{"id":"vidhyamitra:city-day:perth:2168-09-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2168-09-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2168-09-30","date_display":"September 30, 2168 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":2168,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513178.770833,"kali_year":5270,"ahargana":1924713.2708,"sun":{"sidereal_longitude":160.1559,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":144.696,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.54,"elapsed_within_tithi_degrees":8.54},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.696,"elapsed_within_degrees":11.3626},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.8519},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2168,"month":9,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513178.770833,"ahargana":1924713.2708,"kali_year":5270,"ayanamsa_lahiri":26.2103,"grahas":{"sun":{"sidereal_longitude":161.31034699999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":144.01804700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":4.0865},"mars":{"sidereal_longitude":194.13284700000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":147.31404700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":103.62584700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":198.89884699999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":278.23344700000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":79.4285,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.4285,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2168,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513178.770833,"kali_year":5270,"ahargana":1924713.2708,"sun":{"sidereal_longitude":160.1559,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":144.696,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.54,"elapsed_within_tithi_degrees":8.54},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.696,"elapsed_within_degrees":11.3626},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.8519},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.086,"elongation":15.46},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.086,"opposition_distance":164.54}},"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":"05:54","sunsetLocal":"18:17","solarNoonLocal":"12:06","dayLengthHours":12.379585346092458,"dayLengthDisplay":"12 Hours 22 Mins 47 Secs","nightLengthDisplay":"11 Hours 37 Mins 13 Secs","moonriseLocal":"05:03","moonsetLocal":"16:50","rahuKala":{"name":"Rāhu Kāla","start":"10:33","end":"12:06","startHours":10.54777389315535,"endHours":12.095222061416907,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:11","end":"16:44","startHours":15.190118397940022,"endHours":16.73756656620158,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:27","end":"09:00","startHours":7.4528775566322345,"endHours":9.000325724893791,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:12","startHours":8.793999302458918,"endHours":9.206652147328667,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:45","startHours":6.421245444457863,"endHours":6.751367720353662,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:30","startHours":11.682569216547158,"endHours":12.507874906286656,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:05","startHours":4.254818008891683,"endHours":5.08012369863118,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:54","startHours":4.873797276196306,"endHours":5.905429388370678,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:59","startHours":14.158486285765651,"endHours":14.983791975505149,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.085014734463137,"endHours":18.485014734463135,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:48","startHours":18.285014734463136,"endHours":18.80083079055032,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.035014734463136,"endHours":19.785014734463136,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:30","startHours":23.682569216547158,"endHours":24.507874906286652,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:54","end":"07:27","startHours":5.905429388370678,"endHours":7.4528775566322345,"quality":"neutral"},{"name":"Labha","start":"07:27","end":"09:00","startHours":7.4528775566322345,"endHours":9.000325724893791,"quality":"auspicious"},{"name":"Amṛta","start":"09:00","end":"10:33","startHours":9.000325724893791,"endHours":10.54777389315535,"quality":"auspicious"},{"name":"Kāla","start":"10:33","end":"12:06","startHours":10.54777389315535,"endHours":12.095222061416907,"quality":"inauspicious"},{"name":"Śubha","start":"12:06","end":"13:39","startHours":12.095222061416907,"endHours":13.642670229678464,"quality":"auspicious"},{"name":"Roga","start":"13:39","end":"15:11","startHours":13.642670229678464,"endHours":15.190118397940022,"quality":"inauspicious"},{"name":"Udveg","start":"15:11","end":"16:44","startHours":15.190118397940022,"endHours":16.73756656620158,"quality":"inauspicious"},{"name":"Chala","start":"16:44","end":"18:17","startHours":16.73756656620158,"endHours":18.285014734463136,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:17","end":"19:44","startHours":18.285014734463136,"endHours":19.73756656620158,"quality":"inauspicious"},{"name":"Udveg","start":"19:44","end":"21:11","startHours":19.73756656620158,"endHours":21.190118397940022,"quality":"inauspicious"},{"name":"Chala","start":"21:11","end":"22:39","startHours":21.190118397940022,"endHours":22.642670229678465,"quality":"neutral"},{"name":"Labha","start":"22:39","end":"00:06","startHours":22.642670229678465,"endHours":24.095222061416905,"quality":"auspicious"},{"name":"Amṛta","start":"00:06","end":"01:33","startHours":24.095222061416905,"endHours":25.54777389315535,"quality":"auspicious"},{"name":"Kāla","start":"01:33","end":"03:00","startHours":25.54777389315535,"endHours":27.00032572489379,"quality":"inauspicious"},{"name":"Śubha","start":"03:00","end":"04:27","startHours":27.00032572489379,"endHours":28.452877556632235,"quality":"auspicious"},{"name":"Roga","start":"04:27","end":"05:54","startHours":28.452877556632235,"endHours":29.905429388370678,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.905429388370678,"endHours":6.905429388370678,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.905429388370678,"endHours":7.905429388370678,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.905429388370678,"endHours":8.905429388370678,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.905429388370678,"endHours":9.905429388370678,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.905429388370678,"endHours":10.905429388370678,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.905429388370678,"endHours":11.905429388370678,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.905429388370678,"endHours":12.905429388370678,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.905429388370678,"endHours":13.905429388370678,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.905429388370678,"endHours":14.905429388370678,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.905429388370678,"endHours":15.905429388370678,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.905429388370678,"endHours":16.905429388370678,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.905429388370678,"endHours":17.905429388370678,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.905429388370678,"endHours":18.905429388370678,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.905429388370678,"endHours":19.905429388370678,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.905429388370678,"endHours":20.905429388370678,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.905429388370678,"endHours":21.905429388370678,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.905429388370678,"endHours":22.905429388370678,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.905429388370678,"endHours":23.905429388370678,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.905429388370678,"endHours":24.905429388370678,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.905429388370678,"endHours":25.905429388370678,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.905429388370678,"endHours":26.905429388370678,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.905429388370678,"endHours":27.905429388370678,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.905429388370678,"endHours":28.905429388370678,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.905429388370678,"endHours":29.905429388370678,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-2.9839722325786058,"eotMinutes":10.844676314985584,"ayanamsa":26.2103}},"calendars":{"vikram_samvat":2225,"vikram_samvatsara":"Vṛṣa","saka_samvat":2090,"saka_samvatsara":"Vibhava","bengali_samvat":1575,"malayalam_era":1344,"nanakshahi_year":699,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturdaśī · Vikram 2225 Vṛṣa · Śaka 2090 Vibhava"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 September 30, 2168 CE · Perth, Australia · Vidhyamitra","description":"September 30, 2168 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 05:54, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2168-09-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2168-09-30","sa":"https://sa.vidhyamitra.com/city/perth/2168-09-30","hi":"https://hi.vidhyamitra.com/city/perth/2168-09-30","x-default":"https://vidhyamitra.com/city/perth/2168-09-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T20:35:05.506Z","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":"2026-06-02T20:35:05.506Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T20:35:05.506Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}