{"id":"vidhyamitra:city-day:perth:2087-01-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2087-01-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2087-01-23","date_display":"January 23, 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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483343.770833,"kali_year":5188,"ahargana":1894878.2708,"sun":{"sidereal_longitude":277.8993,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":148.3672,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":230.4679,"elapsed_within_tithi_degrees":2.4679},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.3672,"elapsed_within_degrees":1.7005},"yoga":{"number":5,"name":"Śobhana","sum_longitude":66.2665},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483343.770833,"ahargana":1894878.2708,"kali_year":5188,"ayanamsa_lahiri":25.0692,"grahas":{"sun":{"sidereal_longitude":278.158364,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":146.76306399999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-4.276},"mars":{"sidereal_longitude":61.57376399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":295.394764,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":142.30886399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":303.82566399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":358.425264,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":220.2304,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":40.2304,"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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483343.770833,"kali_year":5188,"ahargana":1894878.2708,"sun":{"sidereal_longitude":277.8993,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":148.3672,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":230.4679,"elapsed_within_tithi_degrees":2.4679},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.3672,"elapsed_within_degrees":1.7005},"yoga":{"number":5,"name":"Śobhana","sum_longitude":66.2665},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.276,"elongation":129.532},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.276,"opposition_distance":50.468}},"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":"05:33","sunsetLocal":"19:23","solarNoonLocal":"12:28","dayLengthHours":13.83738054766049,"dayLengthDisplay":"13 Hours 50 Mins 15 Secs","nightLengthDisplay":"10 Hours 09 Mins 45 Secs","moonriseLocal":"21:48","moonsetLocal":"09:37","rahuKala":{"name":"Rāhu Kāla","start":"14:12","end":"15:56","startHours":14.20239252812619,"endHours":15.932065096583752,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:33","end":"07:17","startHours":5.554029685838383,"endHours":7.283702254295944,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:01","end":"10:45","startHours":9.013374822753505,"endHours":10.743047391211068,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:15","startHours":8.782751813625831,"endHours":9.243997831881181,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:30","startHours":6.130587208657571,"endHours":6.499584023261851,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:56","startHours":12.011473941413279,"endHours":12.933965977923979,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:43","end":"04:38","startHours":3.7090456128169844,"endHours":4.631537649327684,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:33","startHours":4.400914640200009,"endHours":5.554029685838383,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.778950050945376,"endHours":15.701442087456075,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:11","end":"19:35","startHours":19.191410233498875,"endHours":19.591410233498873,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:23","end":"19:58","startHours":19.391410233498874,"endHours":19.96796775631806,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:08","end":"20:53","startHours":19.141410233498874,"endHours":20.891410233498874,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:56","startHours":24.011473941413282,"endHours":24.93396597792398,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:33","end":"07:17","startHours":5.554029685838383,"endHours":7.283702254295944,"quality":"auspicious"},{"name":"Roga","start":"07:17","end":"09:01","startHours":7.283702254295944,"endHours":9.013374822753505,"quality":"inauspicious"},{"name":"Udveg","start":"09:01","end":"10:45","startHours":9.013374822753505,"endHours":10.743047391211068,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:28","startHours":10.743047391211068,"endHours":12.472719959668629,"quality":"neutral"},{"name":"Labha","start":"12:28","end":"14:12","startHours":12.472719959668629,"endHours":14.20239252812619,"quality":"auspicious"},{"name":"Amṛta","start":"14:12","end":"15:56","startHours":14.20239252812619,"endHours":15.932065096583752,"quality":"auspicious"},{"name":"Kāla","start":"15:56","end":"17:40","startHours":15.932065096583752,"endHours":17.661737665041315,"quality":"inauspicious"},{"name":"Śubha","start":"17:40","end":"19:23","startHours":17.661737665041315,"endHours":19.391410233498874,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:23","end":"20:40","