{"id":"vidhyamitra:city-day:perth:2154-02-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2154-02-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-02-10","date_display":"February 10, 2154 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":2154,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507832.770833,"kali_year":5255,"ahargana":1919367.2708,"sun":{"sidereal_longitude":294.9342,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":263.6447,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.7105,"elapsed_within_tithi_degrees":4.7105},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":263.6447,"elapsed_within_degrees":10.3114},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.579},"karana":{"half_tithi_index":54,"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":2154,"month":2,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507832.770833,"ahargana":1919367.2708,"kali_year":5255,"ayanamsa_lahiri":26.0058,"grahas":{"sun":{"sidereal_longitude":295.23340399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":262.465904,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-4.444},"mars":{"sidereal_longitude":299.98490400000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":267.402604,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":356.526504,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":310.86750400000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":112.89970399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":2.6853,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":182.6853,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"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":2154,"month":2,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507832.770833,"kali_year":5255,"ahargana":1919367.2708,"sun":{"sidereal_longitude":294.9342,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":263.6447,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":328.7105,"elapsed_within_tithi_degrees":4.7105},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":263.6447,"elapsed_within_degrees":10.3114},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.579},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.444,"elongation":31.289},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.444,"opposition_distance":148.711}},"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":"05:50","sunsetLocal":"19:12","solarNoonLocal":"12:31","dayLengthHours":13.367420350465778,"dayLengthDisplay":"13 Hours 22 Mins 03 Secs","nightLengthDisplay":"10 Hours 37 Mins 57 Secs","moonriseLocal":"03:18","moonsetLocal":"17:22","rahuKala":{"name":"Rāhu Kāla","start":"17:32","end":"19:12","startHours":17.531194056283404,"endHours":19.202121600091626,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"14:11","startHours":12.518411424858737,"endHours":14.18933896866696,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:52","end":"17:32","startHours":15.860266512475182,"endHours":17.531194056283404,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:24","startHours":8.953765998067864,"endHours":9.399346676416723,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.391677097561923,"endHours":6.74814164024101,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.072830746509878,"endHours":12.963992103207596,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:03","end":"04:57","startHours":4.052378536230412,"endHours":4.94353989292813,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:50","startHours":4.7207495537537,"endHours":5.834701249625849,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:38","startHours":14.746314816603036,"endHours":15.637476173300755,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":19.002121600091627,"endHours":19.402121600091625,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:46","startHours":19.202121600091626,"endHours":19.7590974480277,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.952121600091626,"endHours":20.702121600091626,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.07283074650988,"endHours":24.963992103207595,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:50","end":"07:30","startHours":5.834701249625849,"endHours":7.505628793434071,"quality":"inauspicious"},{"name":"Chala","start":"07:30","end":"09:11","startHours":7.505628793434071,"endHours":9.176556337242292,"quality":"neutral"},{"name":"Labha","start":"09:11","end":"10:51","startHours":9.176556337242292,"endHours":10.847483881050515,"quality":"auspicious"},{"name":"Amṛta","start":"10:51","end":"12:31","startHours":10.847483881050515,"endHours":12.518411424858737,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"14:11","startHours":12.518411424858737,"endHours":14.18933896866696,"quality":"inauspicious"},{"name":"Śubha","start":"14:11","end":"15:52","startHours":14.18933896866696,"endHours":15.860266512475182,"quality":"auspicious"},{"name":"Roga","start":"15:52","end":"17:32","startHours":15.860266512475182,"endHours":17.531194056283404,"quality":"inauspicious"},{"name":"Udveg","start":"17:32","end":"19:12","startHours":17.531194056283404,"endHours":19.202121600091626,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:12","end":"20:32","startHours":19.202121600091626,"endHours":20.531194056283404,"quality":"auspicious"},{"name":"Roga","start":"20:32","end":"21:52","startHours":20.531194056283404,"endHours":21.86026651247518,"quality":"inauspicious"},{"name":"Udveg","start":"21:52","end":"23:11","startHours":21.86026651247518,"endHours":23.18933896866696,"quality":"inauspicious"},{"name":"Chala","start":"23:11","end":"00:31","startHours":23.18933896866696,"endHours":24.518411424858737,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"01:51","startHours":24.518411424858737,"endHours":25.847483881050515,"quality":"auspicious"},{"name":"Amṛta","start":"01:51","end":"03:11","startHours":25.847483881050515,"endHours":27.176556337242292,"quality":"auspicious"},{"name":"Kāla","start":"03:11","end":"04:30","startHours":27.176556337242292,"endHours":28.50562879343407,"quality":"inauspicious"},{"name":"Śubha","start":"04:30","end":"05:50","startHours":28.50562879343407,"endHours":29.834701249625848,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.834701249625849,"endHours":6.834701249625849,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.834701249625849,"endHours":7.834701249625849,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.834701249625849,"endHours":8.834701249625848,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.834701249625848,"endHours":9.834701249625848,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.834701249625848,"endHours":10.834701249625848,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.834701249625848,"endHours":11.834701249625848,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.834701249625848,"endHours":12.834701249625848,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.834701249625848,"endHours":13.834701249625848,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.834701249625848,"endHours":14.834701249625848,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.834701249625848,"endHours":15.834701249625848,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.834701249625848,"endHours":16.834701249625848,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.834701249625848,"endHours":17.834701249625848,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.834701249625848,"endHours":18.834701249625848,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.834701249625848,"endHours":19.834701249625848,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.834701249625848,"endHours":20.834701249625848,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.834701249625848,"endHours":21.834701249625848,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.834701249625848,"endHours":22.834701249625848,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.834701249625848,"endHours":23.834701249625848,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.834701249625848,"endHours":24.834701249625848,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.834701249625848,"endHours":25.834701249625848,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.834701249625848,"endHours":26.834701249625848,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.834701249625848,"endHours":27.834701249625848,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.834701249625848,"endHours":28.834701249625848,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.834701249625848,"endHours":29.834701249625848,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":-14.418849603013257,"eotMinutes":-14.546685491524224,"ayanamsa":26.0058}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"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 Trayodaśī · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 February 10, 2154 CE · Perth, Australia · Vidhyamitra","description":"February 10, 2154 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 05:50, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2154-02-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2154-02-10","sa":"https://sa.vidhyamitra.com/city/perth/2154-02-10","hi":"https://hi.vidhyamitra.com/city/perth/2154-02-10","x-default":"https://vidhyamitra.com/city/perth/2154-02-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:32:51.181Z","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":"2026-05-31T17:32:51.181Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:32:51.181Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}