{"id":"vidhyamitra:city-day:melbourne:1981-12-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/1981-12-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-12-27","date_display":"December 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":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444965.770833,"kali_year":5083,"ahargana":1856500.2708,"sun":{"sidereal_longitude":251.3624,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":258.9722,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.6098,"elapsed_within_tithi_degrees":7.6098},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.9722,"elapsed_within_degrees":5.6389},"yoga":{"number":12,"name":"Dhruva","sum_longitude":150.3346},"karana":{"half_tithi_index":1,"name":"Bava"},"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":12,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444965.770833,"ahargana":1856500.2708,"kali_year":5083,"ayanamsa_lahiri":23.6014,"grahas":{"sun":{"sidereal_longitude":251.59738500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":258.437585,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":1.1415},"mars":{"sidereal_longitude":161.58318499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":261.26078499999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":192.14468499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":285.08138499999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":177.27588500000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":93.6815,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":273.6815,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1981,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444965.770833,"kali_year":5083,"ahargana":1856500.2708,"sun":{"sidereal_longitude":251.3624,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":258.9722,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.6098,"elapsed_within_tithi_degrees":7.6098},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.9722,"elapsed_within_degrees":5.6389},"yoga":{"number":12,"name":"Dhruva","sum_longitude":150.3346},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.142,"elongation":7.61},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.142,"opposition_distance":172.39}},"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":"04:58","sunsetLocal":"19:45","solarNoonLocal":"12:22","dayLengthHours":14.770969894736165,"dayLengthDisplay":"14 Hours 46 Mins 15 Secs","nightLengthDisplay":"9 Hours 13 Mins 45 Secs","moonriseLocal":"05:29","moonsetLocal":"20:09","rahuKala":{"name":"Rāhu Kāla","start":"17:54","end":"19:45","startHours":17.898652145783245,"endHours":19.745023382625266,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:22","end":"14:12","startHours":12.359538435257184,"endHours":14.205909672099205,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"16:03","end":"17:54","startHours":16.052280908941224,"endHours":17.898652145783245,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:25","end":"08:55","startHours":8.420613129994207,"endHours":8.912978793152078,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:35","end":"05:59","startHours":5.5895105668364415,"endHours":5.983403097362739,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:51","startHours":11.86717277209931,"endHours":12.851904098415057,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:00","end":"03:59","startHours":3.0045908352576127,"endHours":3.989322161573357,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:45","end":"04:58","startHours":3.7431393299944205,"endHours":4.974053487889101,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:49","end":"15:48","startHours":14.821366751046545,"endHours":15.80609807736229,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:33","end":"19:57","startHours":19.545023382625267,"endHours":19.945023382625266,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:45","end":"20:22","startHours":19.745023382625266,"endHours":20.360480461572607,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:30","end":"21:15","startHours":19.495023382625266,"endHours":21.245023382625266,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:51","startHours":23.867172772099313,"endHours":24.85190409841506,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"04:58","end":"06:49","startHours":4.974053487889101,"endHours":6.820424724731122,"quality":"inauspicious"},{"name":"Chala","start":"06:49","end":"08:40","startHours":6.820424724731122,"endHours":8.666795961573143,"quality":"neutral"},{"name":"Labha","start":"08:40","end":"10:31","startHours":8.666795961573143,"endHours":10.513167198415163,"quality":"auspicious"},{"name":"Amṛta","start":"10:31","end":"12:22","startHours":10.513167198415163,"endHours":12.359538435257184,"quality":"auspicious"},{"name":"Kāla","start":"12:22","end":"14:12","startHours":12.359538435257184,"endHours":14.205909672099205,"quality":"inauspicious"},{"name":"Śubha","start":"14:12","end":"16:03","startHours":14.205909672099205,"endHours":16.052280908941224,"quality":"auspicious"},{"name":"Roga","start":"16:03","end":"17:54","startHours":16.052280908941224,"endHours":17.898652145783245,"quality":"inauspicious"},{"name":"Udveg","start":"17:54","end":"19:45","startHours":17.898652145783245,"endHours":19.745023382625266,