{"id":"vidhyamitra:city-day:aligarh:2002-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/aligarh/2002-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-02-01","date_display":"February 1, 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":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452306.770833,"kali_year":5103,"ahargana":1863841.2708,"sun":{"sidereal_longitude":288.1295,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":148.2929,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.1634,"elapsed_within_tithi_degrees":4.1634},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.2929,"elapsed_within_degrees":1.6262},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.4224},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452306.770833,"ahargana":1863841.2708,"kali_year":5103,"ayanamsa_lahiri":23.8821,"grahas":{"sun":{"sidereal_longitude":288.11750499999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":151.43030499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":4.4717},"mars":{"sidereal_longitude":345.637005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":278.646805,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":72.97080500000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":292.30190500000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":44.09230500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":64.72,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":244.72,"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":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452306.770833,"kali_year":5103,"ahargana":1863841.2708,"sun":{"sidereal_longitude":288.1295,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":148.2929,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.1634,"elapsed_within_tithi_degrees":4.1634},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.2929,"elapsed_within_degrees":1.6262},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.4224},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.472,"elongation":139.837},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.472,"opposition_distance":40.163}},"eclipse_window_40days":[]},"city":{"slug":"aligarh","name":"Aligarh, Uttar Pradesh","lat":27.8974,"lon":78.088,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"aligarh","name":"Aligarh, Uttar Pradesh","lat":27.8974,"lon":78.088,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:05","sunsetLocal":"17:58","solarNoonLocal":"12:31","dayLengthHours":10.876153701389347,"dayLengthDisplay":"10 Hours 52 Mins 34 Secs","nightLengthDisplay":"13 Hours 07 Mins 26 Secs","moonriseLocal":"21:18","moonsetLocal":"09:31","rahuKala":{"name":"Rāhu Kāla","start":"11:10","end":"12:31","startHours":11.16276992261626,"endHours":12.522289135289927,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:14","end":"16:36","startHours":15.241327560637265,"endHours":16.600846773310934,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:27","end":"09:48","startHours":8.443731497268923,"endHours":9.803250709942592,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:59","startHours":9.621981481586102,"endHours":9.98451993829908,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:50","startHours":7.537385355486478,"endHours":7.827416120856861,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:53","startHours":12.15975067857695,"endHours":12.884827592002905,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:22","startHours":5.6340584577433415,"endHours":6.359135371169298,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:05","startHours":6.177866142812809,"endHours":7.084212284595255,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:04","startHours":14.33498141885482,"endHours":15.060058332280777,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.760365985984603,"endHours":18.1603659859846,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:25","startHours":17.960365985984602,"endHours":18.413539056875823,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.710365985984602,"endHours":19.460365985984602,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:53","startHours":24.15975067857695,"endHours":24.884827592002907,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:05","end":"08:27","startHours":7.084212284595255,"endHours":8.443731497268923,"quality":"neutral"},{"name":"Labha","start":"08:27","end":"09:48","startHours":8.443731497268923,"endHours":9.803250709942592,"quality":"auspicious"},{"name":"Amṛta","start":"09:48","end":"11:10","startHours":9.803250709942592,"endHours":11.16276992261626,"quality":"auspicious"},{"name":"Kāla","start":"11:10","end":"12:31","startHours":11.16276992261626,"endHours":12.522289135289927,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"13:53","startHours":12.522289135289927,"endHours":13.881808347963597,"quality":"auspicious"},{"name":"Roga","start":"13:53","end":"15:14","startHours":13.881808347963597,"endHours":15.241327560637265,"quality":"inauspicious"},{"name":"Udveg","start":"15:14","end":"16:36","startHours":15.241327560637265,"endHours":16.600846773310934,"quality":"inauspicious"},{"name":"Chala","start":"16:36","end":"17:58","startHours":16.600846773310934,"endHours":17.960365985984602,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:58","end":"19:36","startHours":17.960365985984602,"endHours":19.600846773310934,"quality":"inauspicious"},{"name":"Udveg","start":"19:36","end":"21:14","startHours":19.600846773310934,"endHours":21.241327560637266,"quality":"inauspicious"},{"name":"Chala","start":"21:14","end":"22:53","startHours":21.241327560637266,"endHours":22.8818083479636,"quality":"neutral"},{"name":"Labha","start":"22:53","end":"00:31","startHours":22.8818083479636,"endHours":24.522289135289927,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"02:10","startHours":24.522289135289927,"endHours":26.16276992261626,"quality":"auspicious"},{"name":"Kāla","start":"02:10","end":"03:48","startHours":26.16276992261626,"endHours":27.803250709942592,"quality":"inauspicious"},{"name":"Śubha","start":"03:48","end":"05:27","startHours":27.803250709942592,"endHours":29.44373149726892,"quality":"auspicious"},{"name":"Roga","start":"05:27","end":"07:05","startHours":29.44373149726892,"endHours":31.084212284595253,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.084212284595255,"endHours":8.084212284595255,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.084212284595255,"endHours":9.084212284595255,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.084212284595255,"endHours":10.084212284595255,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.084212284595255,"endHours":11.084212284595255,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.084212284595255,"endHours":12.084212284595255,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.084212284595255,"endHours":13.084212284595255,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.084212284595255,"endHours":14.084212284595255,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.084212284595255,"endHours":15.084212284595255,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.084212284595255,"endHours":16.084212284595253,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.084212284595253,"endHours":17.084212284595253,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.084212284595253,"endHours":18.084212284595253,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.084212284595253,"endHours":19.084212284595253,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.084212284595253,"endHours":20.084212284595253,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.084212284595253,"endHours":21.084212284595253,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.084212284595253,"endHours":22.084212284595253,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.084212284595253,"endHours":23.084212284595253,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.084212284595253,"endHours":24.084212284595253,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.084212284595253,"endHours":25.084212284595253,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.084212284595253,"endHours":26.084212284595253,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.084212284595253,"endHours":27.084212284595253,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.084212284595253,"endHours":28.084212284595253,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.084212284595253,"endHours":29.084212284595253,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.084212284595253,"endHours":30.084212284595253,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.084212284595253,"endHours":31.084212284595253,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","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":-17.19199940268933,"eotMinutes":-13.689348117395623,"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 Caturthī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"aligarh"},"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, 2002 CE · Aligarh, Uttar Pradesh · Vidhyamitra","description":"February 1, 2002 CE for Aligarh, Uttar Pradesh: Kṛṣṇa Caturthī, sūryodaya 07:05, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/aligarh/2002-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/aligarh/2002-02-01","sa":"https://sa.vidhyamitra.com/city/aligarh/2002-02-01","hi":"https://hi.vidhyamitra.com/city/aligarh/2002-02-01","x-default":"https://vidhyamitra.com/city/aligarh/2002-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:54:56.413Z","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":"2026-06-03T01:54:56.413Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:54:56.413Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}