{"id":"vidhyamitra:city-day:perth:2159-09-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2159-09-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-09-29","date_display":"September 29, 2159 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":2159,"month":9,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509889.770833,"kali_year":5261,"ahargana":1921424.2708,"sun":{"sidereal_longitude":158.5178,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":356.8034,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":198.2855,"elapsed_within_tithi_degrees":6.2855},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.8034,"elapsed_within_degrees":10.1367},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.3212},"karana":{"half_tithi_index":33,"name":"Gara"},"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":2159,"month":9,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509889.770833,"ahargana":1921424.2708,"kali_year":5261,"ayanamsa_lahiri":26.0845,"grahas":{"sun":{"sidereal_longitude":159.64901099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":358.627411,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":4.3825},"mars":{"sidereal_longitude":256.67821100000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":180.408911,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":172.77061099999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"venus":{"sidereal_longitude":112.013511,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":180.681911,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":253.6956,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":73.6956,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2159,"month":9,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509889.770833,"kali_year":5261,"ahargana":1921424.2708,"sun":{"sidereal_longitude":158.5178,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":356.8034,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":198.2855,"elapsed_within_tithi_degrees":6.2855},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.8034,"elapsed_within_degrees":10.1367},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.3212},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.383,"elongation":161.714},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.383,"opposition_distance":18.286}},"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":"05:56","sunsetLocal":"18:16","solarNoonLocal":"12:06","dayLengthHours":12.320551830630386,"dayLengthDisplay":"12 Hours 19 Mins 14 Secs","nightLengthDisplay":"11 Hours 40 Mins 46 Secs","moonriseLocal":"19:43","moonsetLocal":"07:01","rahuKala":{"name":"Rāhu Kāla","start":"09:01","end":"10:34","startHours":9.02056943627893,"endHours":10.560638415107729,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:11","startHours":13.640776372765325,"endHours":15.180845351594122,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:56","end":"07:29","startHours":5.940431478621334,"endHours":7.480500457450132,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:14","startHours":8.815226905768423,"endHours":9.225911966789436,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.4537878048976,"endHours":6.782335853714411,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:31","startHours":11.690022332915515,"endHours":12.51139245495754,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:07","startHours":4.297691234537282,"endHours":5.119061356579309,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:55","end":"05:56","startHours":4.913718826068802,"endHours":5.940431478621334,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.154132699041593,"endHours":14.97550282108362,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:04","end":"18:28","startHours":18.06098330925172,"endHours":18.46098330925172,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:16","end":"18:46","startHours":18.26098330925172,"endHours":18.774339635527987,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:01","end":"19:46","startHours":18.01098330925172,"endHours":19.76098330925172,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:31","startHours":23.690022332915515,"endHours":24.51139245495754,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:56","end":"07:29","startHours":5.940431478621334,"endHours":7.480500457450132,"quality":"inauspicious"},{"name":"Śubha","start":"07:29","end":"09:01","startHours":7.480500457450132,"endHours":9.02056943627893,"quality":"auspicious"},{"name":"Roga","start":"09:01","end":"10:34","startHours":9.02056943627893,"endHours":10.560638415107729,"quality":"inauspicious"},{"name":"Udveg","start":"10:34","end":"12:06","startHours":10.560638415107729,"endHours":12.100707393936528,"quality":"inauspicious"},{"name":"Chala","start":"12:06","end":"13:38","startHours":12.100707393936528,"endHours":13.640776372765325,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:11","startHours":13.640776372765325,"endHours":15.180845351594122,"quality":"auspicious"},{"name":"Amṛta","start":"15:11","end":"16:43","startHours":15.180845351594122,"endHours":16.72091433042292,"quality":"auspicious"},{"name":"Kāla","start":"16:43","end":"18:16","startHours":16.72091433042292,"endHours":18.26098330925172,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:16","end":"19:43","startHours":18.26098330925172,"endHours":19.72091433042292,"quality":"auspicious"},{"name":"Amṛta","start":"19:43","end":"21:11","startHours":19.72091433042292,"endHours":21.180845351594122,"quality":"auspicious"},{"name":"Kāla","start":"21:11","end":"22:38","startHours":21.180845351594122,"endHours":22.640776372765327,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:06","startHours":22.640776372765327,"endHours":24.100707393936528,"quality":"auspicious"},{"name":"Roga","start":"00:06","end":"01:34","startHours":24.100707393936528,"endHours":25.56063841510773,"quality":"inauspicious"},{"name":"Udveg","start":"01:34","end":"03:01","startHours":25.56063841510773,"endHours":27.020569436278933,"quality":"inauspicious"},{"name":"Chala","start":"03:01","end":"04:29","startHours":27.020569436278933,"endHours":28.480500457450134,"quality":"neutral"},{"name":"Labha","start":"04:29","end":"05:56","startHours":28.480500457450134,"endHours":29.940431478621335,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.940431478621334,"endHours":6.940431478621334,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.940431478621334,"endHours":7.940431478621334,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.940431478621334,"endHours":8.940431478621335,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.940431478621335,"endHours":9.940431478621335,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.940431478621335,"endHours":10.940431478621335,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.940431478621335,"endHours":11.940431478621335,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.940431478621335,"endHours":12.940431478621335,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.940431478621335,"endHours":13.940431478621335,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.940431478621335,"endHours":14.940431478621335,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.940431478621335,"endHours":15.940431478621335,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.940431478621335,"endHours":16.940431478621335,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.940431478621335,"endHours":17.940431478621335,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.940431478621335,"endHours":18.940431478621335,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.940431478621335,"endHours":19.940431478621335,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.940431478621335,"endHours":20.940431478621335,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.940431478621335,"endHours":21.940431478621335,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.940431478621335,"endHours":22.940431478621335,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.940431478621335,"endHours":23.940431478621335,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.940431478621335,"endHours":24.940431478621335,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.940431478621335,"endHours":25.940431478621335,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.940431478621335,"endHours":26.940431478621335,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.940431478621335,"endHours":27.940431478621335,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.940431478621335,"endHours":28.940431478621335,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.940431478621335,"endHours":29.940431478621335,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-2.27719893056042,"eotMinutes":10.515556363808276,"ayanamsa":26.0845}},"calendars":{"vikram_samvat":2216,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2081,"saka_samvatsara":"Siddhārthī","bengali_samvat":1566,"malayalam_era":1335,"nanakshahi_year":690,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvitīyā · Vikram 2216 Aṅgirasa · Śaka 2081 Siddhārthī"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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":[]},"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 29, 2159 CE · Perth, Australia · Vidhyamitra","description":"September 29, 2159 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 05:56, sūryāsta 18:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2159-09-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2159-09-29","sa":"https://sa.vidhyamitra.com/city/perth/2159-09-29","hi":"https://hi.vidhyamitra.com/city/perth/2159-09-29","x-default":"https://vidhyamitra.com/city/perth/2159-09-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T16:32:27.682Z","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":"2026-05-27T16:32:27.682Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T16:32:27.682Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}