{"id":"vidhyamitra:city-day:perth:2091-04-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2091-04-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-04-22","date_display":"April 22, 2091 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":2091,"month":4,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484893.770833,"kali_year":5193,"ahargana":1896428.2708,"sun":{"sidereal_longitude":6.9655,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":44.7065,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.7409,"elapsed_within_tithi_degrees":1.7409},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":44.7065,"elapsed_within_degrees":4.7065},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.672},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2091,"month":4,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484893.770833,"ahargana":1896428.2708,"kali_year":5193,"ayanamsa_lahiri":25.1285,"grahas":{"sun":{"sidereal_longitude":7.071842000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":41.74414200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-4.4921},"mars":{"sidereal_longitude":130.22984200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":338.643542,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":265.960742,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":340.911442,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":56.08684199999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":138.104,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.104,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":4,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484893.770833,"kali_year":5193,"ahargana":1896428.2708,"sun":{"sidereal_longitude":6.9655,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":44.7065,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.7409,"elapsed_within_tithi_degrees":1.7409},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":44.7065,"elapsed_within_degrees":4.7065},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.672},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.492,"elongation":37.741},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.492,"opposition_distance":142.259}},"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":"06:42","sunsetLocal":"17:48","solarNoonLocal":"12:15","dayLengthHours":11.09856682369611,"dayLengthDisplay":"11 Hours 05 Mins 55 Secs","nightLengthDisplay":"12 Hours 54 Mins 05 Secs","moonriseLocal":"09:28","moonsetLocal":"19:40","rahuKala":{"name":"Rāhu Kāla","start":"16:25","end":"17:48","startHours":16.414612421146852,"endHours":17.801933274108865,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:15","end":"13:38","startHours":12.25264986226081,"endHours":13.639970715222825,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:02","end":"16:25","startHours":15.02729156818484,"endHours":16.414612421146852,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:40","startHours":9.293032042608516,"endHours":9.662984270065053,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:28","startHours":7.165806734733427,"endHours":7.4617685166986565,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.882697634804273,"endHours":12.622602089717347,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:13","end":"05:58","startHours":5.223557540586608,"endHours":5.9634619954996815,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:42","startHours":5.778485881771413,"endHours":6.703366450412756,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:51","startHours":14.102410999543496,"endHours":14.84231545445657,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.601933274108866,"endHours":18.001933274108865,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:16","startHours":17.801933274108865,"endHours":18.264373558429536,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.551933274108865,"endHours":19.301933274108865,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.882697634804273,"endHours":24.622602089717347,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:42","end":"08:05","startHours":6.703366450412756,"endHours":8.09068730337477,"quality":"inauspicious"},{"name":"Chala","start":"08:05","end":"09:29","startHours":8.09068730337477,"endHours":9.478008156336784,"quality":"neutral"},{"name":"Labha","start":"09:29","end":"10:52","startHours":9.478008156336784,"endHours":10.865329009298797,"quality":"auspicious"},{"name":"Amṛta","start":"10:52","end":"12:15","startHours":10.865329009298797,"endHours":12.25264986226081,"quality":"auspicious"},{"name":"Kāla","start":"12:15","end":"13:38","startHours":12.25264986226081,"endHours":13.639970715222825,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:02","startHours":13.639970715222825,"endHours":15.02729156818484,"quality":"auspicious"},{"name":"Roga","start":"15:02","end":"16:25","startHours":15.02729156818484,"endHours":16.414612421146852,"quality":"inauspicious"},{"name":"Udveg","start":"16:25","end":"17:48","startHours":16.414612421146852,"endHours":17.801933274108865,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:48","end":"19:25","startHours":17.801933274108865,"endHours":19.414612421146852,"quality":"auspicious"},{"name":"Roga","start":"19:25","end":"21:02","startHours":19.414612421146852,"endHours":21.027291568184836,"quality":"inauspicious"},{"name":"Udveg","start":"21:02","end":"22:38","startHours":21.027291568184836,"endHours":22.639970715222823,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:15","startHours":22.639970715222823,"endHours":24.25264986226081,"quality":"neutral"},{"name":"Labha","start":"00:15","end":"01:52","startHours":24.25264986226081,"endHours":25.865329009298797,"quality":"auspicious"},{"name":"Amṛta","start":"01:52","end":"03:29","startHours":25.865329009298797,"endHours":27.478008156336784,"quality":"auspicious"},{"name":"Kāla","start":"03:29","end":"05:05","startHours":27.478008156336784,"endHours":29.090687303374768,"quality":"inauspicious"},{"name":"Śubha","start":"05:05","end":"06:42","startHours":29.090687303374768,"endHours":30.703366450412755,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.703366450412756,"endHours":7.703366450412756,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.703366450412756,"endHours":8.703366450412755,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.703366450412755,"endHours":9.703366450412755,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.703366450412755,"endHours":10.703366450412755,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.703366450412755,"endHours":11.703366450412755,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.703366450412755,"endHours":12.703366450412755,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.703366450412755,"endHours":13.703366450412755,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.703366450412755,"endHours":14.703366450412755,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.703366450412755,"endHours":15.703366450412755,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.703366450412755,"endHours":16.703366450412755,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.703366450412755,"endHours":17.703366450412755,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.703366450412755,"endHours":18.703366450412755,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.703366450412755,"endHours":19.703366450412755,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.703366450412755,"endHours":20.703366450412755,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.703366450412755,"endHours":21.703366450412755,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.703366450412755,"endHours":22.703366450412755,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.703366450412755,"endHours":23.703366450412755,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.703366450412755,"endHours":24.703366450412755,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.703366450412755,"endHours":25.703366450412755,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.703366450412755,"endHours":26.703366450412755,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.703366450412755,"endHours":27.703366450412755,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.703366450412755,"endHours":28.703366450412755,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.703366450412755,"endHours":29.703366450412755,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.703366450412755,"endHours":30.703366450412755,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","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":12.236311810155142,"eotMinutes":1.3990082643513926,"ayanamsa":25.1285}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","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 Śukla Caturthī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 April 22, 2091 CE · Perth, Australia · Vidhyamitra","description":"April 22, 2091 CE for Perth, Australia: Śukla Caturthī, sūryodaya 06:42, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2091-04-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2091-04-22","sa":"https://sa.vidhyamitra.com/city/perth/2091-04-22","hi":"https://hi.vidhyamitra.com/city/perth/2091-04-22","x-default":"https://vidhyamitra.com/city/perth/2091-04-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:28:06.458Z","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":"2026-05-31T03:28:06.458Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:28:06.458Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}