{"id":"vidhyamitra:city-day:siliguri:2002-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/siliguri/2002-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-01-31","date_display":"January 31, 2002 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":2002,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452305.770833,"kali_year":5103,"ahargana":1863840.2708,"sun":{"sidereal_longitude":287.1075,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":133.7744,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.6669,"elapsed_within_tithi_degrees":2.6669},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":133.7744,"elapsed_within_degrees":0.4411},"yoga":{"number":5,"name":"Śobhana","sum_longitude":60.8819},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":2002,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452305.770833,"ahargana":1863840.2708,"kali_year":5103,"ayanamsa_lahiri":23.8821,"grahas":{"sun":{"sidereal_longitude":287.102443,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":136.46774300000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":4.2006},"mars":{"sidereal_longitude":344.912843,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":279.731943,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":73.06184300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":291.047243,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":44.106243000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":64.773,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":244.773,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2002,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452305.770833,"kali_year":5103,"ahargana":1863840.2708,"sun":{"sidereal_longitude":287.1075,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":133.7744,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.6669,"elapsed_within_tithi_degrees":2.6669},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":133.7744,"elapsed_within_degrees":0.4411},"yoga":{"number":5,"name":"Śobhana","sum_longitude":60.8819},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.201,"elongation":153.333},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.201,"opposition_distance":26.667}},"eclipse_window_40days":[]},"city":{"slug":"siliguri","name":"Siliguri, West Bengal","lat":26.7271,"lon":88.3953,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"siliguri","name":"Siliguri, West Bengal","lat":26.7271,"lon":88.3953,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:22","sunsetLocal":"17:17","solarNoonLocal":"11:50","dayLengthHours":10.915899845965527,"dayLengthDisplay":"10 Hours 54 Mins 57 Secs","nightLengthDisplay":"13 Hours 05 Mins 03 Secs","moonriseLocal":"19:29","moonsetLocal":"08:06","rahuKala":{"name":"Rāhu Kāla","start":"13:12","end":"14:34","startHours":13.196960623109725,"endHours":14.561448103855415,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:22","end":"07:44","startHours":6.3745232193812695,"endHours":7.73901070012696,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:06","end":"10:28","startHours":9.103498180872652,"endHours":10.467985661618343,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:17","startHours":8.921566516773225,"endHours":9.285429844972077,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:07","startHours":6.829352379629833,"endHours":7.120443042188914,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:12","startHours":11.468609814165182,"endHours":12.196336470562885,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:55","end":"05:39","startHours":4.919069906585866,"endHours":5.6467965629835675,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:28","end":"06:22","startHours":5.464864898884143,"endHours":6.3745232193812695,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:39","end":"14:23","startHours":13.651789783358286,"endHours":14.379516439755987,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:05","end":"17:29","startHours":17.090423065346798,"endHours":17.490423065346796,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:17","end":"17:45","startHours":17.290423065346797,"endHours":17.74525222559536,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:02","end":"18:47","startHours":17.040423065346797,"endHours":18.790423065346797,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:12","startHours":23.468609814165184,"endHours":24.196336470562883,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:22","end":"07:44","startHours":6.3745232193812695,"endHours":7.73901070012696,"quality":"auspicious"},{"name":"Roga","start":"07:44","end":"09:06","startHours":7.73901070012696,"endHours":9.103498180872652,"quality":"inauspicious"},{"name":"Udveg","start":"09:06","end":"10:28","startHours":9.103498180872652,"endHours":10.467985661618343,"quality":"inauspicious"},{"name":"Chala","start":"10:28","end":"11:50","startHours":10.467985661618343,"endHours":11.832473142364034,"quality":"neutral"},{"name":"Labha","start":"11:50","end":"13:12","startHours":11.832473142364034,"endHours":13.196960623109725,"quality":"auspicious"},{"name":"Amṛta","start":"13:12","end":"14:34","startHours":13.196960623109725,"endHours":14.561448103855415,"quality":"auspicious"},{"name":"Kāla","start":"14:34","end":"15:56","startHours":14.561448103855415,"endHours":15.925935584601106,"quality":"inauspicious"},{"name":"Śubha","start":"15:56","end":"17:17","startHours":15.925935584601106,"endHours":17.290423065346797,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:17","end":"18:56","startHours":17.290423065346797,"endHours":18.925935584601106,"quality":"auspicious"},{"name":"Kāla","start":"18:56","end":"20:34","startHours":18.925935584601106,"endHours":20.561448103855415,"quality":"inauspicious"},{"name":"Śubha","start":"20:34","end":"22:12","startHours":20.561448103855415,"endHours":22.196960623109725,"quality":"auspicious"},{"name":"Roga","start":"22:12","end":"23:50","startHours":22.196960623109725,"endHours":23.832473142364034,"quality":"inauspicious"},{"name":"Udveg","start":"23:50","end":"01:28","startHours":23.832473142364034,"endHours":25.467985661618343,"quality":"inauspicious"},{"name":"Chala","start":"01:28","end":"03:06","startHours":25.467985661618343,"endHours":27.103498180872652,"quality":"neutral"},{"name":"Labha","start":"03:06","end":"04:44","startHours":27.103498180872652,"endHours":28.73901070012696,"quality":"auspicious"},{"name":"Amṛta","start":"04:44","end":"06:22","startHours":28.73901070012696,"endHours":30.37452321938127,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.3745232193812695,"endHours":7.3745232193812695,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.3745232193812695,"endHours":8.37452321938127,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.37452321938127,"endHours":9.37452321938127,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.37452321938127,"endHours":10.37452321938127,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.37452321938127,"endHours":11.37452321938127,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.37452321938127,"endHours":12.37452321938127,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.37452321938127,"endHours":13.37452321938127,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.37452321938127,"endHours":14.37452321938127,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.37452321938127,"endHours":15.37452321938127,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.37452321938127,"endHours":16.37452321938127,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.37452321938127,"endHours":17.37452321938127,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.37452321938127,"endHours":18.37452321938127,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.37452321938127,"endHours":19.37452321938127,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.37452321938127,"endHours":20.37452321938127,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.37452321938127,"endHours":21.37452321938127,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.37452321938127,"endHours":22.37452321938127,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.37452321938127,"endHours":23.37452321938127,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.37452321938127,"endHours":24.37452321938127,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.37452321938127,"endHours":25.37452321938127,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.37452321938127,"endHours":26.37452321938127,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.37452321938127,"endHours":27.37452321938127,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.37452321938127,"endHours":28.37452321938127,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.37452321938127,"endHours":29.37452321938127,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.37452321938127,"endHours":30.37452321938127,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","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":-17.472191760408723,"eotMinutes":-13.52958854184206,"ayanamsa":23.8821}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"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 Tṛtīyā · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"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":"siliguri"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 31, 2002 CE · Siliguri, West Bengal · Vidhyamitra","description":"January 31, 2002 CE for Siliguri, West Bengal: Kṛṣṇa Tṛtīyā, sūryodaya 06:22, sūryāsta 17:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/siliguri/2002-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/siliguri/2002-01-31","sa":"https://sa.vidhyamitra.com/city/siliguri/2002-01-31","hi":"https://hi.vidhyamitra.com/city/siliguri/2002-01-31","x-default":"https://vidhyamitra.com/city/siliguri/2002-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:36:30.257Z","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":"2026-06-01T08:36:30.257Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:36:30.257Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}