{"id":"vidhyamitra:city-day:perth:2173-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2173-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-05-10","date_display":"May 10, 2173 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":2173,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514861.770833,"kali_year":5275,"ahargana":1926396.2708,"sun":{"sidereal_longitude":23.191,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":1.4779,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.2868,"elapsed_within_tithi_degrees":2.2868},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":1.4779,"elapsed_within_degrees":1.4779},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.6689},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2173,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514861.770833,"ahargana":1926396.2708,"kali_year":5275,"ayanamsa_lahiri":26.2746,"grahas":{"sun":{"sidereal_longitude":23.573144000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":0.8030439999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":0.8749},"mars":{"sidereal_longitude":32.30414400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":41.05624399999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":229.72394399999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":43.85954400000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":341.487144,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":350.2551,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":170.2551,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"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":2173,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514861.770833,"kali_year":5275,"ahargana":1926396.2708,"sun":{"sidereal_longitude":23.191,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":1.4779,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.2868,"elapsed_within_tithi_degrees":2.2868},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":1.4779,"elapsed_within_degrees":1.4779},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.6689},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.875,"elongation":21.713},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.875,"opposition_distance":158.287}},"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":"06:55","sunsetLocal":"17:31","solarNoonLocal":"12:13","dayLengthHours":10.60936918195847,"dayLengthDisplay":"10 Hours 36 Mins 34 Secs","nightLengthDisplay":"13 Hours 23 Mins 26 Secs","moonriseLocal":"05:05","moonsetLocal":"16:18","rahuKala":{"name":"Rāhu Kāla","start":"08:14","end":"09:34","startHours":8.236176126364683,"endHours":9.562347274109491,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:13","startHours":10.8885184218543,"endHours":12.21468956959911,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:32","end":"14:52","startHours":13.540860717343918,"endHours":14.867031865088727,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:44","startHours":9.385524454410184,"endHours":9.7391700938088,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:38","startHours":7.352062027868144,"endHours":7.634978539387037,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.861043930200493,"endHours":12.568335208997725,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:12","startHours":5.4954224210254115,"endHours":6.2027136998226435,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:55","startHours":6.0258908801233355,"endHours":6.910004978619875,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:41","startHours":13.982917766592188,"endHours":14.69020904538942,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.319374160578345,"endHours":17.719374160578344,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:58","startHours":17.519374160578344,"endHours":17.961431209826614,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.269374160578344,"endHours":19.019374160578344,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.861043930200495,"endHours":24.568335208997723,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:55","end":"08:14","startHours":6.910004978619875,"endHours":8.236176126364683,"quality":"auspicious"},{"name":"Kāla","start":"08:14","end":"09:34","startHours":8.236176126364683,"endHours":9.562347274109491,"quality":"inauspicious"},{"name":"Śubha","start":"09:34","end":"10:53","startHours":9.562347274109491,"endHours":10.8885184218543,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:13","startHours":10.8885184218543,"endHours":12.21468956959911,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:32","startHours":12.21468956959911,"endHours":13.540860717343918,"quality":"inauspicious"},{"name":"Chala","start":"13:32","end":"14:52","startHours":13.540860717343918,"endHours":14.867031865088727,"quality":"neutral"},{"name":"Labha","start":"14:52","end":"16:12","startHours":14.867031865088727,"endHours":16.193203012833536,"quality":"auspicious"},{"name":"Amṛta","start":"16:12","end":"17:31","startHours":16.193203012833536,"endHours":17.519374160578344,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:31","end":"19:12","startHours":17.519374160578344,"endHours":19.193203012833536,"quality":"neutral"},{"name":"Labha","start":"19:12","end":"20:52","startHours":19.193203012833536,"endHours":20.867031865088727,"quality":"auspicious"},{"name":"Amṛta","start":"20:52","end":"22:32","startHours":20.867031865088727,"endHours":22.540860717343918,"quality":"auspicious"},{"name":"Kāla","start":"22:32","end":"00:13","startHours":22.540860717343918,"endHours":24.21468956959911,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:53","startHours":24.21468956959911,"endHours":25.8885184218543,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:34","startHours":25.8885184218543,"endHours":27.56234727410949,"quality":"inauspicious"},{"name":"Udveg","start":"03:34","end":"05:14","startHours":27.56234727410949,"endHours":29.236176126364683,"quality":"inauspicious"},{"name":"Chala","start":"05:14","end":"06:55","startHours":29.236176126364683,"endHours":30.910004978619874,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.910004978619875,"endHours":7.910004978619875,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.910004978619875,"endHours":8.910004978619874,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.910004978619874,"endHours":9.910004978619874,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.910004978619874,"endHours":10.910004978619874,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.910004978619874,"endHours":11.910004978619874,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.910004978619874,"endHours":12.910004978619874,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.910004978619874,"endHours":13.910004978619874,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.910004978619874,"endHours":14.910004978619874,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.910004978619874,"endHours":15.910004978619874,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.910004978619874,"endHours":16.910004978619874,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.910004978619874,"endHours":17.910004978619874,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.910004978619874,"endHours":18.910004978619874,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.910004978619874,"endHours":19.910004978619874,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.910004978619874,"endHours":20.910004978619874,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.910004978619874,"endHours":21.910004978619874,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.910004978619874,"endHours":22.910004978619874,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.910004978619874,"endHours":23.910004978619874,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.910004978619874,"endHours":24.910004978619874,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.910004978619874,"endHours":25.910004978619874,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.910004978619874,"endHours":26.910004978619874,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.910004978619874,"endHours":27.910004978619874,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.910004978619874,"endHours":28.910004978619874,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.910004978619874,"endHours":29.910004978619874,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.910004978619874,"endHours":30.910004978619874,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.69802910835397,"eotMinutes":3.6766258240534686,"ayanamsa":26.2746}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturdaśī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 May 10, 2173 CE · Perth, Australia · Vidhyamitra","description":"May 10, 2173 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 06:55, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2173-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2173-05-10","sa":"https://sa.vidhyamitra.com/city/perth/2173-05-10","hi":"https://hi.vidhyamitra.com/city/perth/2173-05-10","x-default":"https://vidhyamitra.com/city/perth/2173-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:41:35.642Z","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":"2026-06-01T01:41:35.642Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:41:35.642Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}