{"id":"vidhyamitra:city-day:shimla:2025-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/shimla/2025-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-02-01","date_display":"February 1, 2025 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":2025,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460707.770833,"kali_year":5126,"ahargana":1872242.2708,"sun":{"sidereal_longitude":288.1792,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":319.2513,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.0722,"elapsed_within_tithi_degrees":7.0722},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":319.2513,"elapsed_within_degrees":12.5846},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.4305},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2025,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460707.770833,"ahargana":1872242.2708,"kali_year":5126,"ayanamsa_lahiri":24.2034,"grahas":{"sun":{"sidereal_longitude":288.22092499999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":321.261925,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":-1.563},"mars":{"sidereal_longitude":85.87972500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":281.95872499999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":47.05012499999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":332.94212500000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":323.32472500000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":339.5946,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":159.5946,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2025,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460707.770833,"kali_year":5126,"ahargana":1872242.2708,"sun":{"sidereal_longitude":288.1792,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":319.2513,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.0722,"elapsed_within_tithi_degrees":7.0722},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":319.2513,"elapsed_within_degrees":12.5846},"yoga":{"number":19,"name":"Parigha","sum_longitude":247.4305},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.563,"elongation":31.072},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.563,"opposition_distance":148.928}},"eclipse_window_40days":[]},"city":{"slug":"shimla","name":"Shimla, Himachal Pradesh","lat":31.1048,"lon":77.1734,"tz_offset_hours":5.5,"state":"Himachal Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"shimla","name":"Shimla, Himachal Pradesh","lat":31.1048,"lon":77.1734,"tz_offset_hours":5.5,"state":"Himachal Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:14","sunsetLocal":"17:56","solarNoonLocal":"12:35","dayLengthHours":10.713985262940568,"dayLengthDisplay":"10 Hours 42 Mins 50 Secs","nightLengthDisplay":"13 Hours 17 Mins 10 Secs","moonriseLocal":"08:58","moonsetLocal":"20:36","rahuKala":{"name":"Rāhu Kāla","start":"09:54","end":"11:15","startHours":9.904766152888119,"endHours":11.244014310755688,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:16","startHours":13.92251062649083,"endHours":15.261758784358403,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:14","end":"08:34","startHours":7.226269837152976,"endHours":8.565517995020546,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:05","startHours":9.726199731839108,"endHours":10.083332573937128,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:58","startHours":7.672685889775499,"endHours":7.958392163453914,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"12:56","startHours":12.22612962652524,"endHours":12.94039531072128,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:31","startHours":5.7977384687609,"endHours":6.512004152956938,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:14","startHours":6.333437731907928,"endHours":7.226269837152976,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:05","startHours":14.368926679113354,"endHours":15.083192363309392,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.740255100093545,"endHours":18.140255100093544,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:23","startHours":17.940255100093545,"endHours":18.38667115271607,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.690255100093545,"endHours":19.440255100093545,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"00:56","startHours":24.226129626525243,"endHours":24.94039531072128,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:14","end":"08:34","startHours":7.226269837152976,"endHours":8.565517995020546,"quality":"inauspicious"},{"name":"Śubha","start":"08:34","end":"09:54","startHours":8.565517995020546,"endHours":9.904766152888119,"quality":"auspicious"},{"name":"Roga","start":"09:54","end":"11:15","startHours":9.904766152888119,"endHours":11.244014310755688,"quality":"inauspicious"},{"name":"Udveg","start":"11:15","end":"12:35","startHours":11.244014310755688,"endHours":12.58326246862326,"quality":"inauspicious"},{"name":"Chala","start":"12:35","end":"13:55","startHours":12.58326246862326,"endHours":13.92251062649083,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:16","startHours":13.92251062649083,"endHours":15.261758784358403,"quality":"auspicious"},{"name":"Amṛta","start":"15:16","end":"16:36","startHours":15.261758784358403,"endHours":16.601006942225972,"quality":"auspicious"},{"name":"Kāla","start":"16:36","end":"17:56","startHours":16.601006942225972,"endHours":17.940255100093545,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:56","end":"19:36","startHours":17.940255100093545,"endHours":19.601006942225972,"quality":"auspicious"},{"name":"Amṛta","start":"19:36","end":"21:16","startHours":19.601006942225972,"endHours":21.261758784358403,"quality":"auspicious"},{"name":"Kāla","start":"21:16","end":"22:55","startHours":21.261758784358403,"endHours":22.922510626490833,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:35","startHours":22.922510626490833,"endHours":24.58326246862326,"quality":"auspicious"},{"name":"Roga","start":"00:35","end":"02:15","startHours":24.58326246862326,"endHours":26.244014310755688,"quality":"inauspicious"},{"name":"Udveg","start":"02:15","end":"03:54","startHours":26.244014310755688,"endHours":27.90476615288812,"quality":"inauspicious"},{"name":"Chala","start":"03:54","end":"05:34","startHours":27.90476615288812,"endHours":29.56551799502055,"quality":"neutral"},{"name":"Labha","start":"05:34","end":"07:14","startHours":29.56551799502055,"endHours":31.226269837152977,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.226269837152976,"endHours":8.226269837152977,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.226269837152977,"endHours":9.226269837152977,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.226269837152977,"endHours":10.226269837152977,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.226269837152977,"endHours":11.226269837152977,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.226269837152977,"endHours":12.226269837152977,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.226269837152977,"endHours":13.226269837152977,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.226269837152977,"endHours":14.226269837152977,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.226269837152977,"endHours":15.226269837152977,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.226269837152977,"endHours":16.226269837152977,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.226269837152977,"endHours":17.226269837152977,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.226269837152977,"endHours":18.226269837152977,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.226269837152977,"endHours":19.226269837152977,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.226269837152977,"endHours":20.226269837152977,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.226269837152977,"endHours":21.226269837152977,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.226269837152977,"endHours":22.226269837152977,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.226269837152977,"endHours":23.226269837152977,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.226269837152977,"endHours":24.226269837152977,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.226269837152977,"endHours":25.226269837152977,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.226269837152977,"endHours":26.226269837152977,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.226269837152977,"endHours":27.226269837152977,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.226269837152977,"endHours":28.226269837152977,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.226269837152977,"endHours":29.226269837152977,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.226269837152977,"endHours":30.226269837152977,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.226269837152977,"endHours":31.226269837152977,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.073232952824508,"eotMinutes":-13.689348117395623,"ayanamsa":24.2034}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Tṛtīyā · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"shimla"},"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, 2025 CE · Shimla, Himachal Pradesh · Vidhyamitra","description":"February 1, 2025 CE for Shimla, Himachal Pradesh: Śukla Tṛtīyā, sūryodaya 07:14, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/shimla/2025-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/shimla/2025-02-01","sa":"https://sa.vidhyamitra.com/city/shimla/2025-02-01","hi":"https://hi.vidhyamitra.com/city/shimla/2025-02-01","x-default":"https://vidhyamitra.com/city/shimla/2025-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T20:37:39.712Z","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":"2026-05-14T20:37:39.712Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T20:37:39.712Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}