{"id":"vidhyamitra:city-day:perth:2074-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2074-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2074-02-01","date_display":"February 1, 2074 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":2074,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478604.770833,"kali_year":5175,"ahargana":1890139.2708,"sun":{"sidereal_longitude":287.4852,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":345.0917,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.6065,"elapsed_within_tithi_degrees":9.6065},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":345.0917,"elapsed_within_degrees":11.7584},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.5769},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":2074,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2478604.770833,"ahargana":1890139.2708,"kali_year":5175,"ayanamsa_lahiri":24.8879,"grahas":{"sun":{"sidereal_longitude":287.64542800000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":343.436628,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":-3.6284},"mars":{"sidereal_longitude":124.75082800000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":290.00672800000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":101.76032800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"venus":{"sidereal_longitude":296.38442800000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":219.85112800000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":111.3254,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.3254,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"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":2074,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2478604.770833,"kali_year":5175,"ahargana":1890139.2708,"sun":{"sidereal_longitude":287.4852,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":345.0917,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.6065,"elapsed_within_tithi_degrees":9.6065},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":345.0917,"elapsed_within_degrees":11.7584},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.5769},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.628,"elongation":57.606},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.628,"opposition_distance":122.394}},"eclipse_window_40days":[{"offset_days":-5,"type":"solar","occurs":true,"moon_latitude":0.815,"elongation":1.224},{"offset_days":11,"type":"lunar","occurs":true,"moon_latitude":0.68,"opposition_distance":0.744}]},"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":"05:42","sunsetLocal":"19:19","solarNoonLocal":"12:30","dayLengthHours":13.609302491230403,"dayLengthDisplay":"13 Hours 36 Mins 33 Secs","nightLengthDisplay":"10 Hours 23 Mins 27 Secs","moonriseLocal":"10:19","moonsetLocal":"22:08","rahuKala":{"name":"Rāhu Kāla","start":"14:12","end":"15:54","startHours":14.205285280027061,"endHours":15.906448091430862,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:42","end":"07:24","startHours":5.699471223008059,"endHours":7.400634034411859,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:06","end":"10:48","startHours":9.10179684581566,"endHours":10.80295965721946,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:20","startHours":8.874975137628486,"endHours":9.328618554002833,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:38","startHours":6.266525493475992,"endHours":6.629440226575469,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:57","startHours":12.050479052248914,"endHours":12.957765884997606,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:53","end":"04:48","startHours":3.884897557510672,"endHours":4.792184390259365,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:34","end":"05:42","startHours":4.565362682072192,"endHours":5.699471223008059,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:41","startHours":14.772339550494996,"endHours":15.67962638324369,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.108773714238463,"endHours":19.508773714238462,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:53","startHours":19.308773714238463,"endHours":19.875827984706397,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.058773714238463,"endHours":20.808773714238463,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:57","startHours":24.05047905224891,"endHours":24.957765884997606,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:42","end":"07:24","startHours":5.699471223008059,"endHours":7.400634034411859,"quality":"auspicious"},{"name":"Roga","start":"07:24","end":"09:06","startHours":7.400634034411859,"endHours":9.10179684581566,"quality":"inauspicious"},{"name":"Udveg","start":"09:06","end":"10:48","startHours":9.10179684581566,"endHours":10.80295965721946,"quality":"inauspicious"},{"name":"Chala","start":"10:48","end":"12:30","startHours":10.80295965721946,"endHours":12.504122468623262,"quality":"neutral"},{"name":"Labha","start":"12:30","end":"14:12","startHours":12.504122468623262,"endHours":14.205285280027061,"quality":"auspicious"},{"name":"Amṛta","start":"14:12","end":"15:54","startHours":14.205285280027061,"endHours":15.906448091430862,"quality":"auspicious"},{"name":"Kāla","start":"15:54","end":"17:36","startHours":15.906448091430862,"endHours":17.60761090283466,"quality":"inauspicious"},{"name":"Śubha","start":"17:36","end":"19:19","startHours":17.60761090283466,"endHours":19.308773714238463,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:19","end":"20:36","startHours":19.308773714238463,"endHours":20.60761090283466,"quality":"auspicious"},{"name":"Kāla","start":"20:36","end":"21:54","startHours":20.60761090283466,"endHours":21.90644809143086,"quality":"inauspicious"},{"name":"Śubha","start":"21:54","end":"23:12","startHours":21.90644809143086,"endHours":23.205285280027063,"quality":"auspicious"},{"name":"Roga","start":"23:12","end":"00:30","startHours":23.205285280027063,"endHours":24.50412246862326,"quality":"inauspicious"},{"name":"Udveg","start":"00:30","end":"01:48","startHours":24.50412246862326,"endHours":25.80295965721946,"quality":"inauspicious"},{"name":"Chala","start":"01:48","end":"03:06","startHours":25.80295965721946,"endHours":27.10179684581566,"quality":"neutral"},{"name":"Labha","start":"03:06","end":"04:24","startHours":27.10179684581566,"endHours":28.40063403441186,"quality":"auspicious"},{"name":"Amṛta","start":"04:24","end":"05:42","startHours":28.40063403441186,"endHours":29.69947122300806,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.699471223008059,"endHours":6.699471223008059,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.699471223008059,"endHours":7.699471223008059,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.699471223008059,"endHours":8.699471223008059,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.699471223008059,"endHours":9.699471223008059,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.699471223008059,"endHours":10.699471223008059,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.699471223008059,"endHours":11.699471223008059,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.699471223008059,"endHours":12.699471223008059,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.699471223008059,"endHours":13.699471223008059,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.699471223008059,"endHours":14.699471223008059,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.699471223008059,"endHours":15.699471223008059,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.699471223008059,"endHours":16.69947122300806,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.69947122300806,"endHours":17.69947122300806,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.69947122300806,"endHours":18.69947122300806,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.69947122300806,"endHours":19.69947122300806,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.69947122300806,"endHours":20.69947122300806,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.69947122300806,"endHours":21.69947122300806,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.69947122300806,"endHours":22.69947122300806,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.69947122300806,"endHours":23.69947122300806,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.69947122300806,"endHours":24.69947122300806,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.69947122300806,"endHours":25.69947122300806,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.69947122300806,"endHours":26.69947122300806,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.69947122300806,"endHours":27.69947122300806,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.69947122300806,"endHours":28.69947122300806,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.69947122300806,"endHours":29.69947122300806,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.042607979832336,"eotMinutes":-13.689348117395623,"ayanamsa":24.8879}},"calendars":{"vikram_samvat":2131,"vikram_samvatsara":"Plavaṅga","saka_samvat":1996,"saka_samvatsara":"Jaya","bengali_samvat":1481,"malayalam_era":1250,"nanakshahi_year":605,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pañcamī · Vikram 2131 Plavaṅga · Śaka 1996 Jaya"},"festivals":[{"id":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]}],"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 1, 2074 CE · Perth, Australia · Vidhyamitra","description":"February 1, 2074 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 05:42, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2074-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2074-02-01","sa":"https://sa.vidhyamitra.com/city/perth/2074-02-01","hi":"https://hi.vidhyamitra.com/city/perth/2074-02-01","x-default":"https://vidhyamitra.com/city/perth/2074-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:47:59.707Z","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":"2026-05-31T06:47:59.707Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:47:59.707Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}