{"id":"vidhyamitra:city-day:mauritius:2011-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mauritius/2011-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-07-31","date_display":"July 31, 2011 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":2011,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455773.770833,"kali_year":5113,"ahargana":1867308.2708,"sun":{"sidereal_longitude":102.9515,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":105.2447,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.2931,"elapsed_within_tithi_degrees":2.2931},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":105.2447,"elapsed_within_degrees":11.9113},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.1962},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2011,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455773.770833,"ahargana":1867308.2708,"kali_year":5113,"ayanamsa_lahiri":24.0147,"grahas":{"sun":{"sidereal_longitude":103.50664,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":107.02774,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":-3.1369},"mars":{"sidereal_longitude":63.522339999999986,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":126.71323999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":14.780340000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":98.81344000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":168.00734,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":241.0217,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":61.0217,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"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":2011,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455773.770833,"kali_year":5113,"ahargana":1867308.2708,"sun":{"sidereal_longitude":102.9515,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":105.2447,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.2931,"elapsed_within_tithi_degrees":2.2931},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":105.2447,"elapsed_within_degrees":11.9113},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.1962},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.137,"elongation":2.293},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.137,"opposition_distance":177.707}},"eclipse_window_40days":[]},"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":"06:40","sunsetLocal":"17:52","solarNoonLocal":"12:16","dayLengthHours":11.190762709777383,"dayLengthDisplay":"11 Hours 11 Mins 27 Secs","nightLengthDisplay":"12 Hours 48 Mins 33 Secs","moonriseLocal":"06:54","moonsetLocal":"18:06","rahuKala":{"name":"Rāhu Kāla","start":"16:28","end":"17:52","startHours":16.46431225803903,"endHours":17.863157596761205,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:16","end":"13:40","startHours":12.267776241872514,"endHours":13.666621580594686,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:04","end":"16:28","startHours":15.06546691931686,"endHours":16.46431225803903,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:39","startHours":9.283572852598546,"endHours":9.65659827625779,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:26","startHours":7.138676666557879,"endHours":7.437097005485276,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:38","startHours":11.894750818213268,"endHours":12.640801665531761,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:56","startHours":5.180293192346838,"endHours":5.92634403966533,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:40","startHours":5.739831327835707,"endHours":6.672394886983822,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:53","startHours":14.132903360168743,"endHours":14.878954207487237,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.663157596761206,"endHours":18.063157596761204,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.863157596761205,"endHours":18.329439376335262,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.613157596761205,"endHours":19.363157596761205,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:38","startHours":23.894750818213268,"endHours":24.64080166553176,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:40","end":"08:04","startHours":6.672394886983822,"endHours":8.071240225705996,"quality":"inauspicious"},{"name":"Chala","start":"08:04","end":"09:28","startHours":8.071240225705996,"endHours":9.470085564428167,"quality":"neutral"},{"name":"Labha","start":"09:28","end":"10:52","startHours":9.470085564428167,"endHours":10.868930903150341,"quality":"auspicious"},{"name":"Amṛta","start":"10:52","end":"12:16","startHours":10.868930903150341,"endHours":12.267776241872514,"quality":"auspicious"},{"name":"Kāla","start":"12:16","end":"13:40","startHours":12.267776241872514,"endHours":13.666621580594686,"quality":"inauspicious"},{"name":"Śubha","start":"13:40","end":"15:04","startHours":13.666621580594686,"endHours":15.06546691931686,"quality":"auspicious"},{"name":"Roga","start":"15:04","end":"16:28","startHours":15.06546691931686,"endHours":16.46431225803903,"quality":"inauspicious"},{"name":"Udveg","start":"16:28","end":"17:52","startHours":16.46431225803903,"endHours":17.863157596761205,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:52","end":"19:28","startHours":17.863157596761205,"endHours":19.464312258039033,"quality":"auspicious"},{"name":"Roga","start":"19:28","end":"21:04","startHours":19.464312258039033,"endHours":21.065466919316858,"quality":"inauspicious"},{"name":"Udveg","start":"21:04","end":"22:40","startHours":21.065466919316858,"endHours":22.666621580594686,"quality":"inauspicious"},{"name":"Chala","start":"22:40","end":"00:16","startHours":22.666621580594686,"endHours":24.267776241872514,"quality":"neutral"},{"name":"Labha","start":"00:16","end":"01:52","startHours":24.267776241872514,"endHours":25.868930903150343,"quality":"auspicious"},{"name":"Amṛta","start":"01:52","end":"03:28","startHours":25.868930903150343,"endHours":27.470085564428167,"quality":"auspicious"},{"name":"Kāla","start":"03:28","end":"05:04","startHours":27.470085564428167,"endHours":29.071240225705996,"quality":"inauspicious"},{"name":"Śubha","start":"05:04","end":"06:40","startHours":29.071240225705996,"endHours":30.672394886983824,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.672394886983822,"endHours":7.672394886983822,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.672394886983822,"endHours":8.672394886983822,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.672394886983822,"endHours":9.672394886983822,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.672394886983822,"endHours":10.672394886983822,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.672394886983822,"endHours":11.672394886983822,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.672394886983822,"endHours":12.672394886983822,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.672394886983822,"endHours":13.672394886983822,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.672394886983822,"endHours":14.672394886983822,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.672394886983822,"endHours":15.672394886983822,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.672394886983822,"endHours":16.672394886983824,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.672394886983824,"endHours":17.672394886983824,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.672394886983824,"endHours":18.672394886983824,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.672394886983824,"endHours":19.672394886983824,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.672394886983824,"endHours":20.672394886983824,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.672394886983824,"endHours":21.672394886983824,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.672394886983824,"endHours":22.672394886983824,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.672394886983824,"endHours":23.672394886983824,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.672394886983824,"endHours":24.672394886983824,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.672394886983824,"endHours":25.672394886983824,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.672394886983824,"endHours":26.672394886983824,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.672394886983824,"endHours":27.672394886983824,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.672394886983824,"endHours":28.672394886983824,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.672394886983824,"endHours":29.672394886983824,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.672394886983824,"endHours":30.672394886983824,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.388113323688504,"eotMinutes":-6.071374512350812,"ayanamsa":24.0147}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pratipada · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[],"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 July 31, 2011 CE · Port Louis, Mauritius · Vidhyamitra","description":"July 31, 2011 CE for Port Louis, Mauritius: Śukla Pratipada, sūryodaya 06:40, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mauritius/2011-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mauritius/2011-07-31","sa":"https://sa.vidhyamitra.com/city/mauritius/2011-07-31","hi":"https://hi.vidhyamitra.com/city/mauritius/2011-07-31","x-default":"https://vidhyamitra.com/city/mauritius/2011-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:38:29.932Z","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":"2026-05-31T13:38:29.932Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:38:29.932Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}