{"id":"vidhyamitra:city-day:perth:2009-07-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2009-07-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-07-27","date_display":"July 27, 2009 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":2009,"month":7,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455039.770833,"kali_year":5111,"ahargana":1866574.2708,"sun":{"sidereal_longitude":99.6439,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":164.327,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.6831,"elapsed_within_tithi_degrees":4.6831},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":164.327,"elapsed_within_degrees":4.327},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.9708},"karana":{"half_tithi_index":10,"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":2009,"month":7,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455039.770833,"ahargana":1866574.2708,"kali_year":5111,"ayanamsa_lahiri":23.9867,"grahas":{"sun":{"sidereal_longitude":100.17328399999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":167.21678399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":-4.058},"mars":{"sidereal_longitude":46.23938399999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":113.76648399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":300.783684,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":60.088584000000026,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":144.622684,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":279.9125,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":99.9125,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2009,"month":7,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455039.770833,"kali_year":5111,"ahargana":1866574.2708,"sun":{"sidereal_longitude":99.6439,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":164.327,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.6831,"elapsed_within_tithi_degrees":4.6831},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":164.327,"elapsed_within_degrees":4.327},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.9708},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.058,"elongation":64.683},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.058,"opposition_distance":115.317}},"eclipse_window_40days":[{"offset_days":-5,"type":"solar","occurs":true,"moon_latitude":0.483,"elongation":0.894},{"offset_days":10,"type":"lunar","occurs":true,"moon_latitude":0.825,"opposition_distance":0.804}]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"07:09","sunsetLocal":"17:37","solarNoonLocal":"12:23","dayLengthHours":10.467802841622955,"dayLengthDisplay":"10 Hours 28 Mins 04 Secs","nightLengthDisplay":"13 Hours 31 Mins 56 Secs","moonriseLocal":"10:37","moonsetLocal":"23:05","rahuKala":{"name":"Rāhu Kāla","start":"08:27","end":"09:46","startHours":8.453588162554688,"endHours":9.762063517757557,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:04","end":"12:23","startHours":11.070538872960427,"endHours":12.379014228163296,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:41","end":"15:00","startHours":13.687489583366165,"endHours":14.995964938569035,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:56","startHours":9.587600137063841,"endHours":9.936526898451273,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:52","startHours":7.581271259086107,"endHours":7.860412668196052,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.030087466775864,"endHours":12.727940989550728,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:27","startHours":5.74940576180209,"endHours":6.447259284576954,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:09","startHours":6.272795903883238,"endHours":7.1451128073518175,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:49","startHours":14.123648035100455,"endHours":14.821501557875319,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:25","end":"17:49","startHours":17.412915648974774,"endHours":17.812915648974773,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:37","end":"18:03","startHours":17.612915648974774,"endHours":18.049074100709063,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:22","end":"19:07","startHours":17.362915648974774,"endHours":19.112915648974774,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.030087466775864,"endHours":24.727940989550728,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:09","end":"08:27","startHours":7.1451128073518175,"endHours":8.453588162554688,"quality":"auspicious"},{"name":"Kāla","start":"08:27","end":"09:46","startHours":8.453588162554688,"endHours":9.762063517757557,"quality":"inauspicious"},{"name":"Śubha","start":"09:46","end":"11:04","startHours":9.762063517757557,"endHours":11.070538872960427,"quality":"auspicious"},{"name":"Roga","start":"11:04","end":"12:23","startHours":11.070538872960427,"endHours":12.379014228163296,"quality":"inauspicious"},{"name":"Udveg","start":"12:23","end":"13:41","startHours":12.379014228163296,"endHours":13.687489583366165,"quality":"inauspicious"},{"name":"Chala","start":"13:41","end":"15:00","startHours":13.687489583366165,"endHours":14.995964938569035,"quality":"neutral"},{"name":"Labha","start":"15:00","end":"16:18","startHours":14.995964938569035,"endHours":16.304440293771904,"quality":"auspicious"},{"name":"Amṛta","start":"16:18","end":"17:37","startHours":16.304440293771904,"endHours":17.612915648974774,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