{"id":"vidhyamitra:city-day:perth:1852-05-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1852-05-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1852-05-16","date_display":"May 16, 1852 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":1852,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397624.770833,"kali_year":4954,"ahargana":1809159.2708,"sun":{"sidereal_longitude":33.8022,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":358.0005,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.1982,"elapsed_within_tithi_degrees":0.1982},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.0005,"elapsed_within_degrees":11.3338},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.8027},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1852,"month":5,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2397624.770833,"ahargana":1809159.2708,"kali_year":4954,"ayanamsa_lahiri":21.7908,"grahas":{"sun":{"sidereal_longitude":33.49376000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":359.28886,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-4.4756},"mars":{"sidereal_longitude":116.49065999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":14.992860000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":207.68006000000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":80.92556000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":19.553359999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":82.0355,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":262.0355,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"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":1852,"month":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397624.770833,"kali_year":4954,"ahargana":1809159.2708,"sun":{"sidereal_longitude":33.8022,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":358.0005,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.1982,"elapsed_within_tithi_degrees":0.1982},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.0005,"elapsed_within_degrees":11.3338},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.8027},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.476,"elongation":35.802},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.476,"opposition_distance":144.198}},"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":"06:58","sunsetLocal":"17:27","solarNoonLocal":"12:13","dayLengthHours":10.480262988116358,"dayLengthDisplay":"10 Hours 28 Mins 49 Secs","nightLengthDisplay":"13 Hours 31 Mins 11 Secs","moonriseLocal":"04:14","moonsetLocal":"15:38","rahuKala":{"name":"Rāhu Kāla","start":"16:09","end":"17:27","startHours":16.143677704563842,"endHours":17.453710578078386,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:31","startHours":12.213579084020207,"endHours":13.52361195753475,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:50","end":"16:09","startHours":14.833644831049297,"endHours":16.143677704563842,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.418842287189179,"endHours":9.768184386793056,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:41","startHours":7.410125214466876,"endHours":7.689598894149979,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.864236984416328,"endHours":12.562921183624086,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:16","startHours":5.576079191546514,"endHours":6.274763390754271,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:58","startHours":6.100092340952331,"endHours":6.973447589962028,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.9602895820396,"endHours":14.658973781247358,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.253710578078387,"endHours":17.653710578078385,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.453710578078386,"endHours":17.890388202583235,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.203710578078386,"endHours":18.953710578078386,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.86423698441633,"endHours":24.562921183624084,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:58","end":"08:17","startHours":6.973447589962028,"endHours":8.283480463476572,"quality":"inauspicious"},{"name":"Chala","start":"08:17","end":"09:36","startHours":8.283480463476572,"endHours":9.593513336991117,"quality":"neutral"},{"name":"Labha","start":"09:36","end":"10:54","startHours":9.593513336991117,"endHours":10.903546210505663,"quality":"auspicious"},{"name":"Amṛta","start":"10:54","end":"12:13","startHours":10.903546210505663,"endHours":12.213579084020207,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:31","startHours":12.213579084020207,"endHours":13.52361195753475,"quality":"inauspicious"},{"name":"Śubha","start":"13:31","end":"14:50","startHours":13.52361195753475,"endHours":14.833644831049297,"quality":"auspicious"},{"name":"Roga","start":"14:50","end":"16:09","startHours":14.833644831049297,"endHours":16.143677704563842,"quality":"inauspicious"},{"name":"Udveg","start":"16:09","end":"17:27","startHours":16.143677704563842,"endHours":17.453710578078386,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:27","end":"19:09","startHours":17.453710578078386,"endHours":19.143677704563842,"quality":"auspicious"},{"name":"Roga","start":"19:09","end":"20:50","startHours":19.143677704563842,"endHours":20.8336448310493,"quality":"inauspicious"},{"name":"Udveg","start":"20:50","end":"22:31","startHours":20.8336448310493,"endHours":22.52361195753475,"quality":"inauspicious"},{"name":"Chala","start":"22:31","end":"00:13","startHours":22.52361195753475,"endHours":24.213579084020207,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:54","startHours":24.213579084020207,"endHours":25.903546210505663,"quality":"auspicious"},{"name":"Amṛta","start":"01:54","end":"03:36","startHours":25.903546210505663,"endHours":27.593513336991116,"quality":"auspicious"},{"name":"Kāla","start":"03:36","end":"05:17","startHours":27.593513336991116,"endHours":29.28348046347657,"quality":"inauspicious"},{"name":"Śubha","start":"05:17","end":"06:58","startHours":29.28348046347657,"endHours":30.973447589962028,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.973447589962028,"endHours":7.973447589962028,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.973447589962028,"endHours":8.973447589962028,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.973447589962028,"endHours":9.973447589962028,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.973447589962028,"endHours":10.973447589962028,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.973447589962028,"endHours":11.973447589962028,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.973447589962028,"endHours":12.973447589962028,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.973447589962028,"endHours":13.973447589962028,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.973447589962028,"endHours":14.973447589962028,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.973447589962028,"endHours":15.973447589962028,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.973447589962028,"endHours":16.973447589962028,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.973447589962028,"endHours":17.973447589962028,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.973447589962028,"endHours":18.973447589962028,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.973447589962028,"endHours":19.973447589962028,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.973447589962028,"endHours":20.973447589962028,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.973447589962028,"endHours":21.973447589962028,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.973447589962028,"endHours":22.973447589962028,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.973447589962028,"endHours":23.973447589962028,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.973447589962028,"endHours":24.973447589962028,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.973447589962028,"endHours":25.973447589962028,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.973447589962028,"endHours":26.973447589962028,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.973447589962028,"endHours":27.973447589962028,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.973447589962028,"endHours":28.973447589962028,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.973447589962028,"endHours":29.973447589962028,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.973447589962028,"endHours":30.973447589962028,"planetary_lord":"Jupiter"}],"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","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.082686723034126,"eotMinutes":3.743254958787478,"ayanamsa":21.7908}},"calendars":{"vikram_samvat":1909,"vikram_samvatsara":"Krodhana","saka_samvat":1774,"saka_samvatsara":"Paridhāvi","bengali_samvat":1259,"malayalam_era":1028,"nanakshahi_year":383,"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 Trayodaśī · Vikram 1909 Krodhana · Śaka 1774 Paridhāvi"},"festivals":[{"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":"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":[]},"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 May 16, 1852 CE · Perth, Australia · Vidhyamitra","description":"May 16, 1852 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 06:58, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1852-05-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1852-05-16","sa":"https://sa.vidhyamitra.com/city/perth/1852-05-16","hi":"https://hi.vidhyamitra.com/city/perth/1852-05-16","x-default":"https://vidhyamitra.com/city/perth/1852-05-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T23:00:27.217Z","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":"2026-06-02T23:00:27.217Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T23:00:27.217Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}