{"id":"vidhyamitra:city-day:perth:2113-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2113-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2113-02-20","date_display":"February 20, 2113 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":2113,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2492867.770833,"kali_year":5214,"ahargana":1904402.2708,"sun":{"sidereal_longitude":305.7144,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":355.1712,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":49.4568,"elapsed_within_tithi_degrees":1.4568},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.1712,"elapsed_within_degrees":8.5046},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.8857},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2113,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2492867.770833,"ahargana":1904402.2708,"kali_year":5214,"ayanamsa_lahiri":25.4334,"grahas":{"sun":{"sidereal_longitude":305.8632769999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":358.678077,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-4.4373},"mars":{"sidereal_longitude":1.2517770000000041,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":286.8297769999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":210.191277,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":313.29257699999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":320.638377,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":75.6031,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":255.6031,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2113,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2492867.770833,"kali_year":5214,"ahargana":1904402.2708,"sun":{"sidereal_longitude":305.7144,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":355.1712,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":49.4568,"elapsed_within_tithi_degrees":1.4568},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.1712,"elapsed_within_degrees":8.5046},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.8857},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.437,"elongation":49.457},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.437,"opposition_distance":130.543}},"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":"05:59","sunsetLocal":"19:03","solarNoonLocal":"12:31","dayLengthHours":13.06397117202544,"dayLengthDisplay":"13 Hours 03 Mins 50 Secs","nightLengthDisplay":"10 Hours 56 Mins 10 Secs","moonriseLocal":"10:23","moonsetLocal":"21:41","rahuKala":{"name":"Rāhu Kāla","start":"07:37","end":"09:15","startHours":7.615033227902497,"endHours":9.248029624405678,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:31","startHours":10.881026020908857,"endHours":12.514022417412036,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:09","end":"15:47","startHours":14.147018813915217,"endHours":15.780015210418398,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:28","startHours":9.030296771538588,"endHours":9.465762477272769,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.526368963567044,"endHours":6.874741528154389,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:57","startHours":12.078556711677855,"endHours":12.949488123146217,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:14","end":"05:07","startHours":4.240174008462592,"endHours":5.111105419930954,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:59","startHours":4.893372567063864,"endHours":5.982036831399317,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:34","startHours":14.691350946082942,"endHours":15.562282357551304,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:51","end":"19:15","startHours":18.846008003424757,"endHours":19.246008003424755,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:03","end":"19:35","startHours":19.046008003424756,"endHours":19.590340135592484,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:48","end":"20:33","startHours":18.796008003424756,"endHours":20.546008003424756,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:57","startHours":24.078556711677855,"endHours":24.949488123146217,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:59","end":"07:37","startHours":5.982036831399317,"endHours":7.615033227902497,"quality":"auspicious"},{"name":"Kāla","start":"07:37","end":"09:15","startHours":7.615033227902497,"endHours":9.248029624405678,"quality":"inauspicious"},{"name":"Śubha","start":"09:15","end":"10:53","startHours":9.248029624405678,"endHours":10.881026020908857,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:31","startHours":10.881026020908857,"endHours":12.514022417412036,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"14:09","startHours":12.514022417412036,"endHours":14.147018813915217,"quality":"inauspicious"},{"name":"Chala","start":"14:09","end":"15:47","startHours":14.147018813915217,"endHours":15.780015210418398,"quality":"neutral"},{"name":"Labha","start":"15:47","end":"17:25","startHours":15.780015210418398,"endHours":17.413011606921575,"quality":"auspicious"},{"name":"Amṛta","start":"17:25","end":"19:03","startHours":17.413011606921575,"endHours":19.046008003424756,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:03","end":"20:25","startHours":19.046008003424756,"endHours":20.413011606921575,"quality":"neutral"},{"name":"Labha","start":"20:25","end":"21:47","startHours":20.413011606921575,"endHours":21.780015210418398,"quality":"auspicious"},{"name":"Amṛta","start":"21:47","end":"23:09","startHours":21.780015210418398,"endHours":23.147018813915217,"quality":"auspicious"},{"name":"Kāla","start":"23:09","end":"00:31","startHours":23.147018813915217,"endHours":24.514022417412036,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"01:53","startHours":24.514022417412036,"endHours":25.881026020908855,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:15","startHours":25.881026020908855,"endHours":27.248029624405675,"quality":"inauspicious"},{"name":"Udveg","start":"03:15","end":"04:37","startHours":27.248029624405675,"endHours":28.615033227902497,"quality":"inauspicious"},{"name":"Chala","start":"04:37","end":"05:59","startHours":28.615033227902497,"endHours":29.982036831399316,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.982036831399317,"endHours":6.982036831399317,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.982036831399317,"endHours":7.982036831399317,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.982036831399317,"endHours":8.982036831399316,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.982036831399316,"endHours":9.982036831399316,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.982036831399316,"endHours":10.982036831399316,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.982036831399316,"endHours":11.982036831399316,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.982036831399316,"endHours":12.982036831399316,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.982036831399316,"endHours":13.982036831399316,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.982036831399316,"endHours":14.982036831399316,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.982036831399316,"endHours":15.982036831399316,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.982036831399316,"endHours":16.982036831399316,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.982036831399316,"endHours":17.982036831399316,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.982036831399316,"endHours":18.982036831399316,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.982036831399316,"endHours":19.982036831399316,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.982036831399316,"endHours":20.982036831399316,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.982036831399316,"endHours":21.982036831399316,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.982036831399316,"endHours":22.982036831399316,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.982036831399316,"endHours":23.982036831399316,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.982036831399316,"endHours":24.982036831399316,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.982036831399316,"endHours":25.982036831399316,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.982036831399316,"endHours":26.982036831399316,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.982036831399316,"endHours":27.982036831399316,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.982036831399316,"endHours":28.982036831399316,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.982036831399316,"endHours":29.982036831399316,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.012357461798926,"eotMinutes":-14.28334504472219,"ayanamsa":25.4334}},"calendars":{"vikram_samvat":2170,"vikram_samvatsara":"Vyaya","saka_samvat":2035,"saka_samvatsara":"Śrīmukha","bengali_samvat":1520,"malayalam_era":1289,"nanakshahi_year":644,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Pañcamī · Vikram 2170 Vyaya · Śaka 2035 Śrīmukha"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 20, 2113 CE · Perth, Australia · Vidhyamitra","description":"February 20, 2113 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 05:59, sūryāsta 19:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2113-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2113-02-20","sa":"https://sa.vidhyamitra.com/city/perth/2113-02-20","hi":"https://hi.vidhyamitra.com/city/perth/2113-02-20","x-default":"https://vidhyamitra.com/city/perth/2113-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:24:16.694Z","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":"2026-06-01T02:24:16.694Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:24:16.694Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}