{"id":"vidhyamitra:city-day:perth:2013-11-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2013-11-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-11-13","date_display":"November 13, 2013 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":2013,"month":11,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456609.770833,"kali_year":5115,"ahargana":1868144.2708,"sun":{"sidereal_longitude":206.1136,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":330.7197,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":124.6061,"elapsed_within_tithi_degrees":4.6061},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.7197,"elapsed_within_degrees":10.7197},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":176.8334},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2013,"month":11,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456609.770833,"ahargana":1868144.2708,"kali_year":5115,"ayanamsa_lahiri":24.0467,"grahas":{"sun":{"sidereal_longitude":206.77149899999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":332.293899,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":3.2358},"mars":{"sidereal_longitude":142.367999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":188.64509900000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":85.80069900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"venus":{"sidereal_longitude":253.03859899999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":200.71029900000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":196.7264,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":16.7264,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2013,"month":11,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456609.770833,"kali_year":5115,"ahargana":1868144.2708,"sun":{"sidereal_longitude":206.1136,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":330.7197,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":124.6061,"elapsed_within_tithi_degrees":4.6061},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.7197,"elapsed_within_degrees":10.7197},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":176.8334},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.236,"elongation":124.606},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.236,"opposition_distance":55.394}},"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":"05:10","sunsetLocal":"18:52","solarNoonLocal":"12:01","dayLengthHours":13.695587203376867,"dayLengthDisplay":"13 Hours 41 Mins 44 Secs","nightLengthDisplay":"10 Hours 18 Mins 16 Secs","moonriseLocal":"14:17","moonsetLocal":"02:30","rahuKala":{"name":"Rāhu Kāla","start":"12:01","end":"13:44","startHours":12.021636653092369,"endHours":13.733585053514478,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:53","end":"08:36","startHours":6.8857914518260435,"endHours":8.597739852248152,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:19","end":"12:01","startHours":10.30968825267026,"endHours":12.021636653092369,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:50","startHours":8.369480065525204,"endHours":8.8259996389711,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.744492518211304,"endHours":6.109708176968021,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:29","startHours":11.565117079646473,"endHours":12.478156226538264,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:21","end":"04:16","startHours":3.347764757620353,"endHours":4.260803904512144,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:10","startHours":4.032544117789197,"endHours":5.173843051403935,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:13","startHours":14.304234520321845,"endHours":15.217273667213636,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.669430254780803,"endHours":19.0694302547808,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:26","startHours":18.869430254780802,"endHours":19.440079721588173,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.619430254780802,"endHours":20.369430254780802,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:29","startHours":23.565117079646473,"endHours":24.478156226538264,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:10","end":"06:53","startHours":5.173843051403935,"endHours":6.8857914518260435,"quality":"auspicious"},{"name":"Amṛta","start":"06:53","end":"08:36","startHours":6.8857914518260435,"endHours":8.597739852248152,"quality":"auspicious"},{"name":"Kāla","start":"08:36","end":"10:19","startHours":8.597739852248152,"endHours":10.30968825267026,"quality":"inauspicious"},{"name":"Śubha","start":"10:19","end":"12:01","startHours":10.30968825267026,"endHours":12.021636653092369,"quality":"auspicious"},{"name":"Roga","start":"12:01","end":"13:44","startHours":12.021636653092369,"endHours":13.733585053514478,"quality":"inauspicious"},{"name":"Udveg","start":"13:44","end":"15:27","startHours":13.733585053514478,"endHours":15.445533453936585,"quality":"inauspicious"},{"name":"Chala","start":"15:27","end":"17:09","startHours":15.445533453936585,"endHours":17.157481854358693,"quality":"neutral"},{"name":"Labha","start":"17:09","end":"18:52","startHours":17.157481854358693,"endHours":18.869430254780802,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:52","end":"20:09","startHours":18.869430254780802,"endHours":20.157481854358693,"quality":"inauspicious"},{"name":"Chala","start":"20:09","end":"21:27","startHours":20.157481854358693,"endHours":21.445533453936584,"quality":"neutral"},{"name":"Labha","start":"21:27","end":"22:44","startHours":21.445533453936584,"endHours":22.733585053514478,"quality":"auspicious"},{"name":"Amṛta","start":"22:44","end":"00:01","startHours":22.733585053514478,"endHours":24.02163665309237,"quality":"auspicious"},{"name":"Kāla","start":"00:01","end":"01:19","startHours":24.02163665309237,"endHours":25.30968825267026,"quality":"inauspicious"},{"name":"Śubha","start":"01:19","end":"02:36","startHours":25.30968825267026,"endHours":26.597739852248154,"quality":"auspicious"},{"name":"Roga","start":"02:36","end":"03:53","startHours":26.597739852248154,"endHours":27.885791451826044,"quality":"inauspicious"},{"name":"Udveg","start":"03:53","end":"05:10","startHours":27.885791451826044,"endHours":29.173843051403935,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:10","end":"06:10","startHours":5.173843051403935,"endHours":6.173843051403935,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:10","end":"07:10","startHours":6.173843051403935,"endHours":7.173843051403935,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:10","end":"08:10","startHours":7.173843051403935,"endHours":8.173843051403935,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:10","end":"09:10","startHours":8.173843051403935,"endHours":9.173843051403935,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:10","end":"10:10","startHours":9.173843051403935,"endHours":10.173843051403935,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:10","end":"11:10","startHours":10.173843051403935,"endHours":11.173843051403935,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:10","end":"12:10","startHours":11.173843051403935,"endHours":12.173843051403935,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:10","end":"13:10","startHours":12.173843051403935,"endHours":13.173843051403935,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:10","end":"14:10","startHours":13.173843051403935,"endHours":14.173843051403935,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:10","end":"15:10","startHours":14.173843051403935,"endHours":15.173843051403935,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:10","end":"16:10","startHours":15.173843051403935,"endHours":16.173843051403935,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:10","end":"17:10","startHours":16.173843051403935,"endHours":17.173843051403935,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:10","end":"18:10","startHours":17.173843051403935,"endHours":18.173843051403935,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:10","end":"19:10","startHours":18.173843051403935,"endHours":19.173843051403935,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:10","end":"20:10","startHours":19.173843051403935,"endHours":20.173843051403935,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:10","end":"21:10","startHours":20.173843051403935,"endHours":21.173843051403935,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:10","end":"22:10","startHours":21.173843051403935,"endHours":22.173843051403935,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:10","end":"23:10","startHours":22.173843051403935,"endHours":23.173843051403935,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:10","end":"00:10","startHours":23.173843051403935,"endHours":24.173843051403935,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:10","end":"01:10","startHours":24.173843051403935,"endHours":25.173843051403935,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:10","end":"02:10","startHours":25.173843051403935,"endHours":26.173843051403935,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:10","end":"03:10","startHours":26.173843051403935,"endHours":27.173843051403935,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:10","end":"04:10","startHours":27.173843051403935,"endHours":28.173843051403935,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:10","end":"05:10","startHours":28.173843051403935,"endHours":29.173843051403935,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.956835072881844,"eotMinutes":15.25980081445791,"ayanamsa":24.0467}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Ekādaśī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[{"id":"devotthana-ekadashi","name":"Devotthāna Ekādaśī (Prabodhinī)","name_sanskrit":"देवोत्थान एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Bhagavān Viṣṇu awakens; Cāturmāsya ends; weddings can resume.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 November 13, 2013 CE · Perth, Australia · Vidhyamitra","description":"November 13, 2013 CE for Perth, Australia: Śukla Ekādaśī, sūryodaya 05:10, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2013-11-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2013-11-13","sa":"https://sa.vidhyamitra.com/city/perth/2013-11-13","hi":"https://hi.vidhyamitra.com/city/perth/2013-11-13","x-default":"https://vidhyamitra.com/city/perth/2013-11-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T20:04:34.936Z","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":"2026-06-02T20:04:34.936Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T20:04:34.936Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}