{"id":"vidhyamitra:city-day:perth:2123-10-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2123-10-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2123-10-07","date_display":"October 7, 2123 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":2123,"month":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496748.770833,"kali_year":5225,"ahargana":1908283.2708,"sun":{"sidereal_longitude":166.6875,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":7.2624,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.5749,"elapsed_within_tithi_degrees":8.5749},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.2624,"elapsed_within_degrees":7.2624},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.9498},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2123,"month":10,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496748.770833,"ahargana":1908283.2708,"kali_year":5225,"ayanamsa_lahiri":25.5819,"grahas":{"sun":{"sidereal_longitude":167.73259400000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":10.250494000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":3.0504},"mars":{"sidereal_longitude":216.616894,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":173.78529400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":165.70409399999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":187.99209399999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":107.19449400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":229.969,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":49.969,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2123,"month":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496748.770833,"kali_year":5225,"ahargana":1908283.2708,"sun":{"sidereal_longitude":166.6875,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":7.2624,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.5749,"elapsed_within_tithi_degrees":8.5749},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.2624,"elapsed_within_degrees":7.2624},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.9498},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.05,"elongation":159.425},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.05,"opposition_distance":20.575}},"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":"05:46","sunsetLocal":"18:21","solarNoonLocal":"12:04","dayLengthHours":12.570224301304144,"dayLengthDisplay":"12 Hours 34 Mins 13 Secs","nightLengthDisplay":"11 Hours 25 Mins 47 Secs","moonriseLocal":"20:05","moonsetLocal":"07:02","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:12","startHours":13.631265534179358,"endHours":15.202543571842376,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:46","end":"07:21","startHours":5.774875345864268,"endHours":7.346153383527286,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:55","end":"10:29","startHours":8.917431421190305,"endHours":10.488709458853322,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:08","startHours":8.707927682835233,"endHours":9.126935159545372,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:38","startHours":6.29863469175194,"endHours":6.6338406731200505,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:29","startHours":11.6409800198062,"endHours":12.478994973226477,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:56","startHours":4.098845439023715,"endHours":4.936860392443991,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:46","startHours":4.727356654088922,"endHours":5.774875345864268,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.155024880067028,"endHours":14.993039833487304,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.14509964716841,"endHours":18.54509964716841,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:52","startHours":18.34509964716841,"endHours":18.868858993056083,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.09509964716841,"endHours":19.84509964716841,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:29","startHours":23.6409800198062,"endHours":24.478994973226477,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:46","end":"07:21","startHours":5.774875345864268,"endHours":7.346153383527286,"quality":"auspicious"},{"name":"Roga","start":"07:21","end":"08:55","startHours":7.346153383527286,"endHours":8.917431421190305,"quality":"inauspicious"},{"name":"Udveg","start":"08:55","end":"10:29","startHours":8.917431421190305,"endHours":10.488709458853322,"quality":"inauspicious"},{"name":"Chala","start":"10:29","end":"12:04","startHours":10.488709458853322,"endHours":12.059987496516339,"quality":"neutral"},{"name":"Labha","start":"12:04","end":"13:38","startHours":12.059987496516339,"endHours":13.631265534179358,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:12","startHours":13.631265534179358,"endHours":15.202543571842376,"quality":"auspicious"},{"name":"Kāla","start":"15:12","end":"16:46","startHours":15.202543571842376,"endHours":16.773821609505394,"quality":"inauspicious"},{"name":"Śubha","start":"16:46","end":"18:21","startHours":16.773821609505394,"endHours":18.34509964716841,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:21","end":"19:46","startHours":18.34509964716841,"endHours":19.773821609505394,"quality":"auspicious"},{"name":"Kāla","start":"19:46","end":"21:12","startHours":19.773821609505394,"endHours":21.202543571842376,"quality":"inauspicious"},{"name":"Śubha","start":"21:12","end":"22:38","startHours":21.202543571842376,"endHours":22.631265534179356,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"00:04","startHours":22.631265534179356,"endHours":24.05998749651634,"quality":"inauspicious"},{"name":"Udveg","start":"00:04","end":"01:29","startHours":24.05998749651634,"endHours":25.48870945885332,"quality":"inauspicious"},{"name":"Chala","start":"01:29","end":"02:55","startHours":25.48870945885332,"endHours":26.9174314211903,"quality":"neutral"},{"name":"Labha","start":"02:55","end":"04:21","startHours":26.9174314211903,"endHours":28.346153383527284,"quality":"auspicious"},{"name":"Amṛta","start":"04:21","end":"05:46","startHours":28.346153383527284,"endHours":29.774875345864267,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.774875345864268,"endHours":6.774875345864268,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.774875345864268,"endHours":7.774875345864268,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.774875345864268,"endHours":8.774875345864267,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.774875345864267,"endHours":9.774875345864267,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.774875345864267,"endHours":10.774875345864267,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.774875345864267,"endHours":11.774875345864267,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.774875345864267,"endHours":12.774875345864267,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.774875345864267,"endHours":13.774875345864267,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.774875345864267,"endHours":14.774875345864267,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.774875345864267,"endHours":15.774875345864267,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.774875345864267,"endHours":16.774875345864267,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.774875345864267,"endHours":17.774875345864267,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.774875345864267,"endHours":18.774875345864267,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.774875345864267,"endHours":19.774875345864267,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.774875345864267,"endHours":20.774875345864267,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.774875345864267,"endHours":21.774875345864267,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.774875345864267,"endHours":22.774875345864267,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.774875345864267,"endHours":23.774875345864267,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.774875345864267,"endHours":24.774875345864267,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.774875345864267,"endHours":25.774875345864267,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.774875345864267,"endHours":26.774875345864267,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.774875345864267,"endHours":27.774875345864267,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.774875345864267,"endHours":28.774875345864267,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.774875345864267,"endHours":29.774875345864267,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","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":-5.255439677825357,"eotMinutes":12.958750209019716,"ayanamsa":25.5819}},"calendars":{"vikram_samvat":2180,"vikram_samvatsara":"Durmukhi","saka_samvat":2045,"saka_samvatsara":"Subhānu","bengali_samvat":1530,"malayalam_era":1299,"nanakshahi_year":654,"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 Dvitīyā · Vikram 2180 Durmukhi · Śaka 2045 Subhānu"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 October 7, 2123 CE · Perth, Australia · Vidhyamitra","description":"October 7, 2123 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 05:46, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2123-10-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2123-10-07","sa":"https://sa.vidhyamitra.com/city/perth/2123-10-07","hi":"https://hi.vidhyamitra.com/city/perth/2123-10-07","x-default":"https://vidhyamitra.com/city/perth/2123-10-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:35:55.357Z","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":"2026-05-31T10:35:55.357Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:35:55.357Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}