{"id":"vidhyamitra:city-day:sydney:1981-05-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/sydney/1981-05-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-05-28","date_display":"May 28, 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":5,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444752.770833,"kali_year":5083,"ahargana":1856287.2708,"sun":{"sidereal_longitude":42.9875,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":331.1816,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.1941,"elapsed_within_tithi_degrees":0.1941},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.1816,"elapsed_within_degrees":11.1816},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.1691},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":5,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444752.770833,"ahargana":1856287.2708,"kali_year":5083,"ayanamsa_lahiri":23.5932,"grahas":{"sun":{"sidereal_longitude":43.04402299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":327.82062299999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.2471},"mars":{"sidereal_longitude":30.76602300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":66.24402299999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":157.03672299999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":56.603223000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":159.21362299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":104.9673,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.9673,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"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":5,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444752.770833,"kali_year":5083,"ahargana":1856287.2708,"sun":{"sidereal_longitude":42.9875,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":331.1816,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.1941,"elapsed_within_tithi_degrees":0.1941},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.1816,"elapsed_within_degrees":11.1816},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.1691},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.247,"elongation":71.806},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.247,"opposition_distance":108.194}},"eclipse_window_40days":[]},"city":{"slug":"sydney","name":"Sydney, Australia","lat":-33.8688,"lon":151.2093,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"sydney","name":"Sydney, Australia","lat":-33.8688,"lon":151.2093,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:49","sunsetLocal":"16:56","solarNoonLocal":"11:52","dayLengthHours":10.113573361866806,"dayLengthDisplay":"10 Hours 06 Mins 49 Secs","nightLengthDisplay":"13 Hours 53 Mins 11 Secs","moonriseLocal":"00:39","moonsetLocal":"13:03","rahuKala":{"name":"Rāhu Kāla","start":"13:08","end":"14:24","startHours":13.13537977806257,"endHours":14.399576448295921,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:49","end":"08:05","startHours":6.814396426895816,"endHours":8.078593097129167,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:21","end":"10:36","startHours":9.342789767362518,"endHours":10.606986437595868,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:31","startHours":9.174230211331404,"endHours":9.511349323393631,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:30","startHours":7.2357953169736,"endHours":7.505490606623381,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:12","startHours":11.53406399576699,"endHours":12.208302219891445,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:28","end":"06:08","startHours":5.465919978646909,"endHours":6.140158202771362,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:49","startHours":5.971598646740249,"endHours":6.814396426895816,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:33","end":"14:14","startHours":13.556778668140353,"endHours":14.231016892264806,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:44","end":"17:08","startHours":16.72796978876262,"endHours":17.12796978876262,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:56","end":"17:21","startHours":16.92796978876262,"endHours":17.349368678840403,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:41","end":"18:26","startHours":16.67796978876262,"endHours":18.42796978876262,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:12","startHours":23.534063995766992,"endHours":24.208302219891443,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:49","end":"08:05","startHours":6.814396426895816,"endHours":8.078593097129167,"quality":"auspicious"},{"name":"Roga","start":"08:05","end":"09:21","startHours":8.078593097129167,"endHours":9.342789767362518,"quality":"inauspicious"},{"name":"Udveg","start":"09:21","end":"10:36","startHours":9.342789767362518,"endHours":10.606986437595868,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"11:52","startHours":10.606986437595868,"endHours":11.871183107829218,"quality":"neutral"},{"name":"Labha","start":"11:52","end":"13:08","startHours":11.871183107829218,"endHours":13.13537977806257,"quality":"auspicious"},{"name":"Amṛta","start":"13:08","end":"14:24","startHours":13.13537977806257,"endHours":14.399576448295921,"quality":"auspicious"},{"name":"Kāla","start":"14:24","end":"15:40","startHours":14.399576448295921,"endHours":15.66377311852927,"quality":"inauspicious"},{"name":"Śubha","start