{"id":"vidhyamitra:city-day:beijing:2015-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/2015-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-02-01","date_display":"February 1, 2015 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":2015,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457054.770833,"kali_year":5116,"ahargana":1868589.2708,"sun":{"sidereal_longitude":287.7577,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":74.3427,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.585,"elapsed_within_tithi_degrees":2.585},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.3427,"elapsed_within_degrees":7.676},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.1004},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2015,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457054.770833,"ahargana":1868589.2708,"kali_year":5116,"ayanamsa_lahiri":24.0637,"grahas":{"sun":{"sidereal_longitude":287.77879699999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":75.13559700000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.4469},"mars":{"sidereal_longitude":320.993197,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":284.21169699999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":113.54159700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":311.21999700000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":219.19769699999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":173.1481,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":353.1481,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2015,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457054.770833,"kali_year":5116,"ahargana":1868589.2708,"sun":{"sidereal_longitude":287.7577,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":74.3427,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.585,"elapsed_within_tithi_degrees":2.585},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.3427,"elapsed_within_degrees":7.676},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.1004},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.447,"elongation":146.585},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.447,"opposition_distance":33.415}},"eclipse_window_40days":[]},"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":"07:24","sunsetLocal":"17:33","solarNoonLocal":"12:28","dayLengthHours":10.151436283665884,"dayLengthDisplay":"10 Hours 09 Mins 05 Secs","nightLengthDisplay":"13 Hours 50 Mins 55 Secs","moonriseLocal":"14:50","moonsetLocal":"05:45","rahuKala":{"name":"Rāhu Kāla","start":"16:17","end":"17:33","startHours":16.27513107499797,"endHours":17.544060610456203,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:28","end":"13:44","startHours":12.468342468623263,"endHours":13.737272004081497,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:00","end":"16:17","startHours":15.006201539539733,"endHours":16.27513107499797,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:46","end":"10:06","startHours":9.761292792979026,"endHours":10.099674002434556,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:49","end":"08:05","startHours":7.815600838609732,"endHours":8.086305806174156,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:48","startHours":12.12996125916773,"endHours":12.806723678078791,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:02","end":"06:43","startHours":6.039099488968202,"endHours":6.715861907879261,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:24","startHours":6.546671303151496,"endHours":7.39262432679032,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:50","startHours":14.160248515900909,"endHours":14.837010934811968,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:21","end":"17:45","startHours":17.344060610456204,"endHours":17.744060610456202,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:33","end":"17:58","startHours":17.544060610456203,"endHours":17.967037122275613,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:18","end":"19:03","startHours":17.294060610456203,"endHours":19.044060610456203,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:48","startHours":24.129961259167732,"endHours":24.806723678078793,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:24","end":"08:40","startHours":7.39262432679032,"endHours":8.661553862248555,"quality":"inauspicious"},{"name":"Chala","start":"08:40","end":"09:56","startHours":8.661553862248555,"endHours":9.93048339770679,"quality":"neutral"},{"name":"Labha","start":"09:56","end":"11:12","startHours":9.93048339770679,"endHours":11.199412933165027,"quality":"auspicious"},{"name":"Amṛta","start":"11:12","end":"12:28","startHours":11.199412933165027,"endHours":12.468342468623263,"quality":"auspicious"},{"name":"Kāla","start":"12:28","end":"13:44","startHours":12.468342468623263,"endHours":13.737272004081497,"quality":"inauspicious"},{"name":"Śubha","start":"13:44","end":"15:00","startHours":13.737272004081497,"endHours":15.006201539539733,"quality":"auspicious"},{"name":"Roga","start":"15:00","end":"16:17","startHours":15.006201539539733,"endHours":16.27513107499797,"quality":"inauspicious"},{"name":"Udveg","start":"16:17","end":"17:33","startHours":16.27513107499797,"endHours":17.544060610456203,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