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:45","end":"20:54","startHours":19.745023382625266,"endHours":20.898652145783245,"quality":"auspicious"},{"name":"Roga","start":"20:54","end":"22:03","startHours":20.898652145783245,"endHours":22.052280908941224,"quality":"inauspicious"},{"name":"Udveg","start":"22:03","end":"23:12","startHours":22.052280908941224,"endHours":23.205909672099203,"quality":"inauspicious"},{"name":"Chala","start":"23:12","end":"00:22","startHours":23.205909672099203,"endHours":24.359538435257186,"quality":"neutral"},{"name":"Labha","start":"00:22","end":"01:31","startHours":24.359538435257186,"endHours":25.51316719841516,"quality":"auspicious"},{"name":"Amṛta","start":"01:31","end":"02:40","startHours":25.51316719841516,"endHours":26.666795961573143,"quality":"auspicious"},{"name":"Kāla","start":"02:40","end":"03:49","startHours":26.666795961573143,"endHours":27.820424724731122,"quality":"inauspicious"},{"name":"Śubha","start":"03:49","end":"04:58","startHours":27.820424724731122,"endHours":28.9740534878891,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:58","end":"05:58","startHours":4.974053487889101,"endHours":5.974053487889101,"planetary_lord":"Sun"},{"name":"Hora 2","start":"05:58","end":"06:58","startHours":5.974053487889101,"endHours":6.974053487889101,"planetary_lord":"Mars"},{"name":"Hora 3","start":"06:58","end":"07:58","startHours":6.974053487889101,"endHours":7.974053487889101,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"07:58","end":"08:58","startHours":7.974053487889101,"endHours":8.974053487889101,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"08:58","end":"09:58","startHours":8.974053487889101,"endHours":9.974053487889101,"planetary_lord":"Moon"},{"name":"Hora 6","start":"09:58","end":"10:58","startHours":9.974053487889101,"endHours":10.974053487889101,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"10:58","end":"11:58","startHours":10.974053487889101,"endHours":11.974053487889101,"planetary_lord":"Venus"},{"name":"Hora 8","start":"11:58","end":"12:58","startHours":11.974053487889101,"endHours":12.974053487889101,"planetary_lord":"Sun"},{"name":"Hora 9","start":"12:58","end":"13:58","startHours":12.974053487889101,"endHours":13.974053487889101,"planetary_lord":"Mars"},{"name":"Hora 10","start":"13:58","end":"14:58","startHours":13.974053487889101,"endHours":14.974053487889101,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"14:58","end":"15:58","startHours":14.974053487889101,"endHours":15.974053487889101,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"15:58","end":"16:58","startHours":15.974053487889101,"endHours":16.9740534878891,"planetary_lord":"Moon"},{"name":"Hora 13","start":"16:58","end":"17:58","startHours":16.9740534878891,"endHours":17.9740534878891,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"17:58","end":"18:58","startHours":17.9740534878891,"endHours":18.9740534878891,"planetary_lord":"Venus"},{"name":"Hora 15","start":"18:58","end":"19:58","startHours":18.9740534878891,"endHours":19.9740534878891,"planetary_lord":"Sun"},{"name":"Hora 16","start":"19:58","end":"20:58","startHours":19.9740534878891,"endHours":20.9740534878891,"planetary_lord":"Mars"},{"name":"Hora 17","start":"20:58","end":"21:58","startHours":20.9740534878891,"endHours":21.9740534878891,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"21:58","end":"22:58","startHours":21.9740534878891,"endHours":22.9740534878891,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"22:58","end":"23:58","startHours":22.9740534878891,"endHours":23.9740534878891,"planetary_lord":"Moon"},{"name":"Hora 20","start":"23:58","end":"00:58","startHours":23.9740534878891,"endHours":24.9740534878891,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"00:58","end":"01:58","startHours":24.9740534878891,"endHours":25.9740534878891,"planetary_lord":"Venus"},{"name":"Hora 22","start":"01:58","end":"02:58","startHours":25.9740534878891,"endHours":26.9740534878891,"planetary_lord":"Sun"},{"name":"Hora 23","start":"02:58","end":"03:58","startHours":26.9740534878891,"endHours":27.9740534878891,"planetary_lord":"Mars"},{"name":"Hora 24","start":"03:58","end":"04:58","startHours":27.9740534878891,"endHours":28.9740534878891,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.334366114996236,"eotMinutes":-1.4247061154310068,"ayanamsa":23.6014}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pratipada · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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":"melbourne"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 27, 1981 CE · Melbourne, Australia · Vidhyamitra","description":"December 27, 1981 CE for Melbourne, Australia: Śukla Pratipada, sūryodaya 04:58, sūryāsta 19:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/1981-12-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/1981-12-27","sa":"https://sa.vidhyamitra.com/city/melbourne/1981-12-27","hi":"https://hi.vidhyamitra.com/city/melbourne/1981-12-27","x-default":"https://vidhyamitra.com/city/melbourne/1981-12-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:00:05.712Z","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":"2026-06-01T02:00:05.712Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:00:05.712Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}