:37","end":"19:18","startHours":17.612915648974774,"endHours":19.304440293771904,"quality":"neutral"},{"name":"Labha","start":"19:18","end":"21:00","startHours":19.304440293771904,"endHours":20.995964938569035,"quality":"auspicious"},{"name":"Amṛta","start":"21:00","end":"22:41","startHours":20.995964938569035,"endHours":22.687489583366165,"quality":"auspicious"},{"name":"Kāla","start":"22:41","end":"00:23","startHours":22.687489583366165,"endHours":24.379014228163296,"quality":"inauspicious"},{"name":"Śubha","start":"00:23","end":"02:04","startHours":24.379014228163296,"endHours":26.070538872960427,"quality":"auspicious"},{"name":"Roga","start":"02:04","end":"03:46","startHours":26.070538872960427,"endHours":27.762063517757557,"quality":"inauspicious"},{"name":"Udveg","start":"03:46","end":"05:27","startHours":27.762063517757557,"endHours":29.453588162554688,"quality":"inauspicious"},{"name":"Chala","start":"05:27","end":"07:09","startHours":29.453588162554688,"endHours":31.14511280735182,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:09","end":"08:09","startHours":7.1451128073518175,"endHours":8.145112807351818,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:09","end":"09:09","startHours":8.145112807351818,"endHours":9.145112807351818,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:09","end":"10:09","startHours":9.145112807351818,"endHours":10.145112807351818,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:09","end":"11:09","startHours":10.145112807351818,"endHours":11.145112807351818,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:09","end":"12:09","startHours":11.145112807351818,"endHours":12.145112807351818,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:09","end":"13:09","startHours":12.145112807351818,"endHours":13.145112807351818,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:09","end":"14:09","startHours":13.145112807351818,"endHours":14.145112807351818,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:09","end":"15:09","startHours":14.145112807351818,"endHours":15.145112807351818,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:09","end":"16:09","startHours":15.145112807351818,"endHours":16.14511280735182,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:09","end":"17:09","startHours":16.14511280735182,"endHours":17.14511280735182,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:09","end":"18:09","startHours":17.14511280735182,"endHours":18.14511280735182,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:09","end":"19:09","startHours":18.14511280735182,"endHours":19.14511280735182,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:09","end":"20:09","startHours":19.14511280735182,"endHours":20.14511280735182,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:09","end":"21:09","startHours":20.14511280735182,"endHours":21.14511280735182,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:09","end":"22:09","startHours":21.14511280735182,"endHours":22.14511280735182,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:09","end":"23:09","startHours":22.14511280735182,"endHours":23.14511280735182,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:09","end":"00:09","startHours":23.14511280735182,"endHours":24.14511280735182,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:09","end":"01:09","startHours":24.14511280735182,"endHours":25.14511280735182,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:09","end":"02:09","startHours":25.14511280735182,"endHours":26.14511280735182,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:09","end":"03:09","startHours":26.14511280735182,"endHours":27.14511280735182,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:09","end":"04:09","startHours":27.14511280735182,"endHours":28.14511280735182,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:09","end":"05:09","startHours":28.14511280735182,"endHours":29.14511280735182,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:09","end":"06:09","startHours":29.14511280735182,"endHours":30.14511280735182,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:09","end":"07:09","startHours":30.14511280735182,"endHours":31.14511280735182,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"North-West","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":19.214937834071932,"eotMinutes":-6.182853689797819,"ayanamsa":23.9867}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"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 Ṣaṣṭhī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"festivals":[{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"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":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 27, 2009 CE · Perth, Australia · Vidhyamitra","description":"July 27, 2009 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 07:09, sūryāsta 17:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2009-07-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2009-07-27","sa":"https://sa.vidhyamitra.com/city/perth/2009-07-27","hi":"https://hi.vidhyamitra.com/city/perth/2009-07-27","x-default":"https://vidhyamitra.com/city/perth/2009-07-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:52:40.942Z","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":"2026-05-31T17:52:40.942Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:52:40.942Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}