{"id":"vidhyamitra:city-day:perth:2164-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2164-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2164-01-15","date_display":"January 15, 2164 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":2164,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511458.770833,"kali_year":5265,"ahargana":1922993.2708,"sun":{"sidereal_longitude":267.713,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":153.0726,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":245.3595,"elapsed_within_tithi_degrees":5.3595},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":153.0726,"elapsed_within_degrees":6.4059},"yoga":{"number":5,"name":"Śobhana","sum_longitude":60.7856},"karana":{"half_tithi_index":40,"name":"Gara"},"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":2164,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511458.770833,"ahargana":1922993.2708,"kali_year":5265,"ayanamsa_lahiri":26.1445,"grahas":{"sun":{"sidereal_longitude":268.23426399999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":150.08836399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-1.3512},"mars":{"sidereal_longitude":21.510964,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":259.5133639999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":297.35236399999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":310.727764,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":234.28866399999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":170.5624,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":350.5624,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"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":2164,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511458.770833,"kali_year":5265,"ahargana":1922993.2708,"sun":{"sidereal_longitude":267.713,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":153.0726,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":245.3595,"elapsed_within_tithi_degrees":5.3595},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":153.0726,"elapsed_within_degrees":6.4059},"yoga":{"number":5,"name":"Śobhana","sum_longitude":60.7856},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.351,"elongation":114.64},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.351,"opposition_distance":65.36}},"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":"05:25","sunsetLocal":"19:26","solarNoonLocal":"12:26","dayLengthHours":14.015544525703508,"dayLengthDisplay":"14 Hours 00 Mins 56 Secs","nightLengthDisplay":"9 Hours 59 Mins 04 Secs","moonriseLocal":"22:34","moonsetLocal":"10:32","rahuKala":{"name":"Rāhu Kāla","start":"17:41","end":"19:26","startHours":17.687628354574368,"endHours":19.439571420287308,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:26","end":"14:11","startHours":12.431799157435552,"endHours":14.183742223148492,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:56","end":"17:41","startHours":15.935685288861432,"endHours":17.687628354574368,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:10","startHours":8.694320617247952,"endHours":9.161505434771401,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:00","end":"06:23","startHours":6.008007916488112,"endHours":6.381755770506873,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:54","startHours":11.964614339912105,"endHours":12.898983974959004,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:29","startHours":3.5552876244899982,"endHours":4.489657259536899,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:25","startHours":4.256064850775174,"endHours":5.4240268945837995,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.767723245052803,"endHours":15.702092880099704,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.23957142028731,"endHours":19.639571420287307,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.439571420287308,"endHours":20.023552442191622,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.189571420287308,"endHours":20.939571420287308,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:54","startHours":23.964614339912107,"endHours":24.898983974959005,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:25","end":"07:11","startHours":5.4240268945837995,"endHours":7.175969960296738,"quality":"inauspicious"},{"name":"Chala","start":"07:11","end":"08:56","startHours":7.175969960296738,"endHours":8.927913026009676,"quality":"neutral"},{"name":"Labha","start":"08:56","end":"10:41","startHours":8.927913026009676,"endHours":10.679856091722616,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"12:26","startHours":10.679856091722616,"endHours":12.431799157435552,"quality":"auspicious"},{"name":"Kāla","start":"12:26","end":"14:11","startHours":12.431799157435552,"endHours":14.183742223148492,"quality":"inauspicious"},{"name":"Śubha","start":"14:11","end":"15:56","startHours":14.183742223148492,"endHours":15.935685288861432,"quality":"auspicious"},{"name":"Roga","start":"15:56","end":"17:41","startHours":15.935685288861432,"endHours":17.687628354574368,"quality":"inauspicious"},{"name":"Udveg","start":"17:41","end":"19:26","startHours":17.687628354574368,"endHours":19.439571420287308,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:26","end":"20:41","startHours":19.439571420287308,"endHours":20.687628354574368,"quality":"auspicious"},{"name":"Roga","start":"20:41","end":"21:56","startHours":20.687628354574368,"endHours":21.935685288861432,"quality":"inauspicious"},{"name":"Udveg","start":"21:56","end":"23:11","startHours":21.935685288861432,"endHours":23.183742223148492,"quality":"inauspicious"},{"name":"Chala","start":"23:11","end":"00:26","startHours":23.183742223148492,"endHours":24.431799157435556,"quality":"neutral"},{"name":"Labha","start":"00:26","end":"01:41","startHours":24.431799157435556,"endHours":25.679856091722616,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"02:56","startHours":25.679856091722616,"endHours":26.927913026009676,"quality":"auspicious"},{"name":"Kāla","start":"02:56","end":"04:11","startHours":26.927913026009676,"endHours":28.17596996029674,"quality":"inauspicious"},{"name":"Śubha","start":"04:11","end":"05:25","startHours":28.17596996029674,"endHours":29.4240268945838,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.4240268945837995,"endHours":6.4240268945837995,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.4240268945837995,"endHours":7.4240268945837995,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.4240268945837995,"endHours":8.4240268945838,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.4240268945838,"endHours":9.4240268945838,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.4240268945838,"endHours":10.4240268945838,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.4240268945838,"endHours":11.4240268945838,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.4240268945838,"endHours":12.4240268945838,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.4240268945838,"endHours":13.4240268945838,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.4240268945838,"endHours":14.4240268945838,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.4240268945838,"endHours":15.4240268945838,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.4240268945838,"endHours":16.4240268945838,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.4240268945838,"endHours":17.4240268945838,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.4240268945838,"endHours":18.4240268945838,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.4240268945838,"endHours":19.4240268945838,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.4240268945838,"endHours":20.4240268945838,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.4240268945838,"endHours":21.4240268945838,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.4240268945838,"endHours":22.4240268945838,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.4240268945838,"endHours":23.4240268945838,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.4240268945838,"endHours":24.4240268945838,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.4240268945838,"endHours":25.4240268945838,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.4240268945838,"endHours":26.4240268945838,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.4240268945838,"endHours":27.4240268945838,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.4240268945838,"endHours":28.4240268945838,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.4240268945838,"endHours":29.4240268945838,"planetary_lord":"Jupiter"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.239628705649814,"eotMinutes":-9.349949446133257,"ayanamsa":26.1445}},"calendars":{"vikram_samvat":2221,"vikram_samvatsara":"Īśvara","saka_samvat":2086,"saka_samvatsara":"Raktākṣī","bengali_samvat":1571,"malayalam_era":1340,"nanakshahi_year":695,"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":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ṣaṣṭhī · Vikram 2221 Īśvara · Śaka 2086 Raktākṣī"},"festivals":[],"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":[]},"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 15, 2164 CE · Perth, Australia · Vidhyamitra","description":"January 15, 2164 CE for Perth, Australia: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:25, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2164-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2164-01-15","sa":"https://sa.vidhyamitra.com/city/perth/2164-01-15","hi":"https://hi.vidhyamitra.com/city/perth/2164-01-15","x-default":"https://vidhyamitra.com/city/perth/2164-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:12:07.737Z","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":"2026-05-31T23:12:07.737Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:12:07.737Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}