":"15:40","end":"16:56","startHours":15.66377311852927,"endHours":16.92796978876262,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"16:56","end":"18:40","startHours":16.92796978876262,"endHours":18.66377311852927,"quality":"auspicious"},{"name":"Kāla","start":"18:40","end":"20:24","startHours":18.66377311852927,"endHours":20.399576448295917,"quality":"inauspicious"},{"name":"Śubha","start":"20:24","end":"22:08","startHours":20.399576448295917,"endHours":22.135379778062568,"quality":"auspicious"},{"name":"Roga","start":"22:08","end":"23:52","startHours":22.135379778062568,"endHours":23.871183107829218,"quality":"inauspicious"},{"name":"Udveg","start":"23:52","end":"01:36","startHours":23.871183107829218,"endHours":25.606986437595868,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:21","startHours":25.606986437595868,"endHours":27.342789767362518,"quality":"neutral"},{"name":"Labha","start":"03:21","end":"05:05","startHours":27.342789767362518,"endHours":29.078593097129165,"quality":"auspicious"},{"name":"Amṛta","start":"05:05","end":"06:49","startHours":29.078593097129165,"endHours":30.814396426895815,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:49","end":"07:49","startHours":6.814396426895816,"endHours":7.814396426895816,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:49","end":"08:49","startHours":7.814396426895816,"endHours":8.814396426895815,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:49","end":"09:49","startHours":8.814396426895815,"endHours":9.814396426895815,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:49","end":"10:49","startHours":9.814396426895815,"endHours":10.814396426895815,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:49","end":"11:49","startHours":10.814396426895815,"endHours":11.814396426895815,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:49","end":"12:49","startHours":11.814396426895815,"endHours":12.814396426895815,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:49","end":"13:49","startHours":12.814396426895815,"endHours":13.814396426895815,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:49","end":"14:49","startHours":13.814396426895815,"endHours":14.814396426895815,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:49","end":"15:49","startHours":14.814396426895815,"endHours":15.814396426895815,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:49","end":"16:49","startHours":15.814396426895815,"endHours":16.814396426895815,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:49","end":"17:49","startHours":16.814396426895815,"endHours":17.814396426895815,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:49","end":"18:49","startHours":17.814396426895815,"endHours":18.814396426895815,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:49","end":"19:49","startHours":18.814396426895815,"endHours":19.814396426895815,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:49","end":"20:49","startHours":19.814396426895815,"endHours":20.814396426895815,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:49","end":"21:49","startHours":20.814396426895815,"endHours":21.814396426895815,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:49","end":"22:49","startHours":21.814396426895815,"endHours":22.814396426895815,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:49","end":"23:49","startHours":22.814396426895815,"endHours":23.814396426895815,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:49","end":"00:49","startHours":23.814396426895815,"endHours":24.814396426895815,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:49","end":"01:49","startHours":24.814396426895815,"endHours":25.814396426895815,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:49","end":"02:49","startHours":25.814396426895815,"endHours":26.814396426895815,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:49","end":"03:49","startHours":26.814396426895815,"endHours":27.814396426895815,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:49","end":"04:49","startHours":27.814396426895815,"endHours":28.814396426895815,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:49","end":"05:49","startHours":28.814396426895815,"endHours":29.814396426895815,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:49","end":"06:49","startHours":29.814396426895815,"endHours":30.814396426895815,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.415174006712324,"eotMinutes":2.8918135302468597,"ayanamsa":23.5932}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Daśamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"sydney"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 28, 1981 CE · Sydney, Australia · Vidhyamitra","description":"May 28, 1981 CE for Sydney, Australia: Kṛṣṇa Daśamī, sūryodaya 06:49, sūryāsta 16:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/sydney/1981-05-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/sydney/1981-05-28","sa":"https://sa.vidhyamitra.com/city/sydney/1981-05-28","hi":"https://hi.vidhyamitra.com/city/sydney/1981-05-28","x-default":"https://vidhyamitra.com/city/sydney/1981-05-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T02:54:58.042Z","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":"2026-06-03T02:54:58.042Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T02:54:58.042Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}