{"id":"vidhyamitra:city-day:perth:1891-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1891-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1891-04-01","date_display":"April 1, 1891 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":1891,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2411823.770833,"kali_year":4992,"ahargana":1823358.2708,"sun":{"sidereal_longitude":349.1204,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":246.9926,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.8722,"elapsed_within_tithi_degrees":5.8722},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.9926,"elapsed_within_degrees":6.9926},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.113},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1891,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2411823.770833,"ahargana":1823358.2708,"kali_year":4992,"ayanamsa_lahiri":22.3338,"grahas":{"sun":{"sidereal_longitude":348.703353,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":243.417053,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":-1.3361},"mars":{"sidereal_longitude":25.97695299999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":358.515353,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":314.741853,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":308.236853,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":140.38895300000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":49.7042,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":229.7042,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1891,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2411823.770833,"kali_year":4992,"ahargana":1823358.2708,"sun":{"sidereal_longitude":349.1204,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":246.9926,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.8722,"elapsed_within_tithi_degrees":5.8722},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.9926,"elapsed_within_degrees":6.9926},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.113},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.336,"elongation":102.128},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.336,"opposition_distance":77.872}},"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":"06:28","sunsetLocal":"18:14","solarNoonLocal":"12:21","dayLengthHours":11.76739423876462,"dayLengthDisplay":"11 Hours 46 Mins 03 Secs","nightLengthDisplay":"12 Hours 13 Mins 57 Secs","moonriseLocal":"22:14","moonsetLocal":"12:25","rahuKala":{"name":"Rāhu Kāla","start":"12:21","end":"13:49","startHours":12.348371601685859,"endHours":13.819295881531435,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:56","end":"09:24","startHours":7.935598762149125,"endHours":9.406523041994703,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:53","end":"12:21","startHours":10.877447321840279,"endHours":12.348371601685859,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.210399804681959,"endHours":9.602646279307447,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:57","end":"07:16","startHours":6.954982575585407,"endHours":7.268779755285797,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:44","startHours":11.95612512706037,"endHours":12.740618076311344,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:54","end":"05:41","startHours":4.895688583801599,"endHours":5.680181533052573,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:29","end":"06:28","startHours":5.484058295739829,"endHours":6.464674482303548,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:06","startHours":14.309603974813296,"endHours":15.09409692406427,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.032068721068168,"endHours":18.432068721068166,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:43","startHours":18.232068721068167,"endHours":18.722376814350024,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.982068721068167,"endHours":19.732068721068167,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:44","startHours":23.956125127060368,"endHours":24.740618076311343,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:28","end":"07:56","startHours":6.464674482303548,"endHours":7.935598762149125,"quality":"auspicious"},{"name":"Amṛta","start":"07:56","end":"09:24","startHours":7.935598762149125,"endHours":9.406523041994703,"quality":"auspicious"},{"name":"Kāla","start":"09:24","end":"10:53","startHours":9.406523041994703,"endHours":10.877447321840279,"quality":"inauspicious"},{"name":"Śubha","start":"10:53","end":"12:21","startHours":10.877447321840279,"endHours":12.348371601685859,"quality":"auspicious"},{"name":"Roga","start":"12:21","end":"13:49","startHours":12.348371601685859,"endHours":13.819295881531435,"quality":"inauspicious"},{"name":"Udveg","start":"13:49","end":"15:17","startHours":13.819295881531435,"endHours":15.290220161377011,"quality":"inauspicious"},{"name":"Chala","start":"15:17","end":"16:46","startHours":15.290220161377011,"endHours":16.76114444122259,"quality":"neutral"},{"name":"Labha","start":"16:46","end":"18:14","startHours":16.76114444122259,"endHours":18.232068721068167,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:14","end":"19:46","startHours":18.232068721068167,"endHours":19.76114444122259,"quality":"inauspicious"},{"name":"Chala","start":"19:46","end":"21:17","startHours":19.76114444122259,"endHours":21.29022016137701,"quality":"neutral"},{"name":"Labha","start":"21:17","end":"22:49","startHours":21.29022016137701,"endHours":22.819295881531435,"quality":"auspicious"},{"name":"Amṛta","start":"22:49","end":"00:21","startHours":22.819295881531435,"endHours":24.348371601685855,"quality":"auspicious"},{"name":"Kāla","start":"00:21","end":"01:53","startHours":24.348371601685855,"endHours":25.87744732184028,"quality":"inauspicious"},{"name":"Śubha","start":"01:53","end":"03:24","startHours":25.87744732184028,"endHours":27.406523041994703,"quality":"auspicious"},{"name":"Roga","start":"03:24","end":"04:56","startHours":27.406523041994703,"endHours":28.935598762149127,"quality":"inauspicious"},{"name":"Udveg","start":"04:56","end":"06:28","startHours":28.935598762149127,"endHours":30.464674482303547,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.464674482303548,"endHours":7.464674482303548,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.464674482303548,"endHours":8.464674482303547,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.464674482303547,"endHours":9.464674482303547,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.464674482303547,"endHours":10.464674482303547,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.464674482303547,"endHours":11.464674482303547,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.464674482303547,"endHours":12.464674482303547,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.464674482303547,"endHours":13.464674482303547,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.464674482303547,"endHours":14.464674482303547,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.464674482303547,"endHours":15.464674482303547,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.464674482303547,"endHours":16.464674482303547,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.464674482303547,"endHours":17.464674482303547,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.464674482303547,"endHours":18.464674482303547,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.464674482303547,"endHours":19.464674482303547,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.464674482303547,"endHours":20.464674482303547,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.464674482303547,"endHours":21.464674482303547,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.464674482303547,"endHours":22.464674482303547,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.464674482303547,"endHours":23.464674482303547,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.464674482303547,"endHours":24.464674482303547,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.464674482303547,"endHours":25.464674482303547,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.464674482303547,"endHours":26.464674482303547,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.464674482303547,"endHours":27.464674482303547,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.464674482303547,"endHours":28.464674482303547,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.464674482303547,"endHours":29.464674482303547,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.464674482303547,"endHours":30.464674482303547,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":4.366961450158514,"eotMinutes":-4.344296101151456,"ayanamsa":22.3338}},"calendars":{"vikram_samvat":1948,"vikram_samvatsara":"Krodhi","saka_samvat":1813,"saka_samvatsara":"Khara","bengali_samvat":1298,"malayalam_era":1067,"nanakshahi_year":422,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Saptamī · Vikram 1948 Krodhi · Śaka 1813 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 April 1, 1891 CE · Perth, Australia · Vidhyamitra","description":"April 1, 1891 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 06:28, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1891-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1891-04-01","sa":"https://sa.vidhyamitra.com/city/perth/1891-04-01","hi":"https://hi.vidhyamitra.com/city/perth/1891-04-01","x-default":"https://vidhyamitra.com/city/perth/1891-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:55:47.934Z","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":"2026-05-31T00:55:47.934Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:55:47.934Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}