{"id":"vidhyamitra:city-day:perth:2121-02-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2121-02-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-02-27","date_display":"February 27, 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":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495796.770833,"kali_year":5222,"ahargana":1907331.2708,"sun":{"sidereal_longitude":312.7221,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":71.5945,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.8724,"elapsed_within_tithi_degrees":10.8724},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.5945,"elapsed_within_degrees":4.9278},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.3166},"karana":{"half_tithi_index":19,"name":"Gara"},"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":2121,"month":2,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495796.770833,"ahargana":1907331.2708,"kali_year":5222,"ayanamsa_lahiri":25.5455,"grahas":{"sun":{"sidereal_longitude":312.86236699999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":74.363967,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":2.1673},"mars":{"sidereal_longitude":107.06476700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":289.26186699999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":82.992167,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":304.907967,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":60.377767000000006,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":280.4106,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":100.4106,"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":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495796.770833,"kali_year":5222,"ahargana":1907331.2708,"sun":{"sidereal_longitude":312.7221,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":71.5945,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.8724,"elapsed_within_tithi_degrees":10.8724},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":71.5945,"elapsed_within_degrees":4.9278},"yoga":{"number":2,"name":"Prīti","sum_longitude":24.3166},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.167,"elongation":118.872},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.167,"opposition_distance":61.128}},"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":"06:05","sunsetLocal":"18:55","solarNoonLocal":"12:30","dayLengthHours":12.83894360873375,"dayLengthDisplay":"12 Hours 50 Mins 20 Secs","nightLengthDisplay":"11 Hours 09 Mins 40 Secs","moonriseLocal":"15:34","moonsetLocal":"01:37","rahuKala":{"name":"Rāhu Kāla","start":"14:06","end":"15:43","startHours":14.10405181034713,"endHours":15.708919761438848,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:05","end":"07:41","startHours":6.079712054888535,"endHours":7.684580005980254,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:17","end":"10:54","startHours":9.289447957071973,"endHours":10.89431590816369,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:30","startHours":9.075465563593077,"endHours":9.503430350550868,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:57","startHours":6.614668038585775,"endHours":6.957039868152008,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:56","startHours":12.071219072297618,"endHours":12.927148646213203,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:13","startHours":4.367852907057369,"endHours":5.223782480972952,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:05","startHours":5.009800087494056,"endHours":6.079712054888535,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:30","startHours":14.63900779404437,"endHours":15.494937367959952,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.718655663622286,"endHours":19.118655663622285,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:27","startHours":18.918655663622285,"endHours":19.453611647319526,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.668655663622285,"endHours":20.418655663622285,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:56","startHours":24.07121907229762,"endHours":24.9271486462132,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:05","end":"07:41","startHours":6.079712054888535,"endHours":7.684580005980254,"quality":"auspicious"},{"name":"Roga","start":"07:41","end":"09:17","startHours":7.684580005980254,"endHours":9.289447957071973,"quality":"inauspicious"},{"name":"Udveg","start":"09:17","end":"10:54","startHours":9.289447957071973,"endHours":10.89431590816369,"quality":"inauspicious"},{"name":"Chala","start":"10:54","end":"12:30","startHours":10.89431590816369,"endHours":12.49918385925541,"quality":"neutral"},{"name":"Labha","start":"12:30","end":"14:06","startHours":12.49918385925541,"endHours":14.10405181034713,"quality":"auspicious"},{"name":"Amṛta","start":"14:06","end":"15:43","startHours":14.10405181034713,"endHours":15.708919761438848,"quality":"auspicious"},{"name":"Kāla","start":"15:43","end":"17:19","startHours":15.708919761438848,"endHours":17.313787712530566,"quality":"inauspicious"},{"name":"Śubha","start":"17:19","end":"18:55","startHours":17.313787712530566,"endHours":18.918655663622285,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:55","end":"20:19","startHours":18.918655663622285,"endHours":20.313787712530566,"quality":"auspicious"},{"name":"Kāla","start":"20:19","end":"21:43","startHours":20.313787712530566,"endHours":21.70891976143885,"quality":"inauspicious"},{"name":"Śubha","start":"21:43","end":"23:06","startHours":21.70891976143885,"endHours":23.10405181034713,"quality":"auspicious"},{"name":"Roga","start":"23:06","end":"00:30","startHours":23.10405181034713,"endHours":24.49918385925541,"quality":"inauspicious"},{"name":"Udveg","start":"00:30","end":"01:54","startHours":24.49918385925541,"endHours":25.89431590816369,"quality":"inauspicious"},{"name":"Chala","start":"01:54","end":"03:17","startHours":25.89431590816369,"endHours":27.28944795707197,"quality":"neutral"},{"name":"Labha","start":"03:17","end":"04:41","startHours":27.28944795707197,"endHours":28.684580005980255,"quality":"auspicious"},{"name":"Amṛta","start":"04:41","end":"06:05","startHours":28.684580005980255,"endHours":30.079712054888535,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.079712054888535,"endHours":7.079712054888535,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.079712054888535,"endHours":8.079712054888535,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.079712054888535,"endHours":9.079712054888535,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.079712054888535,"endHours":10.079712054888535,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.079712054888535,"endHours":11.079712054888535,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.079712054888535,"endHours":12.079712054888535,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.079712054888535,"endHours":13.079712054888535,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.079712054888535,"endHours":14.079712054888535,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.079712054888535,"endHours":15.079712054888535,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.079712054888535,"endHours":16.079712054888535,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.079712054888535,"endHours":17.079712054888535,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.079712054888535,"endHours":18.079712054888535,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.079712054888535,"endHours":19.079712054888535,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.079712054888535,"endHours":20.079712054888535,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.079712054888535,"endHours":21.079712054888535,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.079712054888535,"endHours":22.079712054888535,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.079712054888535,"endHours":23.079712054888535,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.079712054888535,"endHours":24.079712054888535,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.079712054888535,"endHours":25.079712054888535,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.079712054888535,"endHours":26.079712054888535,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.079712054888535,"endHours":27.079712054888535,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.079712054888535,"endHours":28.079712054888535,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.079712054888535,"endHours":29.079712054888535,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.079712054888535,"endHours":30.079712054888535,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","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":-8.41629118678566,"eotMinutes":-13.393031555324574,"ayanamsa":25.5455}},"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 Daśamī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[],"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 February 27, 2121 CE · Perth, Australia · Vidhyamitra","description":"February 27, 2121 CE for Perth, Australia: Śukla Daśamī, sūryodaya 06:05, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2121-02-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2121-02-27","sa":"https://sa.vidhyamitra.com/city/perth/2121-02-27","hi":"https://hi.vidhyamitra.com/city/perth/2121-02-27","x-default":"https://vidhyamitra.com/city/perth/2121-02-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:35:00.313Z","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":"2026-06-02T06:35:00.313Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:35:00.313Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}