{"id":"vidhyamitra:city-day:perth:2002-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2002-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-05-21","date_display":"May 21, 2002 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":2002,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452415.770833,"kali_year":5104,"ahargana":1863950.2708,"sun":{"sidereal_longitude":35.8931,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":144.2427,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.3496,"elapsed_within_tithi_degrees":0.3496},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.2427,"elapsed_within_degrees":10.9094},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":180.1359},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2002,"month":5,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452415.770833,"ahargana":1863950.2708,"kali_year":5104,"ayanamsa_lahiri":23.8863,"grahas":{"sun":{"sidereal_longitude":35.951840000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":142.11514,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":4.4848},"mars":{"sidereal_longitude":61.19463999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":45.20634000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":80.45813999999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":66.67993999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":51.99684000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":58.9447,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":238.9447,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2002,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452415.770833,"kali_year":5104,"ahargana":1863950.2708,"sun":{"sidereal_longitude":35.8931,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":144.2427,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.3496,"elapsed_within_tithi_degrees":0.3496},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.2427,"elapsed_within_degrees":10.9094},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":180.1359},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.485,"elongation":108.35},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.485,"opposition_distance":71.65}},"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":"07:02","sunsetLocal":"17:24","solarNoonLocal":"12:13","dayLengthHours":10.382497483260416,"dayLengthDisplay":"10 Hours 22 Mins 57 Secs","nightLengthDisplay":"13 Hours 37 Mins 03 Secs","moonriseLocal":"13:29","moonsetLocal":"01:07","rahuKala":{"name":"Rāhu Kāla","start":"14:49","end":"16:07","startHours":14.812600741107133,"endHours":16.110412926514687,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:37","end":"10:55","startHours":9.621351999476925,"endHours":10.919164184884478,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:13","end":"13:31","startHours":12.21697637029203,"endHours":13.514788555699582,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:48","startHours":9.44831037475592,"endHours":9.794393624197934,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:44","startHours":7.458331690464339,"endHours":7.735198290017951,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.870893120850017,"endHours":12.563059619734045,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:20","startHours":5.641394630893767,"endHours":6.333561129777794,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:10","end":"07:02","startHours":6.160519505056787,"endHours":7.025727628661822,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:38","startHours":13.9473926175021,"endHours":14.639559116386128,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.20822511192224,"endHours":17.608225111922238,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:50","startHours":17.40822511192224,"endHours":17.840829173724757,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.15822511192224,"endHours":18.90822511192224,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.870893120850017,"endHours":24.563059619734045,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:02","end":"08:19","startHours":7.025727628661822,"endHours":8.323539814069374,"quality":"inauspicious"},{"name":"Udveg","start":"08:19","end":"09:37","startHours":8.323539814069374,"endHours":9.621351999476925,"quality":"inauspicious"},{"name":"Chala","start":"09:37","end":"10:55","startHours":9.621351999476925,"endHours":10.919164184884478,"quality":"neutral"},{"name":"Labha","start":"10:55","end":"12:13","startHours":10.919164184884478,"endHours":12.21697637029203,"quality":"auspicious"},{"name":"Amṛta","start":"12:13","end":"13:31","startHours":12.21697637029203,"endHours":13.514788555699582,"quality":"auspicious"},{"name":"Kāla","start":"13:31","end":"14:49","startHours":13.514788555699582,"endHours":14.812600741107133,"quality":"inauspicious"},{"name":"Śubha","start":"14:49","end":"16:07","startHours":14.812600741107133,"endHours":16.110412926514687,"quality":"auspicious"},{"name":"Roga","start":"16:07","end":"17:24","startHours":16.110412926514687,"endHours":17.40822511192224,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:24","end":"19:07","startHours":17.40822511192224,"endHours":19.110412926514687,"quality":"inauspicious"},{"name":"Śubha","start":"19:07","end":"20:49","startHours":19.110412926514687,"endHours":20.812600741107133,"quality":"auspicious"},{"name":"Roga","start":"20:49","end":"22:31","startHours":20.812600741107133,"endHours":22.51478855569958,"quality":"inauspicious"},{"name":"Udveg","start":"22:31","end":"00:13","startHours":22.51478855569958,"endHours":24.21697637029203,"quality":"inauspicious"},{"name":"Chala","start":"00:13","end":"01:55","startHours":24.21697637029203,"endHours":25.91916418488448,"quality":"neutral"},{"name":"Labha","start":"01:55","end":"03:37","startHours":25.91916418488448,"endHours":27.62135199947693,"quality":"auspicious"},{"name":"Amṛta","start":"03:37","end":"05:19","startHours":27.62135199947693,"endHours":29.323539814069374,"quality":"auspicious"},{"name":"Kāla","start":"05:19","end":"07:02","startHours":29.323539814069374,"endHours":31.025727628661823,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.025727628661822,"endHours":8.025727628661823,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.025727628661823,"endHours":9.025727628661823,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.025727628661823,"endHours":10.025727628661823,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.025727628661823,"endHours":11.025727628661823,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.025727628661823,"endHours":12.025727628661823,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.025727628661823,"endHours":13.025727628661823,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.025727628661823,"endHours":14.025727628661823,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.025727628661823,"endHours":15.025727628661823,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.025727628661823,"endHours":16.025727628661823,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.025727628661823,"endHours":17.025727628661823,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.025727628661823,"endHours":18.025727628661823,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.025727628661823,"endHours":19.025727628661823,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.025727628661823,"endHours":20.025727628661823,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.025727628661823,"endHours":21.025727628661823,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.025727628661823,"endHours":22.025727628661823,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.025727628661823,"endHours":23.025727628661823,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.025727628661823,"endHours":24.025727628661823,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.025727628661823,"endHours":25.025727628661823,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.025727628661823,"endHours":26.025727628661823,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.025727628661823,"endHours":27.025727628661823,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.025727628661823,"endHours":28.025727628661823,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.025727628661823,"endHours":29.025727628661823,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.025727628661823,"endHours":30.025727628661823,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.025727628661823,"endHours":31.025727628661823,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.113639886215896,"eotMinutes":3.539417782478063,"ayanamsa":23.8863}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Daśamī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"id":"ganga-dussehra","name":"Gaṅgā Daśaharā","name_sanskrit":"गङ्गा दशहरा","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Devī Gaṅgā's descent to earth (Bhagīratha's success). Dasha-pāpa-haraṇī.","vrata":true,"detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Jyeṣṭha"},"precedence":2,"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 42-44"]},{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 21, 2002 CE · Perth, Australia · Vidhyamitra","description":"May 21, 2002 CE for Perth, Australia: Śukla Daśamī, sūryodaya 07:02, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2002-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2002-05-21","sa":"https://sa.vidhyamitra.com/city/perth/2002-05-21","hi":"https://hi.vidhyamitra.com/city/perth/2002-05-21","x-default":"https://vidhyamitra.com/city/perth/2002-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T05:22:05.609Z","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":"2026-05-17T05:22:05.609Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T05:22:05.609Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}