{"id":"vidhyamitra:city-day:perth:1887-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1887-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1887-01-28","date_display":"January 28, 1887 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":1887,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2410299.770833,"kali_year":4988,"ahargana":1821834.2708,"sun":{"sidereal_longitude":285.8366,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":332.0319,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.1953,"elapsed_within_tithi_degrees":10.1953},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.0319,"elapsed_within_degrees":12.0319},"yoga":{"number":20,"name":"Śiva","sum_longitude":257.8685},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1887,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2410299.770833,"ahargana":1821834.2708,"kali_year":4988,"ayanamsa_lahiri":22.2755,"grahas":{"sun":{"sidereal_longitude":285.57328099999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":328.36588099999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-1.6535},"mars":{"sidereal_longitude":306.675881,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":280.497081,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":194.72128099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":300.49008100000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":86.197181,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":130.4531,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":310.4531,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"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":1887,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2410299.770833,"kali_year":4988,"ahargana":1821834.2708,"sun":{"sidereal_longitude":285.8366,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":332.0319,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.1953,"elapsed_within_tithi_degrees":10.1953},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.0319,"elapsed_within_degrees":12.0319},"yoga":{"number":20,"name":"Śiva","sum_longitude":257.8685},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.654,"elongation":46.195},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.654,"opposition_distance":133.805}},"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":"05:38","sunsetLocal":"19:21","solarNoonLocal":"12:30","dayLengthHours":13.72867397572105,"dayLengthDisplay":"13 Hours 43 Mins 43 Secs","nightLengthDisplay":"10 Hours 16 Mins 17 Secs","moonriseLocal":"09:09","moonsetLocal":"21:33","rahuKala":{"name":"Rāhu Kāla","start":"10:47","end":"12:30","startHours":10.7761262869493,"endHours":12.492210533914431,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:55","end":"17:38","startHours":15.924379027844694,"endHours":17.640463274809825,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:21","end":"09:04","startHours":7.3439577930190385,"endHours":9.06004203998417,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:17","startHours":8.831230807055485,"endHours":9.288853272912853,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:12","end":"06:34","startHours":6.199901628375618,"endHours":6.565999601061512,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:57","startHours":12.034588068057063,"endHours":12.949832999771798,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:43","startHours":3.797383682624434,"endHours":4.71262861433917,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:38","startHours":4.4838173814104865,"endHours":5.627873546053907,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.780322863201274,"endHours":15.69556779491601,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.156547521774957,"endHours":19.556547521774956,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:56","startHours":19.356547521774957,"endHours":19.928575604096668,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.106547521774957,"endHours":20.856547521774957,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:57","startHours":24.03458806805706,"endHours":24.9498329997718,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:38","end":"07:21","startHours":5.627873546053907,"endHours":7.3439577930190385,"quality":"neutral"},{"name":"Labha","start":"07:21","end":"09:04","startHours":7.3439577930190385,"endHours":9.06004203998417,"quality":"auspicious"},{"name":"Amṛta","start":"09:04","end":"10:47","startHours":9.06004203998417,"endHours":10.7761262869493,"quality":"auspicious"},{"name":"Kāla","start":"10:47","end":"12:30","startHours":10.7761262869493,"endHours":12.492210533914431,"quality":"inauspicious"},{"name":"Śubha","start":"12:30","end":"14:12","startHours":12.492210533914431,"endHours":14.208294780879562,"quality":"auspicious"},{"name":"Roga","start":"14:12","end":"15:55","startHours":14.208294780879562,"endHours":15.924379027844694,"quality":"inauspicious"},{"name":"Udveg","start":"15:55","end":"17:38","startHours":15.924379027844694,"endHours":17.640463274809825,"quality":"inauspicious"},{"name":"Chala","start":"17:38","end":"19:21","startHours":17.640463274809825,"endHours":19.356547521774957,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:21","end":"20:38","startHours":19.356547521774957,"endHours":20.640463274809825,"quality":"inauspicious"},{"name":"Udveg","start":"20:38","end":"21:55","startHours":20.640463274809825,"endHours":21.924379027844694,"quality":"inauspicious"},{"name":"Chala","start":"21:55","end":"23:12","startHours":21.924379027844694,"endHours":23.208294780879562,"quality":"neutral"},{"name":"Labha","start":"23:12","end":"00:30","startHours":23.208294780879562,"endHours":24.49221053391443,"quality":"auspicious"},{"name":"Amṛta","start":"00:30","end":"01:47","startHours":24.49221053391443,"endHours":25.7761262869493,"quality":"auspicious"},{"name":"Kāla","start":"01:47","end":"03:04","startHours":25.7761262869493,"endHours":27.060042039984168,"quality":"inauspicious"},{"name":"Śubha","start":"03:04","end":"04:21","startHours":27.060042039984168,"endHours":28.343957793019037,"quality":"auspicious"},{"name":"Roga","start":"04:21","end":"05:38","startHours":28.343957793019037,"endHours":29.627873546053905,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:38","end":"06:38","startHours":5.627873546053907,"endHours":6.627873546053907,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:38","end":"07:38","startHours":6.627873546053907,"endHours":7.627873546053907,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:38","end":"08:38","startHours":7.627873546053907,"endHours":8.627873546053907,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:38","end":"09:38","startHours":8.627873546053907,"endHours":9.627873546053907,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:38","end":"10:38","startHours":9.627873546053907,"endHours":10.627873546053907,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:38","end":"11:38","startHours":10.627873546053907,"endHours":11.627873546053907,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:38","end":"12:38","startHours":11.627873546053907,"endHours":12.627873546053907,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:38","end":"13:38","startHours":12.627873546053907,"endHours":13.627873546053907,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:38","end":"14:38","startHours":13.627873546053907,"endHours":14.627873546053907,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:38","end":"15:38","startHours":14.627873546053907,"endHours":15.627873546053907,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:38","end":"16:38","startHours":15.627873546053907,"endHours":16.627873546053905,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:38","end":"17:38","startHours":16.627873546053905,"endHours":17.627873546053905,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:38","end":"18:38","startHours":17.627873546053905,"endHours":18.627873546053905,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:38","end":"19:38","startHours":18.627873546053905,"endHours":19.627873546053905,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:38","end":"20:38","startHours":19.627873546053905,"endHours":20.627873546053905,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:38","end":"21:38","startHours":20.627873546053905,"endHours":21.627873546053905,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:38","end":"22:38","startHours":21.627873546053905,"endHours":22.627873546053905,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:38","end":"23:38","startHours":22.627873546053905,"endHours":23.627873546053905,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:38","end":"00:38","startHours":23.627873546053905,"endHours":24.627873546053905,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:38","end":"01:38","startHours":24.627873546053905,"endHours":25.627873546053905,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:38","end":"02:38","startHours":25.627873546053905,"endHours":26.627873546053905,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:38","end":"03:38","startHours":26.627873546053905,"endHours":27.627873546053905,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:38","end":"04:38","startHours":27.627873546053905,"endHours":28.627873546053905,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:38","end":"05:38","startHours":28.627873546053905,"endHours":29.627873546053905,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.304235398519726,"eotMinutes":-12.974632034865841,"ayanamsa":22.2755}},"calendars":{"vikram_samvat":1944,"vikram_samvatsara":"Śārvarī","saka_samvat":1809,"saka_samvatsara":"Sarvajit","bengali_samvat":1294,"malayalam_era":1063,"nanakshahi_year":418,"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 Caturthī · Vikram 1944 Śārvarī · Śaka 1809 Sarvajit"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 January 28, 1887 CE · Perth, Australia · Vidhyamitra","description":"January 28, 1887 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:38, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1887-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1887-01-28","sa":"https://sa.vidhyamitra.com/city/perth/1887-01-28","hi":"https://hi.vidhyamitra.com/city/perth/1887-01-28","x-default":"https://vidhyamitra.com/city/perth/1887-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:30:00.948Z","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":"2026-05-31T10:30:00.948Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:30:00.948Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}