{"id":"vidhyamitra:city-day:sydney:1981-06-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/sydney/1981-06-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-06-11","date_display":"June 11, 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":6,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444766.770833,"kali_year":5083,"ahargana":1856301.2708,"sun":{"sidereal_longitude":56.2981,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":161.5991,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.301,"elapsed_within_tithi_degrees":9.301},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":161.5991,"elapsed_within_degrees":1.5991},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.8971},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":6,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444766.770833,"ahargana":1856301.2708,"kali_year":5083,"ayanamsa_lahiri":23.5938,"grahas":{"sun":{"sidereal_longitude":56.45018900000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":164.04508899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":3.7888},"mars":{"sidereal_longitude":40.786989000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":71.906589,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":157.36308899999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":73.74768900000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":159.177189,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":104.2255,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.2255,"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":6,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444766.770833,"kali_year":5083,"ahargana":1856301.2708,"sun":{"sidereal_longitude":56.2981,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":161.5991,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.301,"elapsed_within_tithi_degrees":9.301},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":161.5991,"elapsed_within_degrees":1.5991},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.8971},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.789,"elongation":105.301},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.789,"opposition_distance":74.699}},"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":"06:56","sunsetLocal":"16:53","solarNoonLocal":"11:55","dayLengthHours":9.937275782248795,"dayLengthDisplay":"9 Hours 56 Mins 14 Secs","nightLengthDisplay":"14 Hours 03 Mins 46 Secs","moonriseLocal":"12:54","moonsetLocal":"01:16","rahuKala":{"name":"Rāhu Kāla","start":"13:09","end":"14:24","startHours":13.151327294813456,"endHours":14.393486767594554,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:56","end":"08:11","startHours":6.9405299309079584,"endHours":8.182689403689057,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:25","end":"10:40","startHours":9.424848876470158,"endHours":10.667008349251256,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:35","startHours":9.259227613432678,"endHours":9.590470139507637,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:37","startHours":7.354583088501658,"endHours":7.619577109361626,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:14","startHours":11.577925295957396,"endHours":12.240410348107314,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:17","startHours":5.615559826608119,"endHours":6.278044878758038,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"06:56","startHours":6.112423615720559,"endHours":6.9405299309079584,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:34","end":"14:14","startHours":13.565380452407155,"endHours":14.227865504557075,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:41","end":"17:05","startHours":16.677805713156754,"endHours":17.077805713156753,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:53","end":"17:18","startHours":16.877805713156754,"endHours":17.291858870750453,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:38","end":"18:23","startHours":16.627805713156754,"endHours":18.377805713156754,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:14","startHours":23.577925295957396,"endHours":24.240410348107314,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:56","end":"08:11","startHours":6.9405299309079584,"endHours":8.182689403689057,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:25","startHours":8.182689403689057,"endHours":9.424848876470158,"quality":"inauspicious"},{"name":"Udveg","start":"09:25","end":"10:40","startHours":9.424848876470158,"endHours":10.667008349251256,"quality":"inauspicious"},{"name":"Chala","start":"10:40","end":"11:55","startHours":10.667008349251256,"endHours":11.909167822032355,"quality":"neutral"},{"name":"Labha","start":"11:55","end":"13:09","startHours":11.909167822032355,"endHours":13.151327294813456,"quality":"auspicious"},{"name":"Amṛta","start":"13:09","end":"14:24","startHours":13.151327294813456,"endHours":14.393486767594554,"quality":"auspicious"},{"name":"Kāla","start":"14:24","end":"15:38","startHours":14.393486767594554,"endHours":15.635646240375655,"quality":"inauspicious"},{"name":"Śubha","start":"15:38","end":"16:53","startHours":15.635646240375655,"endHours":16.877805713156754,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"16:53","end":"18:38","startHours":16.877805713156754,"endHours":18.635646240375653,"quality":"auspicious"},{"name":"Kāla","start":"18:38","end":"20:24","startHours":18.635646240375653,"endHours":20.393486767594556,"quality":"inauspicious"},{"name":"Śubha","start":"20:24","end":"22:09","startHours":20.393486767594556,"endHours":22.151327294813456,"quality":"auspicious"},{"name":"Roga","start":"22:09","end":"23:55","startHours":22.151327294813456,"endHours":23.909167822032355,"quality":"inauspicious"},{"name":"Udveg","start":"23:55","end":"01:40","startHours":23.909167822032355,"endHours":25.667008349251255,"quality":"inauspicious"},{"name":"Chala","start":"01:40","end":"03:25","startHours":25.667008349251255,"endHours":27.424848876470158,"quality":"neutral"},{"name":"Labha","start":"03:25","end":"05:11","startHours":27.424848876470158,"endHours":29.182689403689057,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:56","startHours":29.182689403689057,"endHours":30.940529930907957,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.9405299309079584,"endHours":7.9405299309079584,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.9405299309079584,"endHours":8.940529930907958,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.940529930907958,"endHours":9.940529930907958,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.940529930907958,"endHours":10.940529930907958,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.940529930907958,"endHours":11.940529930907958,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.940529930907958,"endHours":12.940529930907958,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.940529930907958,"endHours":13.940529930907958,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.940529930907958,"endHours":14.940529930907958,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.940529930907958,"endHours":15.940529930907958,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.940529930907958,"endHours":16.940529930907957,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.940529930907957,"endHours":17.940529930907957,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.940529930907957,"endHours":18.940529930907957,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.940529930907957,"endHours":19.940529930907957,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.940529930907957,"endHours":20.940529930907957,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.940529930907957,"endHours":21.940529930907957,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.940529930907957,"endHours":22.940529930907957,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.940529930907957,"endHours":23.940529930907957,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.940529930907957,"endHours":24.940529930907957,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.940529930907957,"endHours":25.940529930907957,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.940529930907957,"endHours":26.940529930907957,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.940529930907957,"endHours":27.940529930907957,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.940529930907957,"endHours":28.940529930907957,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.940529930907957,"endHours":29.940529930907957,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.940529930907957,"endHours":30.940529930907957,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","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":23.062992599075155,"eotMinutes":0.6127306780586468,"ayanamsa":23.5938}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","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 Śukla Navamī · 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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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 June 11, 1981 CE · Sydney, Australia · Vidhyamitra","description":"June 11, 1981 CE for Sydney, Australia: Śukla Navamī, sūryodaya 06:56, sūryāsta 16:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/sydney/1981-06-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/sydney/1981-06-11","sa":"https://sa.vidhyamitra.com/city/sydney/1981-06-11","hi":"https://hi.vidhyamitra.com/city/sydney/1981-06-11","x-default":"https://vidhyamitra.com/city/sydney/1981-06-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:48:10.937Z","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":"2026-06-02T21:48:10.937Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:48:10.937Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}