{"id":"vidhyamitra:city-day:mauritius:1981-09-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mauritius/1981-09-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-09-27","date_display":"September 27, 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":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444874.770833,"kali_year":5083,"ahargana":1856409.2708,"sun":{"sidereal_longitude":159.5553,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":147.5795,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":348.0242,"elapsed_within_tithi_degrees":0.0242},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.5795,"elapsed_within_degrees":0.9129},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.1349},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":9,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444874.770833,"ahargana":1856409.2708,"kali_year":5083,"ayanamsa_lahiri":23.5979,"grahas":{"sun":{"sidereal_longitude":160.25496199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":147.10466200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":3.3986},"mars":{"sidereal_longitude":112.249462,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":186.49926200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":173.79406199999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":203.03636200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":167.80936199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.5032,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.5032,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444874.770833,"kali_year":5083,"ahargana":1856409.2708,"sun":{"sidereal_longitude":159.5553,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":147.5795,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":348.0242,"elapsed_within_tithi_degrees":0.0242},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.5795,"elapsed_within_degrees":0.9129},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.1349},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.399,"elongation":11.976},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.399,"opposition_distance":168.024}},"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":"05:54","sunsetLocal":"18:06","solarNoonLocal":"12:00","dayLengthHours":12.19336234948926,"dayLengthDisplay":"12 Hours 11 Mins 36 Secs","nightLengthDisplay":"11 Hours 48 Mins 24 Secs","moonriseLocal":"05:10","moonsetLocal":"17:05","rahuKala":{"name":"Rāhu Kāla","start":"16:35","end":"18:06","startHours":16.57508478781317,"endHours":18.09925508149933,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:00","end":"13:32","startHours":12.0025739067547,"endHours":13.526744200440858,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:03","end":"16:35","startHours":15.050914494127014,"endHours":16.57508478781317,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:09","startHours":8.751010613557565,"endHours":9.157456025207207,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:44","startHours":6.413949496572123,"endHours":6.739105825891836,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:25","startHours":11.596128495105058,"endHours":12.409019318404342,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:06","startHours":4.280111085411502,"endHours":5.093001908710786,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:54","startHours":4.889779202885965,"endHours":5.90589273201007,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:51","startHours":14.03480096500291,"endHours":14.847691788302194,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.89925508149933,"endHours":18.29925508149933,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:36","startHours":18.09925508149933,"endHours":18.607311846061382,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.84925508149933,"endHours":19.59925508149933,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:25","startHours":23.596128495105056,"endHours":24.40901931840434,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:54","end":"07:26","startHours":5.90589273201007,"endHours":7.430063025696228,"quality":"inauspicious"},{"name":"Chala","start":"07:26","end":"08:57","startHours":7.430063025696228,"endHours":8.954233319382386,"quality":"neutral"},{"name":"Labha","start":"08:57","end":"10:29","startHours":8.954233319382386,"endHours":10.478403613068542,"quality":"auspicious"},{"name":"Amṛta","start":"10:29","end":"12:00","startHours":10.478403613068542,"endHours":12.0025739067547,"quality":"auspicious"},{"name":"Kāla","start":"12:00","end":"13:32","startHours":12.0025739067547,"endHours":13.526744200440858,"quality":"inauspicious"},{"name":"Śubha","start":"13:32","end":"15:03","startHours":13.526744200440858,"endHours":15.050914494127014,"quality":"auspicious"},{"name":"Roga","start":"15:03","end":"16:35","startHours":15.050914494127014,"endHours":16.57508478781317,"quality":"inauspicious"},{"name":"Udveg","start":"16:35","end":"18:06","startHours":16.57508478781317,"endHours":18.09925508149933,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:06","end":"19:35","startHours":18.09925508149933,"endHours":19.57508478781317,"quality":"auspicious"},{"name":"Roga","start":"19:35","end":"21:03","startHours":19.57508478781317,"endHours":21.050914494127014,"quality":"inauspicious"},{"name":"Udveg","start":"21:03","end":"22:32","startHours":21.050914494127014,"endHours":22.52674420044086,"quality":"inauspicious"},{"name":"Chala","start":"22:32","end":"00:00","startHours":22.52674420044086,"endHours":24.002573906754698,"quality":"neutral"},{"name":"Labha","start":"00:00","end":"01:29","startHours":24.002573906754698,"endHours":25.478403613068544,"quality":"auspicious"},{"name":"Amṛta","start":"01:29","end":"02:57","startHours":25.478403613068544,"endHours":26.954233319382386,"quality":"auspicious"},{"name":"Kāla","start":"02:57","end":"04:26","startHours":26.954233319382386,"endHours":28.430063025696228,"quality":"inauspicious"},{"name":"Śubha","start":"04:26","end":"05:54","startHours":28.430063025696228,"endHours":29.90589273201007,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.90589273201007,"endHours":6.90589273201007,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.90589273201007,"endHours":7.90589273201007,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.90589273201007,"endHours":8.90589273201007,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.90589273201007,"endHours":9.90589273201007,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.90589273201007,"endHours":10.90589273201007,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.90589273201007,"endHours":11.90589273201007,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.90589273201007,"endHours":12.90589273201007,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.90589273201007,"endHours":13.90589273201007,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.90589273201007,"endHours":14.90589273201007,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.90589273201007,"endHours":15.90589273201007,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.90589273201007,"endHours":16.90589273201007,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.90589273201007,"endHours":17.90589273201007,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.90589273201007,"endHours":18.90589273201007,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.90589273201007,"endHours":19.90589273201007,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.90589273201007,"endHours":20.90589273201007,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.90589273201007,"endHours":21.90589273201007,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.90589273201007,"endHours":22.90589273201007,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.90589273201007,"endHours":23.90589273201007,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.90589273201007,"endHours":24.90589273201007,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.90589273201007,"endHours":25.90589273201007,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.90589273201007,"endHours":26.90589273201007,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.90589273201007,"endHours":27.90589273201007,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.90589273201007,"endHours":28.90589273201007,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.90589273201007,"endHours":29.90589273201007,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.5314359866248113,"eotMinutes":9.840765594718077,"ayanamsa":23.5979}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Amāvasyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"mahalaya-amavasya","name":"Mahālaya Amāvasyā (Sarvapitṛ Amāvasyā)","name_sanskrit":"महालय अमावस्या","tradition":"Pan-Hindu","associated_deity":"Pitṛ-deva","significance":"Final day of Pitṛ-Pakṣa; tarpaṇa for all ancestors.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":1}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 September 27, 1981 CE · Port Louis, Mauritius · Vidhyamitra","description":"September 27, 1981 CE for Port Louis, Mauritius: Kṛṣṇa Amāvasyā, sūryodaya 05:54, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mauritius/1981-09-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mauritius/1981-09-27","sa":"https://sa.vidhyamitra.com/city/mauritius/1981-09-27","hi":"https://hi.vidhyamitra.com/city/mauritius/1981-09-27","x-default":"https://vidhyamitra.com/city/mauritius/1981-09-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:25:20.267Z","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":"2026-06-03T00:25:20.267Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:25:20.267Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}