{"id":"vidhyamitra:city-day:perth:2029-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2029-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2029-02-18","date_display":"February 18, 2029 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":2029,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462185.770833,"kali_year":5130,"ahargana":1873720.2708,"sun":{"sidereal_longitude":305.4464,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":359.4758,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.0294,"elapsed_within_tithi_degrees":6.0294},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":359.4758,"elapsed_within_degrees":12.8092},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.9223},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":2029,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462185.770833,"ahargana":1873720.2708,"kali_year":5130,"ayanamsa_lahiri":24.26,"grahas":{"sun":{"sidereal_longitude":305.4015549999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":355.874655,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":4.454},"mars":{"sidereal_longitude":169.06415500000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":280.704555,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":183.034355,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":296.647255,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":11.837755000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":261.2831,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":81.2831,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2029,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462185.770833,"kali_year":5130,"ahargana":1873720.2708,"sun":{"sidereal_longitude":305.4464,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":359.4758,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.0294,"elapsed_within_tithi_degrees":6.0294},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":359.4758,"elapsed_within_degrees":12.8092},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.9223},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.454,"elongation":54.029},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.454,"opposition_distance":125.971}},"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":"05:58","sunsetLocal":"19:04","solarNoonLocal":"12:31","dayLengthHours":13.114659032464324,"dayLengthDisplay":"13 Hours 06 Mins 53 Secs","nightLengthDisplay":"10 Hours 53 Mins 07 Secs","moonriseLocal":"10:10","moonsetLocal":"21:36","rahuKala":{"name":"Rāhu Kāla","start":"17:26","end":"19:04","startHours":17.43454507404746,"endHours":19.0738774531055,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"14:09","startHours":12.516547936873337,"endHours":14.155880315931377,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:48","end":"17:26","startHours":15.79521269498942,"endHours":17.43454507404746,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:27","startHours":9.019305528216185,"endHours":9.45646082929833,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:51","startHours":6.5056625469938565,"endHours":6.855386787859572,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:57","startHours":12.079392635791192,"endHours":12.953703237955482,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:05","startHours":4.2105972163126,"endHours":5.084907818476887,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:58","startHours":4.866330167935816,"endHours":5.959218420641176,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:35","startHours":14.702324442284059,"endHours":15.576635044448347,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:52","end":"19:16","startHours":18.8738774531055,"endHours":19.2738774531055,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:04","end":"19:37","startHours":19.0738774531055,"endHours":19.620321579458178,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:49","end":"20:34","startHours":18.8238774531055,"endHours":20.5738774531055,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:57","startHours":24.079392635791194,"endHours":24.95370323795548,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:58","end":"07:36","startHours":5.959218420641176,"endHours":7.5985507996992165,"quality":"inauspicious"},{"name":"Chala","start":"07:36","end":"09:14","startHours":7.5985507996992165,"endHours":9.237883178757258,"quality":"neutral"},{"name":"Labha","start":"09:14","end":"10:53","startHours":9.237883178757258,"endHours":10.877215557815298,"quality":"auspicious"},{"name":"Amṛta","start":"10:53","end":"12:31","startHours":10.877215557815298,"endHours":12.516547936873337,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"14:09","startHours":12.516547936873337,"endHours":14.155880315931377,"quality":"inauspicious"},{"name":"Śubha","start":"14:09","end":"15:48","startHours":14.155880315931377,"endHours":15.79521269498942,"quality":"auspicious"},{"name":"Roga","start":"15:48","end":"17:26","startHours":15.79521269498942,"endHours":17.43454507404746,"quality":"inauspicious"},{"name":"Udveg","start":"17:26","end":"19:04","startHours":17.43454507404746,"endHours":19.0738774531055,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:04","end":"20:26","startHours":19.0738774531055,"endHours":20.43454507404746,"quality":"auspicious"},{"name":"Roga","start":"20:26","end":"21:48","startHours":20.43454507404746,"endHours":21.795212694989416,"quality":"inauspicious"},{"name":"Udveg","start":"21:48","end":"23:09","startHours":21.795212694989416,"endHours":23.155880315931377,"quality":"inauspicious"},{"name":"Chala","start":"23:09","end":"00:31","startHours":23.155880315931377,"endHours":24.516547936873337,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"01:53","startHours":24.516547936873337,"endHours":25.877215557815298,"quality":"auspicious"},{"name":"Amṛta","start":"01:53","end":"03:14","startHours":25.877215557815298,"endHours":27.237883178757258,"quality":"auspicious"},{"name":"Kāla","start":"03:14","end":"04:36","startHours":27.237883178757258,"endHours":28.598550799699215,"quality":"inauspicious"},{"name":"Śubha","start":"04:36","end":"05:58","startHours":28.598550799699215,"endHours":29.959218420641175,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.959218420641176,"endHours":6.959218420641176,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.959218420641176,"endHours":7.959218420641176,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.959218420641176,"endHours":8.959218420641175,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.959218420641175,"endHours":9.959218420641175,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.959218420641175,"endHours":10.959218420641175,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.959218420641175,"endHours":11.959218420641175,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.959218420641175,"endHours":12.959218420641175,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.959218420641175,"endHours":13.959218420641175,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.959218420641175,"endHours":14.959218420641175,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.959218420641175,"endHours":15.959218420641175,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.959218420641175,"endHours":16.959218420641175,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.959218420641175,"endHours":17.959218420641175,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.959218420641175,"endHours":18.959218420641175,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.959218420641175,"endHours":19.959218420641175,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.959218420641175,"endHours":20.959218420641175,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.959218420641175,"endHours":21.959218420641175,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.959218420641175,"endHours":22.959218420641175,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.959218420641175,"endHours":23.959218420641175,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.959218420641175,"endHours":24.959218420641175,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.959218420641175,"endHours":25.959218420641175,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.959218420641175,"endHours":26.959218420641175,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.959218420641175,"endHours":27.959218420641175,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.959218420641175,"endHours":28.959218420641175,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.959218420641175,"endHours":29.959218420641175,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-11.589440693768628,"eotMinutes":-14.434876212400278,"ayanamsa":24.26}},"calendars":{"vikram_samvat":2086,"vikram_samvatsara":"Dundubhi","saka_samvat":1951,"saka_samvatsara":"Saumya","bengali_samvat":1436,"malayalam_era":1205,"nanakshahi_year":560,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Pañcamī · Vikram 2086 Dundubhi · Śaka 1951 Saumya"},"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":"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 18, 2029 CE · Perth, Australia · Vidhyamitra","description":"February 18, 2029 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 05:58, sūryāsta 19:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2029-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2029-02-18","sa":"https://sa.vidhyamitra.com/city/perth/2029-02-18","hi":"https://hi.vidhyamitra.com/city/perth/2029-02-18","x-default":"https://vidhyamitra.com/city/perth/2029-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:29:20.352Z","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":"2026-05-15T05:29:20.352Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:29:20.352Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}