{"id":"vidhyamitra:city-day:perth:2101-07-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2101-07-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-07-24","date_display":"July 24, 2101 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":2101,"month":7,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488638.770833,"kali_year":5203,"ahargana":1900173.2708,"sun":{"sidereal_longitude":95.0842,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":69.2057,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.1215,"elapsed_within_tithi_degrees":10.1215},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.2057,"elapsed_within_degrees":2.5391},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.29},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2101,"month":7,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488638.770833,"ahargana":1900173.2708,"kali_year":5203,"ayanamsa_lahiri":25.2717,"grahas":{"sun":{"sidereal_longitude":95.805656,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":70.85855600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":3.4694},"mars":{"sidereal_longitude":17.417056000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":102.88975600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":197.61615600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":130.382156,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":185.72475599999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":299.6758,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":119.6758,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2101,"month":7,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488638.770833,"kali_year":5203,"ahargana":1900173.2708,"sun":{"sidereal_longitude":95.0842,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":69.2057,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.1215,"elapsed_within_tithi_degrees":10.1215},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.2057,"elapsed_within_degrees":2.5391},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.29},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.469,"elongation":25.878},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.469,"opposition_distance":154.122}},"eclipse_window_40days":[{"offset_days":16,"type":"lunar","occurs":true,"moon_latitude":-0.866,"opposition_distance":2.572}]},"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":"07:11","sunsetLocal":"17:35","solarNoonLocal":"12:23","dayLengthHours":10.401329541622406,"dayLengthDisplay":"10 Hours 24 Mins 05 Secs","nightLengthDisplay":"13 Hours 35 Mins 55 Secs","moonriseLocal":"05:42","moonsetLocal":"15:44","rahuKala":{"name":"Rāhu Kāla","start":"16:17","end":"17:35","startHours":16.279134744627044,"endHours":17.579300937329844,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:23","end":"13:41","startHours":12.378636166518643,"endHours":13.678802359221443,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:59","end":"16:17","startHours":14.978968551924243,"endHours":16.279134744627044,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.604948288752666,"endHours":9.951659273473414,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:53","startHours":7.611360126608372,"endHours":7.88872891438497,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.031925181797893,"endHours":12.725347151239388,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:29","startHours":5.7911274568244515,"endHours":6.484549426265945,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:11","startHours":6.311193933905572,"endHours":7.177971395707439,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:48","startHours":14.112191090122376,"endHours":14.80561305956387,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.379300937329845,"endHours":17.779300937329843,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:01","startHours":17.579300937329844,"endHours":18.012689668230777,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.329300937329844,"endHours":19.079300937329844,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.03192518179789,"endHours":24.725347151239387,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:11","end":"08:29","startHours":7.177971395707439,"endHours":8.47813758841024,"quality":"inauspicious"},{"name":"Chala","start":"08:29","end":"09:47","startHours":8.47813758841024,"endHours":9.77830378111304,"quality":"neutral"},{"name":"Labha","start":"09:47","end":"11:05","startHours":9.77830378111304,"endHours":11.07846997381584,"quality":"auspicious"},{"name":"Amṛta","start":"11:05","end":"12:23","startHours":11.07846997381584,"endHours":12.378636166518643,"quality":"auspicious"},{"name":"Kāla","start":"12:23","end":"13:41","startHours":12.378636166518643,"endHours":13.678802359221443,"quality":"inauspicious"},{"name":"Śubha","start":"13:41","end":"14:59","startHours":13.678802359221443,"endHours":14.978968551924243,"quality":"auspicious"},{"name":"Roga","start":"14:59","end":"16:17","startHours":14.978968551924243,"endHours":16.279134744627044,"quality":"inauspicious"},{"name":"Udveg","start":"16:17","end":"17:35","startHours":16.279134744627044,"endHours":17.579300937329844,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:35","end":"19:17","startHours":17.579300937329844,"endHours":19.279134744627044,"quality":"auspicious"},{"name":"Roga","start":"19:17","end":"20:59","startHours":19.279134744627044,"endHours":20.978968551924243,"quality":"inauspicious"},{"name":"Udveg","start":"20:59","end":"22:41","startHours":20.978968551924243,"endHours":22.678802359221443,"quality":"inauspicious"},{"name":"Chala","start":"22:41","end":"00:23","startHours":22.678802359221443,"endHours":24.37863616651864,"quality":"neutral"},{"name":"Labha","start":"00:23","end":"02:05","startHours":24.37863616651864,"endHours":26.078469973815842,"quality":"auspicious"},{"name":"Amṛta","start":"02:05","end":"03:47","startHours":26.078469973815842,"endHours":27.77830378111304,"quality":"auspicious"},{"name":"Kāla","start":"03:47","end":"05:29","startHours":27.77830378111304,"endHours":29.478137588410238,"quality":"inauspicious"},{"name":"Śubha","start":"05:29","end":"07:11","startHours":29.478137588410238,"endHours":31.177971395707438,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.177971395707439,"endHours":8.177971395707438,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.177971395707438,"endHours":9.177971395707438,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.177971395707438,"endHours":10.177971395707438,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.177971395707438,"endHours":11.177971395707438,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.177971395707438,"endHours":12.177971395707438,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.177971395707438,"endHours":13.177971395707438,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.177971395707438,"endHours":14.177971395707438,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.177971395707438,"endHours":15.177971395707438,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.177971395707438,"endHours":16.177971395707438,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.177971395707438,"endHours":17.177971395707438,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.177971395707438,"endHours":18.177971395707438,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.177971395707438,"endHours":19.177971395707438,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.177971395707438,"endHours":20.177971395707438,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.177971395707438,"endHours":21.177971395707438,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.177971395707438,"endHours":22.177971395707438,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.177971395707438,"endHours":23.177971395707438,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.177971395707438,"endHours":24.177971395707438,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.177971395707438,"endHours":25.177971395707438,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.177971395707438,"endHours":26.177971395707438,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.177971395707438,"endHours":27.177971395707438,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.177971395707438,"endHours":28.177971395707438,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.177971395707438,"endHours":29.177971395707438,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.177971395707438,"endHours":30.177971395707438,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.177971395707438,"endHours":31.177971395707438,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","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":19.91626001496318,"eotMinutes":-6.160169991118456,"ayanamsa":25.2717}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"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 Trayodaśī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 24, 2101 CE · Perth, Australia · Vidhyamitra","description":"July 24, 2101 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 07:11, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2101-07-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2101-07-24","sa":"https://sa.vidhyamitra.com/city/perth/2101-07-24","hi":"https://hi.vidhyamitra.com/city/perth/2101-07-24","x-default":"https://vidhyamitra.com/city/perth/2101-07-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:22:01.810Z","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":"2026-05-31T14:22:01.810Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:22:01.810Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}