{"id":"vidhyamitra:city-day:melbourne:1981-08-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/1981-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-31","date_display":"August 31, 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":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444847.770833,"kali_year":5083,"ahargana":1856382.2708,"sun":{"sidereal_longitude":133.3218,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.7444,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":19.4225,"elapsed_within_tithi_degrees":7.4225},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.7444,"elapsed_within_degrees":6.0777},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.0662},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":8,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444847.770833,"ahargana":1856382.2708,"kali_year":5083,"ayanamsa_lahiri":23.5969,"grahas":{"sun":{"sidereal_longitude":133.96119399999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":151.03779399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":3.5835},"mars":{"sidereal_longitude":95.357394,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":152.05609400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":168.19969400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":171.47319399999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":164.63849400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":99.9338,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.9338,"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":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444847.770833,"kali_year":5083,"ahargana":1856382.2708,"sun":{"sidereal_longitude":133.3218,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.7444,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":19.4225,"elapsed_within_tithi_degrees":7.4225},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.7444,"elapsed_within_degrees":6.0777},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.0662},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.584,"elongation":19.423},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.584,"opposition_distance":160.577}},"eclipse_window_40days":[]},"city":{"slug":"melbourne","name":"Melbourne, Australia","lat":-37.8136,"lon":144.9631,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"melbourne","name":"Melbourne, Australia","lat":-37.8136,"lon":144.9631,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:43","sunsetLocal":"17:57","solarNoonLocal":"12:20","dayLengthHours":11.230206222279962,"dayLengthDisplay":"11 Hours 13 Mins 49 Secs","nightLengthDisplay":"12 Hours 46 Mins 11 Secs","moonriseLocal":"07:32","moonsetLocal":"19:25","rahuKala":{"name":"Rāhu Kāla","start":"08:07","end":"09:32","startHours":8.12203950792189,"endHours":9.525815285706885,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:56","end":"12:20","startHours":10.92959106349188,"endHours":12.333366841276877,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:44","end":"15:08","startHours":13.73714261906187,"endHours":15.140918396846867,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:43","startHours":9.338645182002221,"endHours":9.712985389411552,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:29","startHours":7.18618898939856,"endHours":7.485661155326025,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:42","startHours":11.959026633867545,"endHours":12.70770704868621,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:13","end":"05:58","startHours":5.220902900499567,"endHours":5.969583315318231,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:43","startHours":5.782413211613565,"endHours":6.718263730136895,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:57","startHours":14.205067878323536,"endHours":14.953748293142201,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.74846995241686,"endHours":18.148469952416857,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:25","startHours":17.948469952416858,"endHours":18.416395211678523,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.698469952416858,"endHours":19.448469952416858,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:42","startHours":23.959026633867545,"endHours":24.70770704868621,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:43","end":"08:07","startHours":6.718263730136895,"endHours":8.12203950792189,"quality":"auspicious"},{"name":"Kāla","start":"08:07","end":"09:32","startHours":8.12203950792189,"endHours":9.525815285706885,"quality":"inauspicious"},{"name":"Śubha","start":"09:32","end":"10:56","startHours":9.525815285706885,"endHours":10.92959106349188,"quality":"auspicious"},{"name":"Roga","start":"10:56","end":"12:20","startHours":10.92959106349188,"endHours":12.333366841276877,"quality":"inauspicious"},{"name":"Udveg","start":"12:20","end":"13:44","startHours":12.333366841276877,"endHours":13.73714261906187,"quality":"inauspicious"},{"name":"Chala","start":"13:44","end":"15:08","startHours":13.73714261906187,"endHours":15.140918396846867,"quality":"neutral"},{"name":"Labha","start":"15:08","end":"16:33","startHours":15.140918396846867,"endHours":16.544694174631864,"quality":"auspicious"},{"name":"Amṛta","start":"16:33","end":"17:57","startHours":16.544694174631864,"endHours":17.948469952416858,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:57","end":"19:33","startHours":17.948469952416858,"endHours":19.54469417463186,"quality":"neutral"},{"name":"Labha","start":"19:33","end":"21:08","startHours":19.54469417463186,"endHours":21.140918396846867,"quality":"auspicious"},{"name":"Amṛta","start":"21:08","end":"22:44","startHours":21.140918396846867,"endHours":22.73714261906187,"quality":"auspicious"},{"name":"Kāla","start":"22:44","end":"00:20","startHours":22.73714261906187,"endHours":24.333366841276877,"quality":"inauspicious"},{"name":"Śubha","start":"00:20","end":"01:56","startHours":24.333366841276877,"endHours":25.92959106349188,"quality":"auspicious"},{"name":"Roga","start":"01:56","end":"03:32","startHours":25.92959106349188,"endHours":27.525815285706884,"quality":"inauspicious"},{"name":"Udveg","start":"03:32","end":"05:07","startHours":27.525815285706884,"endHours":29.12203950792189,"quality":"inauspicious"},{"name":"Chala","start":"05:07","end":"06:43","startHours":29.12203950792189,"endHours":30.718263730136897,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.718263730136895,"endHours":7.718263730136895,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.718263730136895,"endHours":8.718263730136895,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.718263730136895,"endHours":9.718263730136895,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.718263730136895,"endHours":10.718263730136895,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.718263730136895,"endHours":11.718263730136895,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.718263730136895,"endHours":12.718263730136895,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.718263730136895,"endHours":13.718263730136895,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.718263730136895,"endHours":14.718263730136895,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.718263730136895,"endHours":15.718263730136895,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.718263730136895,"endHours":16.718263730136897,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.718263730136897,"endHours":17.718263730136897,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.718263730136897,"endHours":18.718263730136897,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.718263730136897,"endHours":19.718263730136897,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.718263730136897,"endHours":20.718263730136897,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.718263730136897,"endHours":21.718263730136897,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.718263730136897,"endHours":22.718263730136897,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.718263730136897,"endHours":23.718263730136897,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.718263730136897,"endHours":24.718263730136897,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.718263730136897,"endHours":25.718263730136897,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.718263730136897,"endHours":26.718263730136897,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.718263730136897,"endHours":27.718263730136897,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.718263730136897,"endHours":28.718263730136897,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.718263730136897,"endHours":29.718263730136897,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.718263730136897,"endHours":30.718263730136897,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.733164765444263,"eotMinutes":0.14558952338733633,"ayanamsa":23.5969}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"melbourne"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 31, 1981 CE · Melbourne, Australia · Vidhyamitra","description":"August 31, 1981 CE for Melbourne, Australia: Śukla Dvitīyā, sūryodaya 06:43, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/1981-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/1981-08-31","sa":"https://sa.vidhyamitra.com/city/melbourne/1981-08-31","hi":"https://hi.vidhyamitra.com/city/melbourne/1981-08-31","x-default":"https://vidhyamitra.com/city/melbourne/1981-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T22:50:35.818Z","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":"2026-05-30T22:50:35.818Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T22:50:35.818Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}