{"id":"vidhyamitra:city-day:perth:2108-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2108-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2108-05-15","date_display":"May 15, 2108 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":2108,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491125.770833,"kali_year":5210,"ahargana":1902660.2708,"sun":{"sidereal_longitude":28.781,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":77.4213,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.6403,"elapsed_within_tithi_degrees":0.6403},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.4213,"elapsed_within_degrees":10.7546},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":106.2023},"karana":{"half_tithi_index":8,"name":"Bava"},"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":2108,"month":5,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2491125.770833,"ahargana":1902660.2708,"kali_year":5210,"ayanamsa_lahiri":25.3668,"grahas":{"sun":{"sidereal_longitude":29.04393399999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":76.56033400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.4998},"mars":{"sidereal_longitude":151.12483399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":23.173633999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":57.539833999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":19.91673400000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":272.67163400000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":167.9026,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":347.9026,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"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":2108,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491125.770833,"kali_year":5210,"ahargana":1902660.2708,"sun":{"sidereal_longitude":28.781,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":77.4213,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.6403,"elapsed_within_tithi_degrees":0.6403},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.4213,"elapsed_within_degrees":10.7546},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":106.2023},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.5,"elongation":48.64},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.5,"opposition_distance":131.36}},"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":"17:28","solarNoonLocal":"12:13","dayLengthHours":10.50015094854919,"dayLengthDisplay":"10 Hours 30 Mins 01 Secs","nightLengthDisplay":"13 Hours 29 Mins 59 Secs","moonriseLocal":"10:21","moonsetLocal":"20:25","rahuKala":{"name":"Rāhu Kāla","start":"14:50","end":"16:09","startHours":14.838401054871863,"endHours":16.15091992344051,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:35","end":"10:54","startHours":9.588325580597267,"endHours":10.900844449165916,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:13","end":"13:32","startHours":12.213363317734565,"endHours":13.525882186303214,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.413323064788113,"endHours":9.76332809640642,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.400794132982852,"endHours":7.680798158277497,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.86335828611626,"endHours":12.56336834935287,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:16","startHours":5.5632677169867435,"endHours":6.263277780223356,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"06:58","startHours":6.088275264414203,"endHours":6.963287843459969,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.963388475826097,"endHours":14.66339853906271,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.26343879200916,"endHours":17.66343879200916,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.46343879200916,"endHours":17.900945081532043,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.21343879200916,"endHours":18.96343879200916,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.86335828611626,"endHours":24.56336834935287,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:58","end":"08:17","startHours":6.963287843459969,"endHours":8.275806712028619,"quality":"inauspicious"},{"name":"Udveg","start":"08:17","end":"09:35","startHours":8.275806712028619,"endHours":9.588325580597267,"quality":"inauspicious"},{"name":"Chala","start":"09:35","end":"10:54","startHours":9.588325580597267,"endHours":10.900844449165916,"quality":"neutral"},{"name":"Labha","start":"10:54","end":"12:13","startHours":10.900844449165916,"endHours":12.213363317734565,"quality":"auspicious"},{"name":"Amṛta","start":"12:13","end":"13:32","startHours":12.213363317734565,"endHours":13.525882186303214,"quality":"auspicious"},{"name":"Kāla","start":"13:32","end":"14:50","startHours":13.525882186303214,"endHours":14.838401054871863,"quality":"inauspicious"},{"name":"Śubha","start":"14:50","end":"16:09","startHours":14.838401054871863,"endHours":16.15091992344051,"quality":"auspicious"},{"name":"Roga","start":"16:09","end":"17:28","startHours":16.15091992344051,"endHours":17.46343879200916,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:28","end":"19:09","startHours":17.46343879200916,"endHours":19.15091992344051,"quality":"inauspicious"},{"name":"Śubha","start":"19:09","end":"20:50","startHours":19.15091992344051,"endHours":20.838401054871863,"quality":"auspicious"},{"name":"Roga","start":"20:50","end":"22:32","startHours":20.838401054871863,"endHours":22.525882186303214,"quality":"inauspicious"},{"name":"Udveg","start":"22:32","end":"00:13","startHours":22.525882186303214,"endHours":24.213363317734565,"quality":"inauspicious"},{"name":"Chala","start":"00:13","end":"01:54","startHours":24.213363317734565,"endHours":25.900844449165916,"quality":"neutral"},{"name":"Labha","start":"01:54","end":"03:35","startHours":25.900844449165916,"endHours":27.588325580597267,"quality":"auspicious"},{"name":"Amṛta","start":"03:35","end":"05:17","startHours":27.588325580597267,"endHours":29.27580671202862,"quality":"auspicious"},{"name":"Kāla","start":"05:17","end":"06:58","startHours":29.27580671202862,"endHours":30.96328784345997,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.963287843459969,"endHours":7.963287843459969,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.963287843459969,"endHours":8.96328784345997,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.96328784345997,"endHours":9.96328784345997,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.96328784345997,"endHours":10.96328784345997,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.96328784345997,"endHours":11.96328784345997,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.96328784345997,"endHours":12.96328784345997,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.96328784345997,"endHours":13.96328784345997,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.96328784345997,"endHours":14.96328784345997,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.96328784345997,"endHours":15.96328784345997,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.96328784345997,"endHours":16.96328784345997,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.96328784345997,"endHours":17.96328784345997,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.96328784345997,"endHours":18.96328784345997,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.96328784345997,"endHours":19.96328784345997,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.96328784345997,"endHours":20.96328784345997,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.96328784345997,"endHours":21.96328784345997,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.96328784345997,"endHours":22.96328784345997,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.96328784345997,"endHours":23.96328784345997,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.96328784345997,"endHours":24.96328784345997,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.96328784345997,"endHours":25.96328784345997,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.96328784345997,"endHours":26.96328784345997,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.96328784345997,"endHours":27.96328784345997,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.96328784345997,"endHours":28.96328784345997,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.96328784345997,"endHours":29.96328784345997,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.96328784345997,"endHours":30.96328784345997,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","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":18.87108578902951,"eotMinutes":3.7562009359260493,"ayanamsa":25.3668}},"calendars":{"vikram_samvat":2165,"vikram_samvatsara":"Vṛṣa","saka_samvat":2030,"saka_samvatsara":"Vibhava","bengali_samvat":1515,"malayalam_era":1284,"nanakshahi_year":639,"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 Pañcamī · Vikram 2165 Vṛṣa · Śaka 2030 Vibhava"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"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 15, 2108 CE · Perth, Australia · Vidhyamitra","description":"May 15, 2108 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 06:58, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2108-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2108-05-15","sa":"https://sa.vidhyamitra.com/city/perth/2108-05-15","hi":"https://hi.vidhyamitra.com/city/perth/2108-05-15","x-default":"https://vidhyamitra.com/city/perth/2108-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:48:02.783Z","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":"2026-06-01T15:48:02.783Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:48:02.783Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}