"Labha","start":"12:26","end":"13:40","startHours":12.432455055138991,"endHours":13.661687992338333,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"14:53","startHours":13.661687992338333,"endHours":14.890920929537677,"quality":"auspicious"},{"name":"Kāla","start":"14:53","end":"16:07","startHours":14.890920929537677,"endHours":16.12015386673702,"quality":"inauspicious"},{"name":"Śubha","start":"16:07","end":"17:21","startHours":16.12015386673702,"endHours":17.349386803936362,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:21","end":"19:07","startHours":17.349386803936362,"endHours":19.12015386673702,"quality":"auspicious"},{"name":"Kāla","start":"19:07","end":"20:53","startHours":19.12015386673702,"endHours":20.890920929537675,"quality":"inauspicious"},{"name":"Śubha","start":"20:53","end":"22:40","startHours":20.890920929537675,"endHours":22.661687992338333,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:26","startHours":22.661687992338333,"endHours":24.43245505513899,"quality":"inauspicious"},{"name":"Udveg","start":"00:26","end":"02:12","startHours":24.43245505513899,"endHours":26.203222117939646,"quality":"inauspicious"},{"name":"Chala","start":"02:12","end":"03:58","startHours":26.203222117939646,"endHours":27.973989180740304,"quality":"neutral"},{"name":"Labha","start":"03:58","end":"05:45","startHours":27.973989180740304,"endHours":29.744756243540962,"quality":"auspicious"},{"name":"Amṛta","start":"05:45","end":"07:31","startHours":29.744756243540962,"endHours":31.51552330634162,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:31","end":"08:31","startHours":7.515523306341619,"endHours":8.515523306341619,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:31","end":"09:31","startHours":8.515523306341619,"endHours":9.515523306341619,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:31","end":"10:31","startHours":9.515523306341619,"endHours":10.515523306341619,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:31","end":"11:31","startHours":10.515523306341619,"endHours":11.515523306341619,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:31","end":"12:31","startHours":11.515523306341619,"endHours":12.515523306341619,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:31","end":"13:31","startHours":12.515523306341619,"endHours":13.515523306341619,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:31","end":"14:31","startHours":13.515523306341619,"endHours":14.515523306341619,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:31","end":"15:31","startHours":14.515523306341619,"endHours":15.515523306341619,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:31","end":"16:31","startHours":15.515523306341619,"endHours":16.51552330634162,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:31","end":"17:31","startHours":16.51552330634162,"endHours":17.51552330634162,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:31","end":"18:31","startHours":17.51552330634162,"endHours":18.51552330634162,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:31","end":"19:31","startHours":18.51552330634162,"endHours":19.51552330634162,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:31","end":"20:31","startHours":19.51552330634162,"endHours":20.51552330634162,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:31","end":"21:31","startHours":20.51552330634162,"endHours":21.51552330634162,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:31","end":"22:31","startHours":21.51552330634162,"endHours":22.51552330634162,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:31","end":"23:31","startHours":22.51552330634162,"endHours":23.51552330634162,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:31","end":"00:31","startHours":23.51552330634162,"endHours":24.51552330634162,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:31","end":"01:31","startHours":24.51552330634162,"endHours":25.51552330634162,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:31","end":"02:31","startHours":25.51552330634162,"endHours":26.51552330634162,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:31","end":"03:31","startHours":26.51552330634162,"endHours":27.51552330634162,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:31","end":"04:31","startHours":27.51552330634162,"endHours":28.51552330634162,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:31","end":"05:31","startHours":28.51552330634162,"endHours":29.51552330634162,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:31","end":"06:31","startHours":29.51552330634162,"endHours":30.51552330634162,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:31","end":"07:31","startHours":30.51552330634162,"endHours":31.51552330634162,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Cara","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":-19.726652560201558,"eotMinutes":-11.536103308339323,"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 Dvitīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":"beijing"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 22, 1981 CE · Beijing, Beijing · Vidhyamitra","description":"January 22, 1981 CE for Beijing, Beijing: Kṛṣṇa Dvitīyā, sūryodaya 07:31, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/1981-01-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/1981-01-22","sa":"https://sa.vidhyamitra.com/city/beijing/1981-01-22","hi":"https://hi.vidhyamitra.com/city/beijing/1981-01-22","x-default":"https://vidhyamitra.com/city/beijing/1981-01-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:12:33.152Z","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":"2026-06-01T19:12:33.152Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:12:33.152Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}