{"id":"vidhyamitra:city-day:perth:1875-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1875-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1875-05-15","date_display":"May 15, 1875 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":1875,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406023.770833,"kali_year":4977,"ahargana":1817558.2708,"sun":{"sidereal_longitude":31.9344,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":150.9961,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":119.0617,"elapsed_within_tithi_degrees":11.0617},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.9961,"elapsed_within_degrees":4.3294},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.9305},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1875,"month":5,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406023.770833,"ahargana":1817558.2708,"kali_year":4977,"ayanamsa_lahiri":22.112,"grahas":{"sun":{"sidereal_longitude":31.668656,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":153.341456,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":1.9724},"mars":{"sidereal_longitude":254.01095599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":40.292956000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":182.74475600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":359.402656,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":304.67955600000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":357.0161,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":177.0161,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":1875,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406023.770833,"kali_year":4977,"ahargana":1817558.2708,"sun":{"sidereal_longitude":31.9344,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":150.9961,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":119.0617,"elapsed_within_tithi_degrees":11.0617},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.9961,"elapsed_within_degrees":4.3294},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.9305},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.972,"elongation":119.062},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.972,"opposition_distance":60.938}},"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":"06:57","sunsetLocal":"17:28","solarNoonLocal":"12:13","dayLengthHours":10.514704151325844,"dayLengthDisplay":"10 Hours 30 Mins 53 Secs","nightLengthDisplay":"13 Hours 29 Mins 07 Secs","moonriseLocal":"14:21","moonsetLocal":"02:18","rahuKala":{"name":"Rāhu Kāla","start":"09:35","end":"10:54","startHours":9.584687279903104,"endHours":10.899025298818835,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:32","end":"14:51","startHours":13.527701336650296,"endHours":14.842039355566026,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:57","end":"08:16","startHours":6.956011242071643,"endHours":8.270349260987373,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.409442210714339,"endHours":9.759932349091867,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:40","startHours":7.394123915043553,"endHours":7.674516025745576,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.862873179357036,"endHours":12.563853456112094,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:15","startHours":5.554050688561531,"endHours":6.255030965316586,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"06:57","startHours":6.079785896127823,"endHours":6.956011242071643,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.965814009622205,"endHours":14.666794286377261,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.270715393397488,"endHours":17.670715393397487,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:55","startHours":17.470715393397487,"endHours":17.9088280663694,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.220715393397487,"endHours":18.970715393397487,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.862873179357038,"endHours":24.563853456112092,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:57","end":"08:16","startHours":6.956011242071643,"endHours":8.270349260987373,"quality":"inauspicious"},{"name":"Śubha","start":"08:16","end":"09:35","startHours":8.270349260987373,"endHours":9.584687279903104,"quality":"auspicious"},{"name":"Roga","start":"09:35","end":"10:54","startHours":9.584687279903104,"endHours":10.899025298818835,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:13","startHours":10.899025298818835,"endHours":12.213363317734565,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:32","startHours":12.213363317734565,"endHours":13.527701336650296,"quality":"neutral"},{"name":"Labha","start":"13:32","end":"14:51","startHours":13.527701336650296,"endHours":14.842039355566026,"quality":"auspicious"},{"name":"Amṛta","start":"14:51","end":"16:09","startHours":14.842039355566026,"endHours":16.156377374481757,"quality":"auspicious"},{"name":"Kāla","start":"16:09","end":"17:28","startHours":16.156377374481757,"endHours":17.470715393397487,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:09","startHours":17.470715393397487,"endHours":19.156377374481757,"quality":"auspicious"},{"name":"Amṛta","start":"19:09","end":"20:51","startHours":19.156377374481757,"endHours":20.842039355566026,"quality":"auspicious"},{"name":"Kāla","start":"20:51","end":"22:32","startHours":20.842039355566026,"endHours":22.527701336650296,"quality":"inauspicious"},{"name":"Śubha","start":"22:32","end":"00:13","startHours":22.527701336650296,"endHours":24.213363317734565,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:54","startHours":24.213363317734565,"endHours":25.899025298818835,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:35","startHours":25.899025298818835,"endHours":27.584687279903104,"quality":"inauspicious"},{"name":"Chala","start":"03:35","end":"05:16","startHours":27.584687279903104,"endHours":29.270349260987373,"quality":"neutral"},{"name":"Labha","start":"05:16","end":"06:57","startHours":29.270349260987373,"endHours":30.956011242071643,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:57","end":"07:57","startHours":6.956011242071643,"endHours":7.956011242071643,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:57","end":"08:57","startHours":7.956011242071643,"endHours":8.956011242071643,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:57","end":"09:57","startHours":8.956011242071643,"endHours":9.956011242071643,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:57","end":"10:57","startHours":9.956011242071643,"endHours":10.956011242071643,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:57","end":"11:57","startHours":10.956011242071643,"endHours":11.956011242071643,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:57","end":"12:57","startHours":11.956011242071643,"endHours":12.956011242071643,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:57","end":"13:57","startHours":12.956011242071643,"endHours":13.956011242071643,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:57","end":"14:57","startHours":13.956011242071643,"endHours":14.956011242071643,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:57","end":"15:57","startHours":14.956011242071643,"endHours":15.956011242071643,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:57","end":"16:57","startHours":15.956011242071643,"endHours":16.956011242071643,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:57","end":"17:57","startHours":16.956011242071643,"endHours":17.956011242071643,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:57","end":"18:57","startHours":17.956011242071643,"endHours":18.956011242071643,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:57","end":"19:57","startHours":18.956011242071643,"endHours":19.956011242071643,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:57","end":"20:57","startHours":19.956011242071643,"endHours":20.956011242071643,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:57","end":"21:57","startHours":20.956011242071643,"endHours":21.956011242071643,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:57","end":"22:57","startHours":21.956011242071643,"endHours":22.956011242071643,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:57","end":"23:57","startHours":22.956011242071643,"endHours":23.956011242071643,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:57","end":"00:57","startHours":23.956011242071643,"endHours":24.956011242071643,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:57","end":"01:57","startHours":24.956011242071643,"endHours":25.956011242071643,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:57","end":"02:57","startHours":25.956011242071643,"endHours":26.956011242071643,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:57","end":"03:57","startHours":26.956011242071643,"endHours":27.956011242071643,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:57","end":"04:57","startHours":27.956011242071643,"endHours":28.956011242071643,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:57","end":"05:57","startHours":28.956011242071643,"endHours":29.956011242071643,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:57","end":"06:57","startHours":29.956011242071643,"endHours":30.956011242071643,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.715848551005728,"eotMinutes":3.7562009359260493,"ayanamsa":22.112}},"calendars":{"vikram_samvat":1932,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1797,"saka_samvatsara":"Yuva","bengali_samvat":1282,"malayalam_era":1051,"nanakshahi_year":406,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Daśamī · Vikram 1932 Sarvadhāri · Śaka 1797 Yuva"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 May 15, 1875 CE · Perth, Australia · Vidhyamitra","description":"May 15, 1875 CE for Perth, Australia: Śukla Daśamī, sūryodaya 06:57, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1875-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1875-05-15","sa":"https://sa.vidhyamitra.com/city/perth/1875-05-15","hi":"https://hi.vidhyamitra.com/city/perth/1875-05-15","x-default":"https://vidhyamitra.com/city/perth/1875-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:19:45.922Z","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":"2026-05-31T00:19:45.922Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:19:45.922Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}