{"id":"vidhyamitra:city-day:perth:2166-01-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2166-01-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2166-01-30","date_display":"January 30, 2166 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":2166,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512204.770833,"kali_year":5267,"ahargana":1923739.2708,"sun":{"sidereal_longitude":283.593,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":259.7471,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.1541,"elapsed_within_tithi_degrees":0.1541},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.7471,"elapsed_within_degrees":6.4137},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":183.3401},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2166,"month":1,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512204.770833,"ahargana":1923739.2708,"kali_year":5267,"ayanamsa_lahiri":26.173,"grahas":{"sun":{"sidereal_longitude":283.994361,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":260.709061,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":3.51},"mars":{"sidereal_longitude":61.939661,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":293.557961,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":359.670561,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":234.92906100000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":256.1952610000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":131.0357,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.0357,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2166,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512204.770833,"kali_year":5267,"ahargana":1923739.2708,"sun":{"sidereal_longitude":283.593,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":259.7471,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.1541,"elapsed_within_tithi_degrees":0.1541},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.7471,"elapsed_within_degrees":6.4137},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":183.3401},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.51,"elongation":23.846},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.51,"opposition_distance":156.154}},"eclipse_window_40days":[{"offset_days":16,"type":"lunar","occurs":true,"moon_latitude":-0.683,"opposition_distance":1.528}]},"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":"05:40","sunsetLocal":"19:20","solarNoonLocal":"12:30","dayLengthHours":13.670662180138685,"dayLengthDisplay":"13 Hours 40 Mins 14 Secs","nightLengthDisplay":"10 Hours 19 Mins 46 Secs","moonriseLocal":"03:54","moonsetLocal":"17:59","rahuKala":{"name":"Rāhu Kāla","start":"14:12","end":"15:55","startHours":14.207418538780079,"endHours":15.916251311297415,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:40","end":"07:22","startHours":5.663254676193401,"endHours":7.372087448710737,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:47","startHours":9.080920221228073,"endHours":10.789752993745408,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:19","startHours":8.853075851559094,"endHours":9.30876459089705,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:36","startHours":6.232865600365846,"endHours":6.597416591836211,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:57","startHours":12.042897026924786,"endHours":12.954274505600699,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:50","end":"04:45","startHours":3.8404997188415764,"endHours":4.751877197517489,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:40","startHours":4.524032827848511,"endHours":5.663254676193401,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:41","startHours":14.777029462952523,"endHours":15.688406941628436,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.133916856332085,"endHours":19.533916856332084,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:54","startHours":19.333916856332085,"endHours":19.90352778050453,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.083916856332085,"endHours":20.833916856332085,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:57","startHours":24.042897026924788,"endHours":24.954274505600697,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:40","end":"07:22","startHours":5.663254676193401,"endHours":7.372087448710737,"quality":"auspicious"},{"name":"Roga","start":"07:22","end":"09:05","startHours":7.372087448710737,"endHours":9.080920221228073,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:47","startHours":9.080920221228073,"endHours":10.789752993745408,"quality":"inauspicious"},{"name":"Chala","start":"10:47","end":"12:30","startHours":10.789752993745408,"endHours":12.498585766262742,"quality":"neutral"},{"name":"Labha","start":"12:30","end":"14:12","startHours":12.498585766262742,"endHours":14.207418538780079,"quality":"auspicious"},{"name":"Amṛta","start":"14:12","end":"15:55","startHours":14.207418538780079,"endHours":15.916251311297415,"quality":"auspicious"},{"name":"Kāla","start":"15:55","end":"17:38","startHours":15.916251311297415,"endHours":17.62508408381475,"quality":"inauspicious"},{"name":"Śubha","start":"17:38","end":"19:20","startHours":17.62508408381475,"endHours":19.333916856332085,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:20","end":"20:38","startHours":19.333916856332085,"endHours":20.62508408381475,"quality":"auspicious"},{"name":"Kāla","start":"20:38","end":"21:55","startHours":20.62508408381475,"endHours":21.916251311297415,"quality":"inauspicious"},{"name":"Śubha","start":"21:55","end":"23:12","startHours":21.916251311297415,"endHours":23.20741853878008,"quality":"auspicious"},{"name":"Roga","start":"23:12","end":"00:30","startHours":23.20741853878008,"endHours":24.498585766262742,"quality":"inauspicious"},{"name":"Udveg","start":"00:30","end":"01:47","startHours":24.498585766262742,"endHours":25.789752993745406,"quality":"inauspicious"},{"name":"Chala","start":"01:47","end":"03:05","startHours":25.789752993745406,"endHours":27.08092022122807,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:22","startHours":27.08092022122807,"endHours":28.372087448710737,"quality":"auspicious"},{"name":"Amṛta","start":"04:22","end":"05:40","startHours":28.372087448710737,"endHours":29.6632546761934,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.663254676193401,"endHours":6.663254676193401,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.663254676193401,"endHours":7.663254676193401,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.663254676193401,"endHours":8.6632546761934,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.6632546761934,"endHours":9.6632546761934,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.6632546761934,"endHours":10.6632546761934,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.6632546761934,"endHours":11.6632546761934,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.6632546761934,"endHours":12.6632546761934,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.6632546761934,"endHours":13.6632546761934,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.6632546761934,"endHours":14.6632546761934,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.6632546761934,"endHours":15.6632546761934,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.6632546761934,"endHours":16.6632546761934,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.6632546761934,"endHours":17.6632546761934,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.6632546761934,"endHours":18.6632546761934,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.6632546761934,"endHours":19.6632546761934,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.6632546761934,"endHours":20.6632546761934,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.6632546761934,"endHours":21.6632546761934,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.6632546761934,"endHours":22.6632546761934,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.6632546761934,"endHours":23.6632546761934,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.6632546761934,"endHours":24.6632546761934,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.6632546761934,"endHours":25.6632546761934,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.6632546761934,"endHours":26.6632546761934,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.6632546761934,"endHours":27.6632546761934,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.6632546761934,"endHours":28.6632546761934,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.6632546761934,"endHours":29.6632546761934,"planetary_lord":"Moon"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Śrīvatsa","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":-17.693962142785153,"eotMinutes":-13.357145975764517,"ayanamsa":26.173}},"calendars":{"vikram_samvat":2223,"vikram_samvatsara":"Pramāthi","saka_samvat":2088,"saka_samvatsara":"Akṣaya","bengali_samvat":1573,"malayalam_era":1342,"nanakshahi_year":697,"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 Caturdaśī · Vikram 2223 Pramāthi · Śaka 2088 Akṣaya"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 30, 2166 CE · Perth, Australia · Vidhyamitra","description":"January 30, 2166 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 05:40, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2166-01-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2166-01-30","sa":"https://sa.vidhyamitra.com/city/perth/2166-01-30","hi":"https://hi.vidhyamitra.com/city/perth/2166-01-30","x-default":"https://vidhyamitra.com/city/perth/2166-01-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T23:31:47.391Z","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":"2026-06-01T23:31:47.391Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T23:31:47.391Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}