{"id":"vidhyamitra:city-day:perth:2018-02-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2018-02-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-02-27","date_display":"February 27, 2018 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":2018,"month":2,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458176.770833,"kali_year":5119,"ahargana":1869711.2708,"sun":{"sidereal_longitude":314.3882,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":95.927,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.5388,"elapsed_within_tithi_degrees":9.5388},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.927,"elapsed_within_degrees":2.5936},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":50.3152},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2018,"month":2,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458176.770833,"ahargana":1869711.2708,"kali_year":5119,"ayanamsa_lahiri":24.1066,"grahas":{"sun":{"sidereal_longitude":314.2838280000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":93.676828,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-1.3723},"mars":{"sidereal_longitude":234.70052799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":322.13672799999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":208.75142800000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":325.76682800000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":252.922328,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":113.6992,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":293.6992,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2018,"month":2,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458176.770833,"kali_year":5119,"ahargana":1869711.2708,"sun":{"sidereal_longitude":314.3882,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":95.927,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.5388,"elapsed_within_tithi_degrees":9.5388},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.927,"elapsed_within_degrees":2.5936},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":50.3152},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.372,"elongation":141.539},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.372,"opposition_distance":38.461}},"eclipse_window_40days":[{"offset_days":-11,"type":"solar","occurs":true,"moon_latitude":-0.855,"elongation":1.98}]},"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":12.839503197158619,"dayLengthDisplay":"12 Hours 50 Mins 22 Secs","nightLengthDisplay":"11 Hours 09 Mins 38 Secs","moonriseLocal":"16:39","moonsetLocal":"02:56","rahuKala":{"name":"Rāhu Kāla","start":"15:43","end":"17:19","startHours":15.709059658545065,"endHours":17.313997558189893,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:17","end":"10:54","startHours":9.289308059965757,"endHours":10.894245959610583,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:30","end":"14:06","startHours":12.49918385925541,"endHours":14.104121758900238,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:30","startHours":9.075316340013114,"endHours":9.5032997799184,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:57","startHours":6.614411560557711,"endHours":6.956798312481941,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:56","startHours":12.071200419350124,"endHours":12.927167299160697,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:13","startHours":4.3674985010549525,"endHours":5.223465380865527,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:05","startHours":5.009473660912883,"endHours":6.079432260676102,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:30","startHours":14.639101058781849,"endHours":15.495067938592424,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.71893545783472,"endHours":19.11893545783472,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:27","startHours":18.91893545783472,"endHours":19.45391475771633,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.66893545783472,"endHours":20.41893545783472,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:56","startHours":24.071200419350124,"endHours":24.927167299160697,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:05","end":"07:41","startHours":6.079432260676102,"endHours":7.684370160320929,"quality":"inauspicious"},{"name":"Udveg","start":"07:41","end":"09:17","startHours":7.684370160320929,"endHours":9.289308059965757,"quality":"inauspicious"},{"name":"Chala","start":"09:17","end":"10:54","startHours":9.289308059965757,"endHours":10.894245959610583,"quality":"neutral"},{"name":"Labha","start":"10:54","end":"12:30","startHours":10.894245959610583,"endHours":12.49918385925541,"quality":"auspicious"},{"name":"Amṛta","start":"12:30","end":"14:06","startHours":12.49918385925541,"endHours":14.104121758900238,"quality":"auspicious"},{"name":"Kāla","start":"14:06","end":"15:43","startHours":14.104121758900238,"endHours":15.709059658545065,"quality":"inauspicious"},{"name":"Śubha","start":"15:43","end":"17:19","startHours":15.709059658545065,"endHours":17.313997558189893,"quality":"auspicious"},{"name":"Roga","start":"17:19","end":"18:55","startHours":17.313997558189893,"endHours":18.91893545783472,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:55","end":"20:19","startHours":18.91893545783472,"endHours":20.313997558189893,"quality":"inauspicious"},{"name":"Śubha","start":"20:19","end":"21:43","startHours":20.313997558189893,"endHours":21.709059658545065,"quality":"auspicious"},{"name":"Roga","start":"21:43","end":"23:06","startHours":21.709059658545065,"endHours":23.104121758900238,"quality":"inauspicious"},{"name":"Udveg","start":"23:06","end":"00:30","startHours":23.104121758900238,"endHours":24.49918385925541,"quality":"inauspicious"},{"name":"Chala","start":"00:30","end":"01:54","startHours":24.49918385925541,"endHours":25.894245959610583,"quality":"neutral"},{"name":"Labha","start":"01:54","end":"03:17","startHours":25.894245959610583,"endHours":27.289308059965755,"quality":"auspicious"},{"name":"Amṛta","start":"03:17","end":"04:41","startHours":27.289308059965755,"endHours":28.68437016032093,"quality":"auspicious"},{"name":"Kāla","start":"04:41","end":"06:05","startHours":28.68437016032093,"endHours":30.0794322606761,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.079432260676102,"endHours":7.079432260676102,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.079432260676102,"endHours":8.079432260676102,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.079432260676102,"endHours":9.079432260676102,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.079432260676102,"endHours":10.079432260676102,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.079432260676102,"endHours":11.079432260676102,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.079432260676102,"endHours":12.079432260676102,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.079432260676102,"endHours":13.079432260676102,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.079432260676102,"endHours":14.079432260676102,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.079432260676102,"endHours":15.079432260676102,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.079432260676102,"endHours":16.0794322606761,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.0794322606761,"endHours":17.0794322606761,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.0794322606761,"endHours":18.0794322606761,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.0794322606761,"endHours":19.0794322606761,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.0794322606761,"endHours":20.0794322606761,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.0794322606761,"endHours":21.0794322606761,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.0794322606761,"endHours":22.0794322606761,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.0794322606761,"endHours":23.0794322606761,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.0794322606761,"endHours":24.0794322606761,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.0794322606761,"endHours":25.0794322606761,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.0794322606761,"endHours":26.0794322606761,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.0794322606761,"endHours":27.0794322606761,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.0794322606761,"endHours":28.0794322606761,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.0794322606761,"endHours":29.0794322606761,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.0794322606761,"endHours":30.0794322606761,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-8.422810392113286,"eotMinutes":-13.393031555324574,"ayanamsa":24.1066}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvādaśī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 2018 CE · Perth, Australia · Vidhyamitra","description":"February 27, 2018 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 06:05, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2018-02-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2018-02-27","sa":"https://sa.vidhyamitra.com/city/perth/2018-02-27","hi":"https://hi.vidhyamitra.com/city/perth/2018-02-27","x-default":"https://vidhyamitra.com/city/perth/2018-02-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T08:10:58.676Z","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":"2026-05-15T08:10:58.676Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T08:10:58.676Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}