startHours":19.391410233498874,"endHours":20.66173766504131,"quality":"auspicious"},{"name":"Kāla","start":"20:40","end":"21:56","startHours":20.66173766504131,"endHours":21.932065096583752,"quality":"inauspicious"},{"name":"Śubha","start":"21:56","end":"23:12","startHours":21.932065096583752,"endHours":23.20239252812619,"quality":"auspicious"},{"name":"Roga","start":"23:12","end":"00:28","startHours":23.20239252812619,"endHours":24.47271995966863,"quality":"inauspicious"},{"name":"Udveg","start":"00:28","end":"01:45","startHours":24.47271995966863,"endHours":25.743047391211068,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:01","startHours":25.743047391211068,"endHours":27.013374822753505,"quality":"neutral"},{"name":"Labha","start":"03:01","end":"04:17","startHours":27.013374822753505,"endHours":28.283702254295946,"quality":"auspicious"},{"name":"Amṛta","start":"04:17","end":"05:33","startHours":28.283702254295946,"endHours":29.554029685838383,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:33","end":"06:33","startHours":5.554029685838383,"endHours":6.554029685838383,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:33","end":"07:33","startHours":6.554029685838383,"endHours":7.554029685838383,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:33","end":"08:33","startHours":7.554029685838383,"endHours":8.554029685838383,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:33","end":"09:33","startHours":8.554029685838383,"endHours":9.554029685838383,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:33","end":"10:33","startHours":9.554029685838383,"endHours":10.554029685838383,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:33","end":"11:33","startHours":10.554029685838383,"endHours":11.554029685838383,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:33","end":"12:33","startHours":11.554029685838383,"endHours":12.554029685838383,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:33","end":"13:33","startHours":12.554029685838383,"endHours":13.554029685838383,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:33","end":"14:33","startHours":13.554029685838383,"endHours":14.554029685838383,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:33","end":"15:33","startHours":14.554029685838383,"endHours":15.554029685838383,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:33","end":"16:33","startHours":15.554029685838383,"endHours":16.554029685838383,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:33","end":"17:33","startHours":16.554029685838383,"endHours":17.554029685838383,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:33","end":"18:33","startHours":17.554029685838383,"endHours":18.554029685838383,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:33","end":"19:33","startHours":18.554029685838383,"endHours":19.554029685838383,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:33","end":"20:33","startHours":19.554029685838383,"endHours":20.554029685838383,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:33","end":"21:33","startHours":20.554029685838383,"endHours":21.554029685838383,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:33","end":"22:33","startHours":21.554029685838383,"endHours":22.554029685838383,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:33","end":"23:33","startHours":22.554029685838383,"endHours":23.554029685838383,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:33","end":"00:33","startHours":23.554029685838383,"endHours":24.554029685838383,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:33","end":"01:33","startHours":24.554029685838383,"endHours":25.554029685838383,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:33","end":"02:33","startHours":25.554029685838383,"endHours":26.554029685838383,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:33","end":"03:33","startHours":26.554029685838383,"endHours":27.554029685838383,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:33","end":"04:33","startHours":27.554029685838383,"endHours":28.554029685838383,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:33","end":"05:33","startHours":28.554029685838383,"endHours":29.554029685838383,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.432950505161983,"eotMinutes":-11.805197580117738,"ayanamsa":25.0692}},"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 Pañcamī · Vikram 2144 Raudra · Śaka 2009 Plavaṅga"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 23, 2087 CE · Perth, Australia · Vidhyamitra","description":"January 23, 2087 CE for Perth, Australia: Kṛṣṇa Pañcamī, sūryodaya 05:33, sūryāsta 19:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2087-01-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2087-01-23","sa":"https://sa.vidhyamitra.com/city/perth/2087-01-23","hi":"https://hi.vidhyamitra.com/city/perth/2087-01-23","x-default":"https://vidhyamitra.com/city/perth/2087-01-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:55:59.287Z","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":"2026-05-31T21:55:59.287Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:55:59.287Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}