:33","end":"19:17","startHours":17.544060610456203,"endHours":19.27513107499797,"quality":"auspicious"},{"name":"Roga","start":"19:17","end":"21:00","startHours":19.27513107499797,"endHours":21.00620153953973,"quality":"inauspicious"},{"name":"Udveg","start":"21:00","end":"22:44","startHours":21.00620153953973,"endHours":22.737272004081497,"quality":"inauspicious"},{"name":"Chala","start":"22:44","end":"00:28","startHours":22.737272004081497,"endHours":24.468342468623263,"quality":"neutral"},{"name":"Labha","start":"00:28","end":"02:12","startHours":24.468342468623263,"endHours":26.199412933165025,"quality":"auspicious"},{"name":"Amṛta","start":"02:12","end":"03:56","startHours":26.199412933165025,"endHours":27.93048339770679,"quality":"auspicious"},{"name":"Kāla","start":"03:56","end":"05:40","startHours":27.93048339770679,"endHours":29.661553862248553,"quality":"inauspicious"},{"name":"Śubha","start":"05:40","end":"07:24","startHours":29.661553862248553,"endHours":31.39262432679032,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:24","end":"08:24","startHours":7.39262432679032,"endHours":8.392624326790319,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:24","end":"09:24","startHours":8.392624326790319,"endHours":9.392624326790319,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:24","end":"10:24","startHours":9.392624326790319,"endHours":10.392624326790319,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:24","end":"11:24","startHours":10.392624326790319,"endHours":11.392624326790319,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:24","end":"12:24","startHours":11.392624326790319,"endHours":12.392624326790319,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:24","end":"13:24","startHours":12.392624326790319,"endHours":13.392624326790319,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:24","end":"14:24","startHours":13.392624326790319,"endHours":14.392624326790319,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:24","end":"15:24","startHours":14.392624326790319,"endHours":15.392624326790319,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:24","end":"16:24","startHours":15.392624326790319,"endHours":16.39262432679032,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:24","end":"17:24","startHours":16.39262432679032,"endHours":17.39262432679032,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:24","end":"18:24","startHours":17.39262432679032,"endHours":18.39262432679032,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:24","end":"19:24","startHours":18.39262432679032,"endHours":19.39262432679032,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:24","end":"20:24","startHours":19.39262432679032,"endHours":20.39262432679032,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:24","end":"21:24","startHours":20.39262432679032,"endHours":21.39262432679032,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:24","end":"22:24","startHours":21.39262432679032,"endHours":22.39262432679032,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:24","end":"23:24","startHours":22.39262432679032,"endHours":23.39262432679032,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:24","end":"00:24","startHours":23.39262432679032,"endHours":24.39262432679032,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:24","end":"01:24","startHours":24.39262432679032,"endHours":25.39262432679032,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:24","end":"02:24","startHours":25.39262432679032,"endHours":26.39262432679032,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:24","end":"03:24","startHours":26.39262432679032,"endHours":27.39262432679032,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:24","end":"04:24","startHours":27.39262432679032,"endHours":28.39262432679032,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:24","end":"05:24","startHours":28.39262432679032,"endHours":29.39262432679032,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:24","end":"06:24","startHours":29.39262432679032,"endHours":30.39262432679032,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:24","end":"07:24","startHours":30.39262432679032,"endHours":31.39262432679032,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.235705008545725,"eotMinutes":-13.689348117395623,"ayanamsa":24.0637}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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 Śukla Trayodaśī · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"beijing"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 1, 2015 CE · Beijing, Beijing · Vidhyamitra","description":"February 1, 2015 CE for Beijing, Beijing: Śukla Trayodaśī, sūryodaya 07:24, sūryāsta 17:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/2015-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/2015-02-01","sa":"https://sa.vidhyamitra.com/city/beijing/2015-02-01","hi":"https://hi.vidhyamitra.com/city/beijing/2015-02-01","x-default":"https://vidhyamitra.com/city/beijing/2015-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:39:11.607Z","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":"2026-06-01T04:39:11.607Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:39:11.607Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}