{"id":"vidhyamitra:city-day:perth:2091-04-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2091-04-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-04-10","date_display":"April 10, 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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484881.770833,"kali_year":5192,"ahargana":1896416.2708,"sun":{"sidereal_longitude":355.2562,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":252.9208,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.6646,"elapsed_within_tithi_degrees":5.6646},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.9208,"elapsed_within_degrees":12.9208},"yoga":{"number":19,"name":"Parigha","sum_longitude":248.177},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":2091,"month":4,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484881.770833,"ahargana":1896416.2708,"kali_year":5192,"ayanamsa_lahiri":25.128,"grahas":{"sun":{"sidereal_longitude":355.319601,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":256.338401,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":4.1044},"mars":{"sidereal_longitude":130.39460100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":328.37390099999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":265.10710100000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":326.27070100000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":54.970800999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":138.7398,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.7398,"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":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484881.770833,"kali_year":5192,"ahargana":1896416.2708,"sun":{"sidereal_longitude":355.2562,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":252.9208,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.6646,"elapsed_within_tithi_degrees":5.6646},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.9208,"elapsed_within_degrees":12.9208},"yoga":{"number":19,"name":"Parigha","sum_longitude":248.177},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.104,"elongation":102.335},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.104,"opposition_distance":77.665}},"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":"06:34","sunsetLocal":"18:02","solarNoonLocal":"12:18","dayLengthHours":11.463233019674322,"dayLengthDisplay":"11 Hours 27 Mins 48 Secs","nightLengthDisplay":"12 Hours 32 Mins 12 Secs","moonriseLocal":"22:38","moonsetLocal":"12:47","rahuKala":{"name":"Rāhu Kāla","start":"15:10","end":"16:36","startHours":15.168559181004664,"endHours":16.601463308463956,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:26","end":"10:52","startHours":9.436942671167502,"endHours":10.869846798626792,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:18","end":"13:44","startHours":12.302750926086084,"endHours":13.735655053545372,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:38","startHours":9.245888787506264,"endHours":9.62799655482874,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.048769125402019,"endHours":7.35445533926,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:41","startHours":11.920643158763607,"endHours":12.684858693408561,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:03","end":"05:48","startHours":5.042703346959013,"endHours":5.806918881603967,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:34","startHours":5.615864997942729,"endHours":6.571134416248922,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"14:59","startHours":14.21328976269847,"endHours":14.977505297343424,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.834367435923244,"endHours":18.234367435923243,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:31","startHours":18.034367435923244,"endHours":18.51200214507634,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.784367435923244,"endHours":19.534367435923244,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:41","startHours":23.920643158763607,"endHours":24.68485869340856,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:34","end":"08:00","startHours":6.571134416248922,"endHours":8.004038543708212,"quality":"inauspicious"},{"name":"Udveg","start":"08:00","end":"09:26","startHours":8.004038543708212,"endHours":9.436942671167502,"quality":"inauspicious"},{"name":"Chala","start":"09:26","end":"10:52","startHours":9.436942671167502,"endHours":10.869846798626792,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:18","startHours":10.869846798626792,"endHours":12.302750926086084,"quality":"auspicious"},{"name":"Amṛta","start":"12:18","end":"13:44","startHours":12.302750926086084,"endHours":13.735655053545372,"quality":"auspicious"},{"name":"Kāla","start":"13:44","end":"15:10","startHours":13.735655053545372,"endHours":15.168559181004664,"quality":"inauspicious"},{"name":"Śubha","start":"15:10","end":"16:36","startHours":15.168559181004664,"endHours":16.601463308463956,"quality":"auspicious"},{"name":"Roga","start":"16:36","end":"18:02","startHours":16.601463308463956,"endHours":18.034367435923244,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:02","end":"19:36","startHours":18.034367435923244,"endHours":19.601463308463952,"quality":"inauspicious"},{"name":"Śubha","start":"19:36","end":"21:10","startHours":19.601463308463952,"endHours":21.168559181004664,"quality":"auspicious"},{"name":"Roga","start":"21:10","end":"22:44","startHours":21.168559181004664,"endHours":22.735655053545372,"quality":"inauspicious"},{"name":"Udveg","start":"22:44","end":"00:18","startHours":22.735655053545372,"endHours":24.302750926086084,"quality":"inauspicious"},{"name":"Chala","start":"00:18","end":"01:52","startHours":24.302750926086084,"endHours":25.869846798626792,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:26","startHours":25.869846798626792,"endHours":27.4369426711675,"quality":"auspicious"},{"name":"Amṛta","start":"03:26","end":"05:00","startHours":27.4369426711675,"endHours":29.004038543708212,"quality":"auspicious"},{"name":"Kāla","start":"05:00","end":"06:34","startHours":29.004038543708212,"endHours":30.571134416248924,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.571134416248922,"endHours":7.571134416248922,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.571134416248922,"endHours":8.571134416248922,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.571134416248922,"endHours":9.571134416248922,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.571134416248922,"endHours":10.571134416248922,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.571134416248922,"endHours":11.571134416248922,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.571134416248922,"endHours":12.571134416248922,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.571134416248922,"endHours":13.571134416248922,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.571134416248922,"endHours":14.571134416248922,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.571134416248922,"endHours":15.571134416248922,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.571134416248922,"endHours":16.571134416248924,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.571134416248924,"endHours":17.571134416248924,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.571134416248924,"endHours":18.571134416248924,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.571134416248924,"endHours":19.571134416248924,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.571134416248924,"endHours":20.571134416248924,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.571134416248924,"endHours":21.571134416248924,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.571134416248924,"endHours":22.571134416248924,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.571134416248924,"endHours":23.571134416248924,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.571134416248924,"endHours":24.571134416248924,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.571134416248924,"endHours":25.571134416248924,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.571134416248924,"endHours":26.571134416248924,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.571134416248924,"endHours":27.571134416248924,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.571134416248924,"endHours":28.571134416248924,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.571134416248924,"endHours":29.571134416248924,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.571134416248924,"endHours":30.571134416248924,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.986980755227995,"eotMinutes":-1.6070555651651,"ayanamsa":25.128}},"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 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":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Saptamī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[],"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 April 10, 2091 CE · Perth, Australia · Vidhyamitra","description":"April 10, 2091 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 06:34, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2091-04-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2091-04-10","sa":"https://sa.vidhyamitra.com/city/perth/2091-04-10","hi":"https://hi.vidhyamitra.com/city/perth/2091-04-10","x-default":"https://vidhyamitra.com/city/perth/2091-04-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:00:27.364Z","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":"2026-05-31T19:00:27.364Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:00:27.364Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}