{"id":"vidhyamitra:city-day:perth:1897-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1897-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1897-07-21","date_display":"July 21, 1897 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":1897,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414126.770833,"kali_year":4999,"ahargana":1825661.2708,"sun":{"sidereal_longitude":95.83,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":358.808,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.978,"elapsed_within_tithi_degrees":10.978},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.808,"elapsed_within_degrees":12.1413},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.638},"karana":{"half_tithi_index":43,"name":"Bava"},"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":1897,"month":7,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2414126.770833,"ahargana":1825661.2708,"kali_year":4999,"ayanamsa_lahiri":22.4219,"grahas":{"sun":{"sidereal_longitude":96.06326200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":359.511362,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":4.2576},"mars":{"sidereal_longitude":136.612462,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":103.321662,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":137.79166199999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":52.326862000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":212.85736199999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":287.6802,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":107.6802,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1897,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2414126.770833,"kali_year":4999,"ahargana":1825661.2708,"sun":{"sidereal_longitude":95.83,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":358.808,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.978,"elapsed_within_tithi_degrees":10.978},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.808,"elapsed_within_degrees":12.1413},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.638},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.258,"elongation":97.022},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.258,"opposition_distance":82.978}},"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":"07:12","sunsetLocal":"17:33","solarNoonLocal":"12:23","dayLengthHours":10.349140190735127,"dayLengthDisplay":"10 Hours 20 Mins 57 Secs","nightLengthDisplay":"13 Hours 39 Mins 03 Secs","moonriseLocal":"00:15","moonsetLocal":"11:38","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:40","startHours":12.376796723921398,"endHours":13.670439247763287,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:30","end":"09:47","startHours":8.495869152395723,"endHours":9.789511676237616,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:05","end":"12:23","startHours":11.083154200079505,"endHours":12.376796723921398,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:58","startHours":9.617026006392031,"endHours":9.961997346083201,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.633440803167797,"endHours":7.9094178749207344,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.031825384230228,"endHours":12.721768063612569,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:49","end":"06:31","startHours":5.82234126978915,"endHours":6.512283949171492,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:12","startHours":6.3397982793259064,"endHours":7.202226628553833,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:47","startHours":14.101653422377252,"endHours":14.791596101759595,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:21","end":"17:45","startHours":17.351366819288963,"endHours":17.75136681928896,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:33","end":"17:59","startHours":17.551366819288962,"endHours":17.982580993902925,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:18","end":"19:03","startHours":17.301366819288962,"endHours":19.051366819288962,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.031825384230228,"endHours":24.72176806361257,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:12","end":"08:30","startHours":7.202226628553833,"endHours":8.495869152395723,"quality":"auspicious"},{"name":"Amṛta","start":"08:30","end":"09:47","startHours":8.495869152395723,"endHours":9.789511676237616,"quality":"auspicious"},{"name":"Kāla","start":"09:47","end":"11:05","startHours":9.789511676237616,"endHours":11.083154200079505,"quality":"inauspicious"},{"name":"Śubha","start":"11:05","end":"12:23","startHours":11.083154200079505,"endHours":12.376796723921398,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:40","startHours":12.376796723921398,"endHours":13.670439247763287,"quality":"inauspicious"},{"name":"Udveg","start":"13:40","end":"14:58","startHours":13.670439247763287,"endHours":14.96408177160518,"quality":"inauspicious"},{"name":"Chala","start":"14:58","end":"16:15","startHours":14.96408177160518,"endHours":16.25772429544707,"quality":"neutral"},{"name":"Labha","start":"16:15","end":"17:33","startHours":16.25772429544707,"endHours":17.551366819288962,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:33","end":"19:15","startHours":17.551366819288962,"endHours":19.25772429544707,"quality":"inauspicious"},{"name":"Chala","start":"19:15","end":"20:58","startHours":19.25772429544707,"endHours":20.96408177160518,"quality":"neutral"},{"name":"Labha","start":"20:58","end":"22:40","startHours":20.96408177160518,"endHours":22.67043924776329,"quality":"auspicious"},{"name":"Amṛta","start":"22:40","end":"00:23","startHours":22.67043924776329,"endHours":24.376796723921398,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:05","startHours":24.376796723921398,"endHours":26.083154200079505,"quality":"inauspicious"},{"name":"Śubha","start":"02:05","end":"03:47","startHours":26.083154200079505,"endHours":27.789511676237616,"quality":"auspicious"},{"name":"Roga","start":"03:47","end":"05:30","startHours":27.789511676237616,"endHours":29.495869152395727,"quality":"inauspicious"},{"name":"Udveg","start":"05:30","end":"07:12","startHours":29.495869152395727,"endHours":31.202226628553834,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.202226628553833,"endHours":8.202226628553834,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.202226628553834,"endHours":9.202226628553834,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.202226628553834,"endHours":10.202226628553834,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.202226628553834,"endHours":11.202226628553834,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.202226628553834,"endHours":12.202226628553834,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.202226628553834,"endHours":13.202226628553834,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.202226628553834,"endHours":14.202226628553834,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.202226628553834,"endHours":15.202226628553834,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.202226628553834,"endHours":16.202226628553834,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.202226628553834,"endHours":17.202226628553834,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.202226628553834,"endHours":18.202226628553834,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.202226628553834,"endHours":19.202226628553834,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.202226628553834,"endHours":20.202226628553834,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.202226628553834,"endHours":21.202226628553834,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.202226628553834,"endHours":22.202226628553834,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.202226628553834,"endHours":23.202226628553834,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.202226628553834,"endHours":24.202226628553834,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.202226628553834,"endHours":25.202226628553834,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.202226628553834,"endHours":26.202226628553834,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.202226628553834,"endHours":27.202226628553834,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.202226628553834,"endHours":28.202226628553834,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.202226628553834,"endHours":29.202226628553834,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.202226628553834,"endHours":30.202226628553834,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.202226628553834,"endHours":31.202226628553834,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.46182569455543,"eotMinutes":-6.049803435283957,"ayanamsa":22.4219}},"calendars":{"vikram_samvat":1954,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1819,"saka_samvatsara":"Hemalambī","bengali_samvat":1304,"malayalam_era":1073,"nanakshahi_year":428,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Saptamī · Vikram 1954 Sādhāraṇa · Śaka 1819 Hemalambī"},"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 July 21, 1897 CE · Perth, Australia · Vidhyamitra","description":"July 21, 1897 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 07:12, sūryāsta 17:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1897-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1897-07-21","sa":"https://sa.vidhyamitra.com/city/perth/1897-07-21","hi":"https://hi.vidhyamitra.com/city/perth/1897-07-21","x-default":"https://vidhyamitra.com/city/perth/1897-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:12:21.985Z","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":"2026-06-03T07:12:21.985Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:12:21.985Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}