{"id":"vidhyamitra:city-day:melbourne:1981-08-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/1981-08-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-09","date_display":"August 9, 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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444825.770833,"kali_year":5083,"ahargana":1856360.2708,"sun":{"sidereal_longitude":112.2432,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":215.6906,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":103.4474,"elapsed_within_tithi_degrees":7.4474},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.6906,"elapsed_within_degrees":2.3573},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.9338},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":8,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444825.770833,"ahargana":1856360.2708,"kali_year":5083,"ayanamsa_lahiri":23.596,"grahas":{"sun":{"sidereal_longitude":112.781634,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":216.214334,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":4.0911},"mars":{"sidereal_longitude":81.102934,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":111.73303399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":164.127834,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":145.27223400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":162.386034,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.0994,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.0994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444825.770833,"kali_year":5083,"ahargana":1856360.2708,"sun":{"sidereal_longitude":112.2432,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":215.6906,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":103.4474,"elapsed_within_tithi_degrees":7.4474},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.6906,"elapsed_within_degrees":2.3573},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.9338},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.091,"elongation":103.447},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.091,"opposition_distance":76.553}},"eclipse_window_40days":[{"offset_days":-9,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"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":"07:12","sunsetLocal":"17:39","solarNoonLocal":"12:25","dayLengthHours":10.443715322396631,"dayLengthDisplay":"10 Hours 26 Mins 37 Secs","nightLengthDisplay":"13 Hours 33 Mins 23 Secs","moonriseLocal":"12:10","moonsetLocal":"02:28","rahuKala":{"name":"Rāhu Kāla","start":"16:20","end":"17:39","startHours":16.33905197706761,"endHours":17.644516392367187,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:25","end":"13:44","startHours":12.42265873116887,"endHours":13.728123146468448,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:02","end":"16:20","startHours":15.033587561768028,"endHours":16.33905197706761,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.63766797852977,"endHours":9.985791822609656,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.635955875070414,"endHours":7.914454950334324,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:46","startHours":12.074534887088983,"endHours":12.77078257524876,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:30","startHours":5.808305693651004,"endHours":6.50455338181078,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:12","startHours":6.330491459770836,"endHours":7.200801069970555,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:52","startHours":14.16327795156831,"endHours":14.859525639728085,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.444516392367188,"endHours":17.844516392367186,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:05","startHours":17.644516392367187,"endHours":18.079671197467047,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.394516392367187,"endHours":19.144516392367187,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:46","startHours":24.074534887088987,"endHours":24.77078257524876,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:12","end":"08:30","startHours":7.200801069970555,"endHours":8.506265485270134,"quality":"inauspicious"},{"name":"Chala","start":"08:30","end":"09:49","startHours":8.506265485270134,"endHours":9.811729900569713,"quality":"neutral"},{"name":"Labha","start":"09:49","end":"11:07","startHours":9.811729900569713,"endHours":11.117194315869291,"quality":"auspicious"},{"name":"Amṛta","start":"11:07","end":"12:25","startHours":11.117194315869291,"endHours":12.42265873116887,"quality":"auspicious"},{"name":"Kāla","start":"12:25","end":"13:44","startHours":12.42265873116887,"endHours":13.728123146468448,"quality":"inauspicious"},{"name":"Śubha","start":"13:44","end":"15:02","startHours":13.728123146468448,"endHours":15.033587561768028,"quality":"auspicious"},{"name":"Roga","start":"15:02","end":"16:20","startHours":15.033587561768028,"endHours":16.33905197706761,"quality":"inauspicious"},{"name":"Udveg","start":"16:20","end":"17:39","startHours":16.33905197706761,"endHours":17.644516392367187,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:39","end":"19:20","startHours":17.644516392367187,"endHours":19.33905197706761,"quality":"auspicious"},{"name":"Roga","start":"19:20","end":"21:02","startHours":19.33905197706761,"endHours":21.03358756176803,"quality":"inauspicious"},{"name":"Udveg","start":"21:02","end":"22:44","startHours":21.03358756176803,"endHours":22.728123146468448,"quality":"inauspicious"},{"name":"Chala","start":"22:44","end":"00:25","startHours":22.728123146468448,"endHours":24.422658731168873,"quality":"neutral"},{"name":"Labha","start":"00:25","end":"02:07","startHours":24.422658731168873,"endHours":26.11719431586929,"quality":"auspicious"},{"name":"Amṛta","start":"02:07","end":"03:49","startHours":26.11719431586929,"endHours":27.811729900569713,"quality":"auspicious"},{"name":"Kāla","start":"03:49","end":"05:30","startHours":27.811729900569713,"endHours":29.506265485270134,"quality":"inauspicious"},{"name":"Śubha","start":"05:30","end":"07:12","startHours":29.506265485270134,"endHours":31.200801069970556,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.200801069970555,"endHours":8.200801069970556,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.200801069970556,"endHours":9.200801069970556,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.200801069970556,"endHours":10.200801069970556,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.200801069970556,"endHours":11.200801069970556,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.200801069970556,"endHours":12.200801069970556,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.200801069970556,"endHours":13.200801069970556,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.200801069970556,"endHours":14.200801069970556,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.200801069970556,"endHours":15.200801069970556,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.200801069970556,"endHours":16.200801069970556,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.200801069970556,"endHours":17.200801069970556,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.200801069970556,"endHours":18.200801069970556,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.200801069970556,"endHours":19.200801069970556,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.200801069970556,"endHours":20.200801069970556,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.200801069970556,"endHours":21.200801069970556,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.200801069970556,"endHours":22.200801069970556,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.200801069970556,"endHours":23.200801069970556,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.200801069970556,"endHours":24.200801069970556,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.200801069970556,"endHours":25.200801069970556,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.200801069970556,"endHours":26.200801069970556,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.200801069970556,"endHours":27.200801069970556,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.200801069970556,"endHours":28.200801069970556,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.200801069970556,"endHours":29.200801069970556,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.200801069970556,"endHours":30.200801069970556,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.200801069970556,"endHours":31.200801069970556,"planetary_lord":"Jupiter"}],"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":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.92605224506583,"eotMinutes":-5.211923870132258,"ayanamsa":23.596}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Navamī · 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":[{"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":"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 9, 1981 CE · Melbourne, Australia · Vidhyamitra","description":"August 9, 1981 CE for Melbourne, Australia: Śukla Navamī, sūryodaya 07:12, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/1981-08-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/1981-08-09","sa":"https://sa.vidhyamitra.com/city/melbourne/1981-08-09","hi":"https://hi.vidhyamitra.com/city/melbourne/1981-08-09","x-default":"https://vidhyamitra.com/city/melbourne/1981-08-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:34:15.343Z","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":"2026-05-31T23:34:15.343Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:34:15.343Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}