{"id":"vidhyamitra:city-day:mauritius:1981-01-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mauritius/1981-01-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-30","date_display":"January 30, 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":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444634.770833,"kali_year":5082,"ahargana":1856169.2708,"sun":{"sidereal_longitude":286.5288,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":217.0104,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":290.4816,"elapsed_within_tithi_degrees":2.4816},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":217.0104,"elapsed_within_degrees":3.6771},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.5392},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":1981,"month":1,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444634.770833,"ahargana":1856169.2708,"kali_year":5082,"ayanamsa_lahiri":23.5887,"grahas":{"sun":{"sidereal_longitude":286.478832,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":216.75533199999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":4.3298},"mars":{"sidereal_longitude":300.45883200000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":304.61593200000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.809932,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":270.166832,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":165.85333200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":111.2195,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.2195,"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":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444634.770833,"kali_year":5082,"ahargana":1856169.2708,"sun":{"sidereal_longitude":286.5288,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":217.0104,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":290.4816,"elapsed_within_tithi_degrees":2.4816},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":217.0104,"elapsed_within_degrees":3.6771},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.5392},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.33,"elongation":69.518},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.33,"opposition_distance":110.482}},"eclipse_window_40days":[{"offset_days":-10,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":6,"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":"05:53","sunsetLocal":"18:54","solarNoonLocal":"12:23","dayLengthHours":13.023529028679473,"dayLengthDisplay":"13 Hours 01 Mins 25 Secs","nightLengthDisplay":"10 Hours 58 Mins 35 Secs","moonriseLocal":"01:11","moonsetLocal":"14:18","rahuKala":{"name":"Rāhu Kāla","start":"10:46","end":"12:23","startHours":10.761264637677808,"endHours":12.389205766262743,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:39","end":"17:16","startHours":15.64508802343261,"endHours":17.273029152017543,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:30","end":"09:08","startHours":7.505382380507941,"endHours":9.133323509092875,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:21","startHours":8.916264691948216,"endHours":9.350382326237533,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:46","startHours":6.420088294784651,"endHours":6.7673824022161035,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:49","startHours":11.955088131973428,"endHours":12.823323400552058,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"05:01","startHours":4.140970714765743,"endHours":5.0092059833443745,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:53","startHours":4.792147166199717,"endHours":5.877441251923006,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:26","startHours":14.55979393770932,"endHours":15.428029206287952,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.70097028060248,"endHours":19.10097028060248,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:27","startHours":18.90097028060248,"endHours":19.443617323464125,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.65097028060248,"endHours":20.40097028060248,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:49","startHours":23.955088131973426,"endHours":24.823323400552056,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:53","end":"07:30","startHours":5.877441251923006,"endHours":7.505382380507941,"quality":"neutral"},{"name":"Labha","start":"07:30","end":"09:08","startHours":7.505382380507941,"endHours":9.133323509092875,"quality":"auspicious"},{"name":"Amṛta","start":"09:08","end":"10:46","startHours":9.133323509092875,"endHours":10.761264637677808,"quality":"auspicious"},{"name":"Kāla","start":"10:46","end":"12:23","startHours":10.761264637677808,"endHours":12.389205766262743,"quality":"inauspicious"},{"name":"Śubha","start":"12:23","end":"14:01","startHours":12.389205766262743,"endHours":14.017146894847677,"quality":"auspicious"},{"name":"Roga","start":"14:01","end":"15:39","startHours":14.017146894847677,"endHours":15.64508802343261,"quality":"inauspicious"},{"name":"Udveg","start":"15:39","end":"17:16","startHours":15.64508802343261,"endHours":17.273029152017543,"quality":"inauspicious"},{"name":"Chala","start":"17:16","end":"18:54","startHours":17.273029152017543,"endHours":18.90097028060248,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:54","end":"20:16","startHours":18.90097028060248,"endHours":20.273029152017546,"quality":"inauspicious"},{"name":"Udveg","start":"20:16","end":"21:39","startHours":20.273029152017546,"endHours":21.64508802343261,"quality":"inauspicious"},{"name":"Chala","start":"21:39","end":"23:01","startHours":21.64508802343261,"endHours":23.017146894847677,"quality":"neutral"},{"name":"Labha","start":"23:01","end":"00:23","startHours":23.017146894847677,"endHours":24.38920576626274,"quality":"auspicious"},{"name":"Amṛta","start":"00:23","end":"01:46","startHours":24.38920576626274,"endHours":25.761264637677808,"quality":"auspicious"},{"name":"Kāla","start":"01:46","end":"03:08","startHours":25.761264637677808,"endHours":27.133323509092875,"quality":"inauspicious"},{"name":"Śubha","start":"03:08","end":"04:30","startHours":27.133323509092875,"endHours":28.50538238050794,"quality":"auspicious"},{"name":"Roga","start":"04:30","end":"05:53","startHours":28.50538238050794,"endHours":29.877441251923006,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.877441251923006,"endHours":6.877441251923006,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.877441251923006,"endHours":7.877441251923006,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.877441251923006,"endHours":8.877441251923006,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.877441251923006,"endHours":9.877441251923006,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.877441251923006,"endHours":10.877441251923006,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.877441251923006,"endHours":11.877441251923006,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.877441251923006,"endHours":12.877441251923006,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.877441251923006,"endHours":13.877441251923006,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.877441251923006,"endHours":14.877441251923006,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.877441251923006,"endHours":15.877441251923006,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.877441251923006,"endHours":16.877441251923006,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.877441251923006,"endHours":17.877441251923006,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.877441251923006,"endHours":18.877441251923006,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.877441251923006,"endHours":19.877441251923006,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.877441251923006,"endHours":20.877441251923006,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.877441251923006,"endHours":21.877441251923006,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.877441251923006,"endHours":22.877441251923006,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.877441251923006,"endHours":23.877441251923006,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.877441251923006,"endHours":24.877441251923006,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.877441251923006,"endHours":25.877441251923006,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.877441251923006,"endHours":26.877441251923006,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.877441251923006,"endHours":27.877441251923006,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.877441251923006,"endHours":28.877441251923006,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.877441251923006,"endHours":29.877441251923006,"planetary_lord":"Mars"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.720818877496043,"eotMinutes":-13.357145975764517,"ayanamsa":23.5887}},"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 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 Daśamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":"mauritius"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 30, 1981 CE · Port Louis, Mauritius · Vidhyamitra","description":"January 30, 1981 CE for Port Louis, Mauritius: Kṛṣṇa Daśamī, sūryodaya 05:53, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mauritius/1981-01-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mauritius/1981-01-30","sa":"https://sa.vidhyamitra.com/city/mauritius/1981-01-30","hi":"https://hi.vidhyamitra.com/city/mauritius/1981-01-30","x-default":"https://vidhyamitra.com/city/mauritius/1981-01-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:51:51.547Z","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":"2026-06-01T21:51:51.547Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:51:51.547Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}