{"id":"vidhyamitra:city-day:perth:2087-01-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2087-01-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2087-01-22","date_display":"January 22, 2087 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":2087,"month":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483342.770833,"kali_year":5188,"ahargana":1894877.2708,"sun":{"sidereal_longitude":276.8739,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":136.08,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.2061,"elapsed_within_tithi_degrees":3.2061},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":136.08,"elapsed_within_degrees":2.7467},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":52.954},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2087,"month":1,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483342.770833,"ahargana":1894877.2708,"kali_year":5188,"ayanamsa_lahiri":25.0691,"grahas":{"sun":{"sidereal_longitude":277.140902,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":134.356202,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":-4.4769},"mars":{"sidereal_longitude":61.716301999999985,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":294.584602,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":142.369502,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":302.586002,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":358.374502,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":220.2834,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":40.2834,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2087,"month":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483342.770833,"kali_year":5188,"ahargana":1894877.2708,"sun":{"sidereal_longitude":276.8739,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":136.08,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.2061,"elapsed_within_tithi_degrees":3.2061},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":136.08,"elapsed_within_degrees":2.7467},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":52.954},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.477,"elongation":140.794},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.477,"opposition_distance":39.206}},"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":"05:32","sunsetLocal":"19:24","solarNoonLocal":"12:28","dayLengthHours":13.859975985210294,"dayLengthDisplay":"13 Hours 51 Mins 36 Secs","nightLengthDisplay":"10 Hours 08 Mins 24 Secs","moonriseLocal":"21:14","moonsetLocal":"08:40","rahuKala":{"name":"Rāhu Kāla","start":"12:28","end":"14:12","startHours":12.468235055138987,"endHours":14.200732053290274,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:16","end":"09:00","startHours":7.270744060685127,"endHours":9.003241058836414,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:44","end":"12:28","startHours":10.7357380569877,"endHours":12.468235055138987,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:14","startHours":8.77224145908291,"endHours":9.234240658589918,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:29","startHours":6.115746061917603,"endHours":6.485345421523211,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:56","startHours":12.006235855631978,"endHours":12.930234254645999,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:41","end":"04:37","startHours":3.690250264505801,"endHours":4.614248663519821,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:32","startHours":4.383249063766316,"endHours":5.5382470625338405,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.778231052674037,"endHours":15.702229451688057,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.198223047744136,"endHours":19.598223047744135,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:59","startHours":19.398223047744136,"endHours":19.9757220471279,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.148223047744136,"endHours":20.898223047744136,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:56","startHours":24.00623585563198,"endHours":24.930234254646,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:32","end":"07:16","startHours":5.5382470625338405,"endHours":7.270744060685127,"quality":"auspicious"},{"name":"Amṛta","start":"07:16","end":"09:00","startHours":7.270744060685127,"endHours":9.003241058836414,"quality":"auspicious"},{"name":"Kāla","start":"09:00","end":"10:44","startHours":9.003241058836414,"endHours":10.7357380569877,"quality":"inauspicious"},{"name":"Śubha","start":"10:44","end":"12:28","startHours":10.7357380569877,"endHours":12.468235055138987,"quality":"auspicious"},{"name":"Roga","start":"12:28","end":"14:12","startHours":12.468235055138987,"endHours":14.200732053290274,"quality":"inauspicious"},{"name":"Udveg","start":"14:12","end":"15:56","startHours":14.200732053290274,"endHours":15.933229051441561,"quality":"inauspicious"},{"name":"Chala","start":"15:56","end":"17:40","startHours":15.933229051441561,"endHours":17.66572604959285,"quality":"neutral"},{"name":"Labha","start":"17:40","end":"19:24","startHours":17.66572604959285,"endHours":19.398223047744136,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:24","end":"20:40","startHours":19.398223047744136,"endHours":20.66572604959285,"quality":"inauspicious"},{"name":"Chala","start":"20:40","end":"21:56","startHours":20.66572604959285,"endHours":21.93322905144156,"quality":"neutral"},{"name":"Labha","start":"21:56","end":"23:12","startHours":21.93322905144156,"endHours":23.200732053290274,"quality":"auspicious"},{"name":"Amṛta","start":"23:12","end":"00:28","startHours":23.200732053290274,"endHours":24.46823505513899,"quality":"auspicious"},{"name":"Kāla","start":"00:28","end":"01:44","startHours":24.46823505513899,"endHours":25.7357380569877,"quality":"inauspicious"},{"name":"Śubha","start":"01:44","end":"03:00","startHours":25.7357380569877,"endHours":27.003241058836416,"quality":"auspicious"},{"name":"Roga","start":"03:00","end":"04:16","startHours":27.003241058836416,"endHours":28.27074406068513,"quality":"inauspicious"},{"name":"Udveg","start":"04:16","end":"05:32","startHours":28.27074406068513,"endHours":29.53824706253384,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.5382470625338405,"endHours":6.5382470625338405,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.5382470625338405,"endHours":7.5382470625338405,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.5382470625338405,"endHours":8.538247062533841,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.538247062533841,"endHours":9.538247062533841,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.538247062533841,"endHours":10.538247062533841,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.538247062533841,"endHours":11.538247062533841,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.538247062533841,"endHours":12.538247062533841,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.538247062533841,"endHours":13.538247062533841,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.538247062533841,"endHours":14.538247062533841,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.538247062533841,"endHours":15.538247062533841,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.538247062533841,"endHours":16.53824706253384,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.53824706253384,"endHours":17.53824706253384,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.53824706253384,"endHours":18.53824706253384,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.53824706253384,"endHours":19.53824706253384,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.53824706253384,"endHours":20.53824706253384,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.53824706253384,"endHours":21.53824706253384,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.53824706253384,"endHours":22.53824706253384,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.53824706253384,"endHours":23.53824706253384,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.53824706253384,"endHours":24.53824706253384,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.53824706253384,"endHours":25.53824706253384,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.53824706253384,"endHours":26.53824706253384,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.53824706253384,"endHours":27.53824706253384,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.53824706253384,"endHours":28.53824706253384,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.53824706253384,"endHours":29.53824706253384,"planetary_lord":"Sun"}],"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":"South-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.66508537900793,"eotMinutes":-11.536103308339323,"ayanamsa":25.0691}},"calendars":{"vikram_samvat":2144,"vikram_samvatsara":"Raudra","saka_samvat":2009,"saka_samvatsara":"Plavaṅga","bengali_samvat":1494,"malayalam_era":1263,"nanakshahi_year":618,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturthī · Vikram 2144 Raudra · Śaka 2009 Plavaṅga"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 January 22, 2087 CE · Perth, Australia · Vidhyamitra","description":"January 22, 2087 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 05:32, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2087-01-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2087-01-22","sa":"https://sa.vidhyamitra.com/city/perth/2087-01-22","hi":"https://hi.vidhyamitra.com/city/perth/2087-01-22","x-default":"https://vidhyamitra.com/city/perth/2087-01-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:05:05.390Z","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":"2026-05-31T15:05:05.390Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:05:05.390Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}