{"id":"vidhyamitra:city-day:perth:2121-02-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2121-02-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-02-22","date_display":"February 22, 2121 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":2121,"month":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495791.770833,"kali_year":5222,"ahargana":1907326.2708,"sun":{"sidereal_longitude":307.6689,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":6.4034,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":58.7346,"elapsed_within_tithi_degrees":10.7346},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.4034,"elapsed_within_degrees":6.4034},"yoga":{"number":24,"name":"Śukla","sum_longitude":314.0723},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2121,"month":2,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495791.770833,"ahargana":1907326.2708,"kali_year":5222,"ayanamsa_lahiri":25.5453,"grahas":{"sun":{"sidereal_longitude":307.82815800000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":9.721158000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":4.4875},"mars":{"sidereal_longitude":108.63905799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":282.279258,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":83.30445800000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":308.007658,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":60.39045799999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":280.6755,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":100.6755,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2121,"month":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495791.770833,"kali_year":5222,"ahargana":1907326.2708,"sun":{"sidereal_longitude":307.6689,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":6.4034,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":58.7346,"elapsed_within_tithi_degrees":10.7346},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.4034,"elapsed_within_degrees":6.4034},"yoga":{"number":24,"name":"Śukla","sum_longitude":314.0723},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.487,"elongation":58.735},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.487,"opposition_distance":121.265}},"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":"06:01","sunsetLocal":"19:01","solarNoonLocal":"12:31","dayLengthHours":12.998972824618086,"dayLengthDisplay":"12 Hours 59 Mins 56 Secs","nightLengthDisplay":"11 Hours 00 Mins 04 Secs","moonriseLocal":"11:09","moonsetLocal":"22:07","rahuKala":{"name":"Rāhu Kāla","start":"09:16","end":"10:53","startHours":9.260969459760355,"endHours":10.885841062837617,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:08","end":"15:46","startHours":14.135584268992137,"endHours":15.760455872069398,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:01","end":"07:38","startHours":6.011226253605834,"endHours":7.636097856683095,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:29","startHours":9.044319912683388,"endHours":9.477619006837323,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:54","startHours":6.552850121298254,"endHours":6.899489396621403,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:57","startHours":12.07741357176094,"endHours":12.944011760068813,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:09","startHours":4.2780298769900895,"endHours":5.144628065297962,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"06:01","startHours":4.927978518220994,"endHours":6.011226253605834,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:33","startHours":14.677208136684557,"endHours":15.54380632499243,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.81019907822392,"endHours":19.21019907822392,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:33","startHours":19.01019907822392,"endHours":19.55182294591634,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.76019907822392,"endHours":20.51019907822392,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:57","startHours":24.07741357176094,"endHours":24.944011760068815,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:01","end":"07:38","startHours":6.011226253605834,"endHours":7.636097856683095,"quality":"inauspicious"},{"name":"Śubha","start":"07:38","end":"09:16","startHours":7.636097856683095,"endHours":9.260969459760355,"quality":"auspicious"},{"name":"Roga","start":"09:16","end":"10:53","startHours":9.260969459760355,"endHours":10.885841062837617,"quality":"inauspicious"},{"name":"Udveg","start":"10:53","end":"12:31","startHours":10.885841062837617,"endHours":12.510712665914877,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"14:08","startHours":12.510712665914877,"endHours":14.135584268992137,"quality":"neutral"},{"name":"Labha","start":"14:08","end":"15:46","startHours":14.135584268992137,"endHours":15.760455872069398,"quality":"auspicious"},{"name":"Amṛta","start":"15:46","end":"17:23","startHours":15.760455872069398,"endHours":17.38532747514666,"quality":"auspicious"},{"name":"Kāla","start":"17:23","end":"19:01","startHours":17.38532747514666,"endHours":19.01019907822392,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:01","end":"20:23","startHours":19.01019907822392,"endHours":20.38532747514666,"quality":"auspicious"},{"name":"Amṛta","start":"20:23","end":"21:46","startHours":20.38532747514666,"endHours":21.7604558720694,"quality":"auspicious"},{"name":"Kāla","start":"21:46","end":"23:08","startHours":21.7604558720694,"endHours":23.135584268992137,"quality":"inauspicious"},{"name":"Śubha","start":"23:08","end":"00:31","startHours":23.135584268992137,"endHours":24.510712665914877,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"01:53","startHours":24.510712665914877,"endHours":25.885841062837617,"quality":"inauspicious"},{"name":"Udveg","start":"01:53","end":"03:16","startHours":25.885841062837617,"endHours":27.260969459760354,"quality":"inauspicious"},{"name":"Chala","start":"03:16","end":"04:38","startHours":27.260969459760354,"endHours":28.636097856683094,"quality":"neutral"},{"name":"Labha","start":"04:38","end":"06:01","startHours":28.636097856683094,"endHours":30.011226253605834,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.011226253605834,"endHours":7.011226253605834,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.011226253605834,"endHours":8.011226253605834,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.011226253605834,"endHours":9.011226253605834,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.011226253605834,"endHours":10.011226253605834,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.011226253605834,"endHours":11.011226253605834,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.011226253605834,"endHours":12.011226253605834,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.011226253605834,"endHours":13.011226253605834,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.011226253605834,"endHours":14.011226253605834,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.011226253605834,"endHours":15.011226253605834,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.011226253605834,"endHours":16.011226253605834,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.011226253605834,"endHours":17.011226253605834,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.011226253605834,"endHours":18.011226253605834,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.011226253605834,"endHours":19.011226253605834,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.011226253605834,"endHours":20.011226253605834,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.011226253605834,"endHours":21.011226253605834,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.011226253605834,"endHours":22.011226253605834,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.011226253605834,"endHours":23.011226253605834,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.011226253605834,"endHours":24.011226253605834,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.011226253605834,"endHours":25.011226253605834,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.011226253605834,"endHours":26.011226253605834,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.011226253605834,"endHours":27.011226253605834,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.011226253605834,"endHours":28.011226253605834,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.011226253605834,"endHours":29.011226253605834,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.011226253605834,"endHours":30.011226253605834,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","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":-10.268021460816781,"eotMinutes":-14.08475995489261,"ayanamsa":25.5453}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"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 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 22, 2121 CE · Perth, Australia · Vidhyamitra","description":"February 22, 2121 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 06:01, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2121-02-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2121-02-22","sa":"https://sa.vidhyamitra.com/city/perth/2121-02-22","hi":"https://hi.vidhyamitra.com/city/perth/2121-02-22","x-default":"https://vidhyamitra.com/city/perth/2121-02-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:43:04.624Z","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":"2026-06-01T02:43:04.624Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:43:04.624Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}