{"id":"vidhyamitra:city-day:mauritius:1981-02-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mauritius/1981-02-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-02-08","date_display":"February 8, 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":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444643.770833,"kali_year":5082,"ahargana":1856178.2708,"sun":{"sidereal_longitude":295.7134,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":334.8142,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.1009,"elapsed_within_tithi_degrees":3.1009},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.8142,"elapsed_within_degrees":1.4809},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5276},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":1981,"month":2,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444643.770833,"ahargana":1856178.2708,"kali_year":5082,"ayanamsa_lahiri":23.5891,"grahas":{"sun":{"sidereal_longitude":295.606588,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":336.381988,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.1283},"mars":{"sidereal_longitude":307.57178799999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":311.62708799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":166.534988,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":281.43728799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":165.60628799999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":110.7427,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":290.7427,"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":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444643.770833,"kali_year":5082,"ahargana":1856178.2708,"sun":{"sidereal_longitude":295.7134,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":334.8142,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.1009,"elapsed_within_tithi_degrees":3.1009},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.8142,"elapsed_within_degrees":1.4809},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5276},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.128,"elongation":39.101},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.128,"opposition_distance":140.899}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"city":{"slug":"mauritius","name":"Port Louis, Mauritius","lat":-20.1609,"lon":57.5012,"tz_offset_hours":4,"country":"MU","tier":"diaspora"},"tier2":{"city":{"slug":"mauritius","name":"Port Louis, Mauritius","lat":-20.1609,"lon":57.5012,"tz_offset_hours":4,"country":"MU","tier":"diaspora"},"sunriseLocal":"05:58","sunsetLocal":"18:51","solarNoonLocal":"12:24","dayLengthHours":12.879414919369827,"dayLengthDisplay":"12 Hours 52 Mins 46 Secs","nightLengthDisplay":"11 Hours 07 Mins 14 Secs","moonriseLocal":"09:05","moonsetLocal":"21:10","rahuKala":{"name":"Rāhu Kāla","start":"17:14","end":"18:51","startHours":17.237150162774718,"endHours":18.847077027695946,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:24","end":"14:01","startHours":12.407369568011031,"endHours":14.01729643293226,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:38","end":"17:14","startHours":15.627223297853488,"endHours":17.237150162774718,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:24","startHours":8.972858922845745,"endHours":9.402172753491406,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:51","startHours":6.504304396633195,"endHours":6.847755461149724,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:50","startHours":11.978055737365372,"endHours":12.836683398656694,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:07","startHours":4.250406785743475,"endHours":5.109034447034797,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:58","startHours":4.894377531711966,"endHours":5.9676621083261185,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:25","startHours":14.553938721239337,"endHours":15.41256638253066,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:39","end":"19:03","startHours":18.647077027695946,"endHours":19.047077027695945,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:51","end":"19:23","startHours":18.847077027695946,"endHours":19.38371931600302,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:36","end":"20:21","startHours":18.597077027695946,"endHours":20.347077027695946,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:50","startHours":23.978055737365374,"endHours":24.836683398656696,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:58","end":"07:35","startHours":5.9676621083261185,"endHours":7.577588973247347,"quality":"inauspicious"},{"name":"Chala","start":"07:35","end":"09:11","startHours":7.577588973247347,"endHours":9.187515838168576,"quality":"neutral"},{"name":"Labha","start":"09:11","end":"10:48","startHours":9.187515838168576,"endHours":10.797442703089803,"quality":"auspicious"},{"name":"Amṛta","start":"10:48","end":"12:24","startHours":10.797442703089803,"endHours":12.407369568011031,"quality":"auspicious"},{"name":"Kāla","start":"12:24","end":"14:01","startHours":12.407369568011031,"endHours":14.01729643293226,"quality":"inauspicious"},{"name":"Śubha","start":"14:01","end":"15:38","startHours":14.01729643293226,"endHours":15.627223297853488,"quality":"auspicious"},{"name":"Roga","start":"15:38","end":"17:14","startHours":15.627223297853488,"endHours":17.237150162774718,"quality":"inauspicious"},{"name":"Udveg","start":"17:14","end":"18:51","startHours":17.237150162774718,"endHours":18.847077027695946,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:51","end":"20:14","startHours":18.847077027695946,"endHours":20.237150162774718,"quality":"auspicious"},{"name":"Roga","start":"20:14","end":"21:38","startHours":20.237150162774718,"endHours":21.62722329785349,"quality":"inauspicious"},{"name":"Udveg","start":"21:38","end":"23:01","startHours":21.62722329785349,"endHours":23.017296432932262,"quality":"inauspicious"},{"name":"Chala","start":"23:01","end":"00:24","startHours":23.017296432932262,"endHours":24.40736956801103,"quality":"neutral"},{"name":"Labha","start":"00:24","end":"01:48","startHours":24.40736956801103,"endHours":25.797442703089803,"quality":"auspicious"},{"name":"Amṛta","start":"01:48","end":"03:11","startHours":25.797442703089803,"endHours":27.187515838168576,"quality":"auspicious"},{"name":"Kāla","start":"03:11","end":"04:35","startHours":27.187515838168576,"endHours":28.577588973247344,"quality":"inauspicious"},{"name":"Śubha","start":"04:35","end":"05:58","startHours":28.577588973247344,"endHours":29.967662108326117,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.9676621083261185,"endHours":6.9676621083261185,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.9676621083261185,"endHours":7.9676621083261185,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.9676621083261185,"endHours":8.967662108326119,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.967662108326119,"endHours":9.967662108326119,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.967662108326119,"endHours":10.967662108326119,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.967662108326119,"endHours":11.967662108326119,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.967662108326119,"endHours":12.967662108326119,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.967662108326119,"endHours":13.967662108326119,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.967662108326119,"endHours":14.967662108326119,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.967662108326119,"endHours":15.967662108326119,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.967662108326119,"endHours":16.967662108326117,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.967662108326117,"endHours":17.967662108326117,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.967662108326117,"endHours":18.967662108326117,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.967662108326117,"endHours":19.967662108326117,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.967662108326117,"endHours":20.967662108326117,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.967662108326117,"endHours":21.967662108326117,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.967662108326117,"endHours":22.967662108326117,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.967662108326117,"endHours":23.967662108326117,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.967662108326117,"endHours":24.967662108326117,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.967662108326117,"endHours":25.967662108326117,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.967662108326117,"endHours":26.967662108326117,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.967662108326117,"endHours":27.967662108326117,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.967662108326117,"endHours":28.967662108326117,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.967662108326117,"endHours":29.967662108326117,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","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":-15.064677029680697,"eotMinutes":-14.446974080661976,"ayanamsa":23.5891}},"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 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 Caturthī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":"mauritius"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 8, 1981 CE · Port Louis, Mauritius · Vidhyamitra","description":"February 8, 1981 CE for Port Louis, Mauritius: Śukla Caturthī, sūryodaya 05:58, sūryāsta 18:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mauritius/1981-02-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mauritius/1981-02-08","sa":"https://sa.vidhyamitra.com/city/mauritius/1981-02-08","hi":"https://hi.vidhyamitra.com/city/mauritius/1981-02-08","x-default":"https://vidhyamitra.com/city/mauritius/1981-02-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:50:07.060Z","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":"2026-06-01T20:50:07.060Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:50:07.060Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}