{"id":"vidhyamitra:city-day:perth:2170-09-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2170-09-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-09-30","date_display":"September 30, 2170 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":2170,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513908.770833,"kali_year":5272,"ahargana":1925443.2708,"sun":{"sidereal_longitude":159.6485,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":36.5457,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":236.8973,"elapsed_within_tithi_degrees":8.8973},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":36.5457,"elapsed_within_degrees":9.8791},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.1942},"karana":{"half_tithi_index":39,"name":"Taitila"},"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":2170,"month":9,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513908.770833,"ahargana":1925443.2708,"kali_year":5272,"ayanamsa_lahiri":26.2382,"grahas":{"sun":{"sidereal_longitude":160.807056,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":33.63755600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-0.3295},"mars":{"sidereal_longitude":208.350956,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":173.63795600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":152.570156,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":132.59605599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":302.6800559999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":40.7496,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":220.7496,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"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":2170,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513908.770833,"kali_year":5272,"ahargana":1925443.2708,"sun":{"sidereal_longitude":159.6485,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":36.5457,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":236.8973,"elapsed_within_tithi_degrees":8.8973},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":36.5457,"elapsed_within_degrees":9.8791},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.1942},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.33,"elongation":123.103},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.33,"opposition_distance":56.897}},"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":"05:55","sunsetLocal":"18:17","solarNoonLocal":"12:06","dayLengthHours":12.363889316288397,"dayLengthDisplay":"12 Hours 21 Mins 50 Secs","nightLengthDisplay":"11 Hours 38 Mins 10 Secs","moonriseLocal":"22:27","moonsetLocal":"08:47","rahuKala":{"name":"Rāhu Kāla","start":"16:44","end":"18:17","startHours":16.731680555025058,"endHours":18.277166719561105,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:06","end":"13:38","startHours":12.095222061416909,"endHours":13.640708225952956,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:11","end":"16:44","startHours":15.186194390489007,"endHours":16.731680555025058,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:13","startHours":8.798184910406668,"endHours":9.210314554282949,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:26","end":"06:45","startHours":6.428439458118059,"endHours":6.758143173219083,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:30","startHours":11.683092417540626,"endHours":12.507351705293187,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:05","startHours":4.26475882776759,"endHours":5.089018115520149,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:55","startHours":4.88295329358201,"endHours":5.913277403272709,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.155870280798307,"endHours":14.980129568550867,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.077166719561106,"endHours":18.477166719561104,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:48","startHours":18.277166719561105,"endHours":18.792328774406457,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.027166719561105,"endHours":19.777166719561105,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:30","startHours":23.683092417540625,"endHours":24.507351705293186,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:55","end":"07:28","startHours":5.913277403272709,"endHours":7.458763567808759,"quality":"inauspicious"},{"name":"Chala","start":"07:28","end":"09:00","startHours":7.458763567808759,"endHours":9.004249732344809,"quality":"neutral"},{"name":"Labha","start":"09:00","end":"10:33","startHours":9.004249732344809,"endHours":10.549735896880858,"quality":"auspicious"},{"name":"Amṛta","start":"10:33","end":"12:06","startHours":10.549735896880858,"endHours":12.095222061416909,"quality":"auspicious"},{"name":"Kāla","start":"12:06","end":"13:38","startHours":12.095222061416909,"endHours":13.640708225952956,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:11","startHours":13.640708225952956,"endHours":15.186194390489007,"quality":"auspicious"},{"name":"Roga","start":"15:11","end":"16:44","startHours":15.186194390489007,"endHours":16.731680555025058,"quality":"inauspicious"},{"name":"Udveg","start":"16:44","end":"18:17","startHours":16.731680555025058,"endHours":18.277166719561105,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:17","end":"19:44","startHours":18.277166719561105,"endHours":19.731680555025054,"quality":"auspicious"},{"name":"Roga","start":"19:44","end":"21:11","startHours":19.731680555025054,"endHours":21.186194390489007,"quality":"inauspicious"},{"name":"Udveg","start":"21:11","end":"22:38","startHours":21.186194390489007,"endHours":22.640708225952956,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:06","startHours":22.640708225952956,"endHours":24.095222061416905,"quality":"neutral"},{"name":"Labha","start":"00:06","end":"01:33","startHours":24.095222061416905,"endHours":25.549735896880858,"quality":"auspicious"},{"name":"Amṛta","start":"01:33","end":"03:00","startHours":25.549735896880858,"endHours":27.004249732344807,"quality":"auspicious"},{"name":"Kāla","start":"03:00","end":"04:28","startHours":27.004249732344807,"endHours":28.45876356780876,"quality":"inauspicious"},{"name":"Śubha","start":"04:28","end":"05:55","startHours":28.45876356780876,"endHours":29.91327740327271,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.913277403272709,"endHours":6.913277403272709,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.913277403272709,"endHours":7.913277403272709,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.913277403272709,"endHours":8.913277403272708,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.913277403272708,"endHours":9.913277403272708,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.913277403272708,"endHours":10.913277403272708,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.913277403272708,"endHours":11.913277403272708,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.913277403272708,"endHours":12.913277403272708,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.913277403272708,"endHours":13.913277403272708,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.913277403272708,"endHours":14.913277403272708,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.913277403272708,"endHours":15.913277403272708,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.913277403272708,"endHours":16.91327740327271,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.91327740327271,"endHours":17.91327740327271,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.91327740327271,"endHours":18.91327740327271,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.91327740327271,"endHours":19.91327740327271,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.91327740327271,"endHours":20.91327740327271,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.91327740327271,"endHours":21.91327740327271,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.91327740327271,"endHours":22.91327740327271,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.91327740327271,"endHours":23.91327740327271,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.91327740327271,"endHours":24.91327740327271,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.91327740327271,"endHours":25.91327740327271,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.91327740327271,"endHours":26.91327740327271,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.91327740327271,"endHours":27.91327740327271,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.91327740327271,"endHours":28.91327740327271,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.91327740327271,"endHours":29.91327740327271,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-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":-2.79618084883898,"eotMinutes":10.844676314985584,"ayanamsa":26.2382}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"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 Pañcamī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"festivals":[],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 September 30, 2170 CE · Perth, Australia · Vidhyamitra","description":"September 30, 2170 CE for Perth, Australia: Kṛṣṇa Pañcamī, sūryodaya 05:55, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2170-09-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2170-09-30","sa":"https://sa.vidhyamitra.com/city/perth/2170-09-30","hi":"https://hi.vidhyamitra.com/city/perth/2170-09-30","x-default":"https://vidhyamitra.com/city/perth/2170-09-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:45:22.121Z","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":"2026-06-01T05:45:22.121Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:45:22.121Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}