{"id":"vidhyamitra:city-day:perth:1926-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1926-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1926-07-31","date_display":"July 31, 1926 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":1926,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424727.770833,"kali_year":5028,"ahargana":1836262.2708,"sun":{"sidereal_longitude":103.8965,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":0.9947,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.0981,"elapsed_within_tithi_degrees":5.0981},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.9947,"elapsed_within_degrees":0.9947},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.8912},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":1926,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424727.770833,"ahargana":1836262.2708,"kali_year":5028,"ayanamsa_lahiri":22.8273,"grahas":{"sun":{"sidereal_longitude":104.252026,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":4.343426000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-4.4828},"mars":{"sidereal_longitude":7.400225999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":117.82962600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":302.933126,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":76.28612600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":206.89182600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":85.9882,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":265.9882,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1926,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424727.770833,"kali_year":5028,"ahargana":1836262.2708,"sun":{"sidereal_longitude":103.8965,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":0.9947,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":257.0981,"elapsed_within_tithi_degrees":5.0981},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.9947,"elapsed_within_degrees":0.9947},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.8912},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.483,"elongation":102.902},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.483,"opposition_distance":77.098}},"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":"07:07","sunsetLocal":"17:39","solarNoonLocal":"12:23","dayLengthHours":10.534848959507926,"dayLengthDisplay":"10 Hours 32 Mins 05 Secs","nightLengthDisplay":"13 Hours 27 Mins 55 Secs","moonriseLocal":"00:07","moonsetLocal":"11:19","rahuKala":{"name":"Rāhu Kāla","start":"09:45","end":"11:04","startHours":9.743444001995531,"endHours":11.06030012193402,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:01","startHours":13.694012361811001,"endHours":15.010868481749494,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:07","end":"08:26","startHours":7.109731762118549,"endHours":8.426587882057039,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.56786318600373,"endHours":9.919024817987328,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.548683802098045,"endHours":7.829613107684923,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.025994609888915,"endHours":12.72831787385611,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:24","startHours":5.705085234184159,"endHours":6.407408498151353,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:07","startHours":6.231827682159555,"endHours":7.109731762118549,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:50","startHours":14.132964401790499,"endHours":14.835287665757694,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.444580721626476,"endHours":17.844580721626475,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:05","startHours":17.644580721626475,"endHours":18.083532761605973,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.394580721626475,"endHours":19.144580721626475,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.025994609888915,"endHours":24.72831787385611,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:07","end":"08:26","startHours":7.109731762118549,"endHours":8.426587882057039,"quality":"inauspicious"},{"name":"Śubha","start":"08:26","end":"09:45","startHours":8.426587882057039,"endHours":9.743444001995531,"quality":"auspicious"},{"name":"Roga","start":"09:45","end":"11:04","startHours":9.743444001995531,"endHours":11.06030012193402,"quality":"inauspicious"},{"name":"Udveg","start":"11:04","end":"12:23","startHours":11.06030012193402,"endHours":12.377156241872513,"quality":"inauspicious"},{"name":"Chala","start":"12:23","end":"13:42","startHours":12.377156241872513,"endHours":13.694012361811001,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:01","startHours":13.694012361811001,"endHours":15.010868481749494,"quality":"auspicious"},{"name":"Amṛta","start":"15:01","end":"16:20","startHours":15.010868481749494,"endHours":16.327724601687983,"quality":"auspicious"},{"name":"Kāla","start":"16:20","end":"17:39","startHours":16.327724601687983,"endHours":17.644580721626475,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:39","end":"19:20","startHours":17.644580721626475,"endHours":19.327724601687983,"quality":"auspicious"},{"name":"Amṛta","start":"19:20","end":"21:01","startHours":19.327724601687983,"endHours":21.010868481749494,"quality":"auspicious"},{"name":"Kāla","start":"21:01","end":"22:42","startHours":21.010868481749494,"endHours":22.694012361811005,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:23","startHours":22.694012361811005,"endHours":24.377156241872513,"quality":"auspicious"},{"name":"Roga","start":"00:23","end":"02:04","startHours":24.377156241872513,"endHours":26.06030012193402,"quality":"inauspicious"},{"name":"Udveg","start":"02:04","end":"03:45","startHours":26.06030012193402,"endHours":27.74344400199553,"quality":"inauspicious"},{"name":"Chala","start":"03:45","end":"05:26","startHours":27.74344400199553,"endHours":29.426587882057042,"quality":"neutral"},{"name":"Labha","start":"05:26","end":"07:07","startHours":29.426587882057042,"endHours":31.10973176211855,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.109731762118549,"endHours":8.10973176211855,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.10973176211855,"endHours":9.10973176211855,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.10973176211855,"endHours":10.10973176211855,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.10973176211855,"endHours":11.10973176211855,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.10973176211855,"endHours":12.10973176211855,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.10973176211855,"endHours":13.10973176211855,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.10973176211855,"endHours":14.10973176211855,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.10973176211855,"endHours":15.10973176211855,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.10973176211855,"endHours":16.10973176211855,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.10973176211855,"endHours":17.10973176211855,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.10973176211855,"endHours":18.10973176211855,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.10973176211855,"endHours":19.10973176211855,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.10973176211855,"endHours":20.10973176211855,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.10973176211855,"endHours":21.10973176211855,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.10973176211855,"endHours":22.10973176211855,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.10973176211855,"endHours":23.10973176211855,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.10973176211855,"endHours":24.10973176211855,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.10973176211855,"endHours":25.10973176211855,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.10973176211855,"endHours":26.10973176211855,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.10973176211855,"endHours":27.10973176211855,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.10973176211855,"endHours":28.10973176211855,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.10973176211855,"endHours":29.10973176211855,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.10973176211855,"endHours":30.10973176211855,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.10973176211855,"endHours":31.10973176211855,"planetary_lord":"Mercury"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.50041751653284,"eotMinutes":-6.071374512350812,"ayanamsa":22.8273}},"calendars":{"vikram_samvat":1983,"vikram_samvatsara":"Pramāthi","saka_samvat":1848,"saka_samvatsara":"Akṣaya","bengali_samvat":1333,"malayalam_era":1102,"nanakshahi_year":457,"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 1983 Pramāthi · Śaka 1848 Akṣaya"},"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 31, 1926 CE · Perth, Australia · Vidhyamitra","description":"July 31, 1926 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 07:07, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1926-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1926-07-31","sa":"https://sa.vidhyamitra.com/city/perth/1926-07-31","hi":"https://hi.vidhyamitra.com/city/perth/1926-07-31","x-default":"https://vidhyamitra.com/city/perth/1926-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:15:00.362Z","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":"2026-06-02T15:15:00.362Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:15:00.362Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}