{"id":"vidhyamitra:city-day:perth:2027-07-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2027-07-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-07-16","date_display":"July 16, 2027 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":2027,"month":7,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461602.770833,"kali_year":5129,"ahargana":1873137.2708,"sun":{"sidereal_longitude":88.5904,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":239.0435,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.4531,"elapsed_within_tithi_degrees":6.4531},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.0435,"elapsed_within_degrees":12.3769},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.6339},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2027,"month":7,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461602.770833,"ahargana":1873137.2708,"kali_year":5129,"ayanamsa_lahiri":24.2377,"grahas":{"sun":{"sidereal_longitude":89.08832999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":240.43692999999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-3.5986},"mars":{"sidereal_longitude":155.87892999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":67.98642999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":123.50853000000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":81.28813000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":3.143730000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":292.1732,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.1732,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2027,"month":7,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461602.770833,"kali_year":5129,"ahargana":1873137.2708,"sun":{"sidereal_longitude":88.5904,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":239.0435,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.4531,"elapsed_within_tithi_degrees":6.4531},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.0435,"elapsed_within_degrees":12.3769},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.6339},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.599,"elongation":150.453},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.599,"opposition_distance":29.547}},"eclipse_window_40days":[]},"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":"07:15","sunsetLocal":"17:30","solarNoonLocal":"12:22","dayLengthHours":10.256272171446348,"dayLengthDisplay":"10 Hours 15 Mins 23 Secs","nightLengthDisplay":"13 Hours 44 Mins 37 Secs","moonriseLocal":"15:22","moonsetLocal":"05:33","rahuKala":{"name":"Rāhu Kāla","start":"11:05","end":"12:22","startHours":11.088644988840489,"endHours":12.370679010271282,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:56","end":"16:13","startHours":14.93474705313287,"endHours":16.216781074563663,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:31","end":"09:48","startHours":8.524576945978902,"endHours":9.806610967409696,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.63567309788559,"endHours":9.977548836933801,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:57","startHours":7.669887598358373,"endHours":7.943388189596942,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.02880327122307,"endHours":12.712554749319493,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:53","end":"06:34","startHours":5.875039968355262,"endHours":6.558791446451686,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:15","startHours":6.387853576927579,"endHours":7.2425429245481086,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:46","startHours":14.080057705512342,"endHours":14.763809183608766,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.298815095994456,"endHours":17.698815095994455,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:56","startHours":17.498815095994456,"endHours":17.92615976980472,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.248815095994456,"endHours":18.998815095994456,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.02880327122307,"endHours":24.712554749319494,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:15","end":"08:31","startHours":7.2425429245481086,"endHours":8.524576945978902,"quality":"neutral"},{"name":"Labha","start":"08:31","end":"09:48","startHours":8.524576945978902,"endHours":9.806610967409696,"quality":"auspicious"},{"name":"Amṛta","start":"09:48","end":"11:05","startHours":9.806610967409696,"endHours":11.088644988840489,"quality":"auspicious"},{"name":"Kāla","start":"11:05","end":"12:22","startHours":11.088644988840489,"endHours":12.370679010271282,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:39","startHours":12.370679010271282,"endHours":13.652713031702076,"quality":"auspicious"},{"name":"Roga","start":"13:39","end":"14:56","startHours":13.652713031702076,"endHours":14.93474705313287,"quality":"inauspicious"},{"name":"Udveg","start":"14:56","end":"16:13","startHours":14.93474705313287,"endHours":16.216781074563663,"quality":"inauspicious"},{"name":"Chala","start":"16:13","end":"17:30","startHours":16.216781074563663,"endHours":17.498815095994456,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:30","end":"19:13","startHours":17.498815095994456,"endHours":19.216781074563663,"quality":"inauspicious"},{"name":"Udveg","start":"19:13","end":"20:56","startHours":19.216781074563663,"endHours":20.934747053132867,"quality":"inauspicious"},{"name":"Chala","start":"20:56","end":"22:39","startHours":20.934747053132867,"endHours":22.652713031702074,"quality":"neutral"},{"name":"Labha","start":"22:39","end":"00:22","startHours":22.652713031702074,"endHours":24.37067901027128,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"02:05","startHours":24.37067901027128,"endHours":26.08864498884049,"quality":"auspicious"},{"name":"Kāla","start":"02:05","end":"03:48","startHours":26.08864498884049,"endHours":27.806610967409696,"quality":"inauspicious"},{"name":"Śubha","start":"03:48","end":"05:31","startHours":27.806610967409696,"endHours":29.5245769459789,"quality":"auspicious"},{"name":"Roga","start":"05:31","end":"07:15","startHours":29.5245769459789,"endHours":31.242542924548108,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.2425429245481086,"endHours":8.242542924548108,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.242542924548108,"endHours":9.242542924548108,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.242542924548108,"endHours":10.242542924548108,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.242542924548108,"endHours":11.242542924548108,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.242542924548108,"endHours":12.242542924548108,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.242542924548108,"endHours":13.242542924548108,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.242542924548108,"endHours":14.242542924548108,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.242542924548108,"endHours":15.242542924548108,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.242542924548108,"endHours":16.242542924548108,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.242542924548108,"endHours":17.242542924548108,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.242542924548108,"endHours":18.242542924548108,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.242542924548108,"endHours":19.242542924548108,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.242542924548108,"endHours":20.242542924548108,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.242542924548108,"endHours":21.242542924548108,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.242542924548108,"endHours":22.242542924548108,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.242542924548108,"endHours":23.242542924548108,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.242542924548108,"endHours":24.242542924548108,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.242542924548108,"endHours":25.242542924548108,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.242542924548108,"endHours":26.242542924548108,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.242542924548108,"endHours":27.242542924548108,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.242542924548108,"endHours":28.242542924548108,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.242542924548108,"endHours":29.242542924548108,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.242542924548108,"endHours":30.242542924548108,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.242542924548108,"endHours":31.242542924548108,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","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":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.421395128078494,"eotMinutes":-5.682740616276977,"ayanamsa":24.2377}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Trayodaśī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 16, 2027 CE · Perth, Australia · Vidhyamitra","description":"July 16, 2027 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 07:15, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2027-07-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2027-07-16","sa":"https://sa.vidhyamitra.com/city/perth/2027-07-16","hi":"https://hi.vidhyamitra.com/city/perth/2027-07-16","x-default":"https://vidhyamitra.com/city/perth/2027-07-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T11:52:59.247Z","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":"2026-05-14T11:52:59.247Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T11:52:59.247Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}