{"id":"vidhyamitra:city-day:perth:2149-12-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2149-12-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2149-12-16","date_display":"December 16, 2149 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":2149,"month":12,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506315.770833,"kali_year":5251,"ahargana":1917850.2708,"sun":{"sidereal_longitude":237.528,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":73.152,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.624,"elapsed_within_tithi_degrees":3.624},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":73.152,"elapsed_within_degrees":6.4853},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.68},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2149,"month":12,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2506315.770833,"ahargana":1917850.2708,"kali_year":5251,"ayanamsa_lahiri":25.9478,"grahas":{"sun":{"sidereal_longitude":238.279264,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":74.54286400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-0.7738},"mars":{"sidereal_longitude":226.614864,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":218.87746400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":234.999364,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":214.017964,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":56.914664000000016,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":83.0633,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":263.0633,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2149,"month":12,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506315.770833,"kali_year":5251,"ahargana":1917850.2708,"sun":{"sidereal_longitude":237.528,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":73.152,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.624,"elapsed_within_tithi_degrees":3.624},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":73.152,"elapsed_within_degrees":6.4853},"yoga":{"number":24,"name":"Śukla","sum_longitude":310.68},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.774,"elongation":164.376},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.774,"opposition_distance":15.624}},"eclipse_window_40days":[{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":0.781,"elongation":0.415}]},"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":"05:06","sunsetLocal":"19:20","solarNoonLocal":"12:13","dayLengthHours":14.226881961474895,"dayLengthDisplay":"14 Hours 13 Mins 37 Secs","nightLengthDisplay":"9 Hours 46 Mins 23 Secs","moonriseLocal":"20:16","moonsetLocal":"06:20","rahuKala":{"name":"Rāhu Kāla","start":"15:46","end":"17:33","startHours":15.77073854324918,"endHours":17.549098788433543,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:39","end":"10:26","startHours":8.657297562511733,"endHours":10.435657807696096,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:13","end":"14:00","startHours":12.214018052880458,"endHours":13.992378298064821,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:25","end":"08:54","startHours":8.42018286315382,"endHours":8.894412261869649,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:04","startHours":5.693363820537797,"endHours":6.072747339510461,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:41","startHours":11.739788654164629,"endHours":12.688247451596288,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:12","end":"04:09","startHours":3.203659477279691,"endHours":4.15211827471135,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:55","end":"05:06","startHours":3.9150035753534356,"endHours":5.10057707214301,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:32","startHours":14.585165046459608,"endHours":15.533623843891267,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.127459033617907,"endHours":19.527459033617905,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:55","startHours":19.327459033617906,"endHours":19.920245782012692,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.077459033617906,"endHours":20.827459033617906,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:41","startHours":23.739788654164627,"endHours":24.68824745159629,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:06","end":"06:53","startHours":5.10057707214301,"endHours":6.878937317327372,"quality":"inauspicious"},{"name":"Udveg","start":"06:53","end":"08:39","startHours":6.878937317327372,"endHours":8.657297562511733,"quality":"inauspicious"},{"name":"Chala","start":"08:39","end":"10:26","startHours":8.657297562511733,"endHours":10.435657807696096,"quality":"neutral"},{"name":"Labha","start":"10:26","end":"12:13","startHours":10.435657807696096,"endHours":12.214018052880458,"quality":"auspicious"},{"name":"Amṛta","start":"12:13","end":"14:00","startHours":12.214018052880458,"endHours":13.992378298064821,"quality":"auspicious"},{"name":"Kāla","start":"14:00","end":"15:46","startHours":13.992378298064821,"endHours":15.77073854324918,"quality":"inauspicious"},{"name":"Śubha","start":"15:46","end":"17:33","startHours":15.77073854324918,"endHours":17.549098788433543,"quality":"auspicious"},{"name":"Roga","start":"17:33","end":"19:20","startHours":17.549098788433543,"endHours":19.327459033617906,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:20","end":"20:33","startHours":19.327459033617906,"endHours":20.549098788433543,"quality":"inauspicious"},{"name":"Śubha","start":"20:33","end":"21:46","startHours":20.549098788433543,"endHours":21.77073854324918,"quality":"auspicious"},{"name":"Roga","start":"21:46","end":"23:00","startHours":21.77073854324918,"endHours":22.99237829806482,"quality":"inauspicious"},{"name":"Udveg","start":"23:00","end":"00:13","startHours":22.99237829806482,"endHours":24.21401805288046,"quality":"inauspicious"},{"name":"Chala","start":"00:13","end":"01:26","startHours":24.21401805288046,"endHours":25.435657807696096,"quality":"neutral"},{"name":"Labha","start":"01:26","end":"02:39","startHours":25.435657807696096,"endHours":26.657297562511737,"quality":"auspicious"},{"name":"Amṛta","start":"02:39","end":"03:53","startHours":26.657297562511737,"endHours":27.878937317327374,"quality":"auspicious"},{"name":"Kāla","start":"03:53","end":"05:06","startHours":27.878937317327374,"endHours":29.10057707214301,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:06","end":"06:06","startHours":5.10057707214301,"endHours":6.10057707214301,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:06","end":"07:06","startHours":6.10057707214301,"endHours":7.10057707214301,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:06","end":"08:06","startHours":7.10057707214301,"endHours":8.100577072143011,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:06","end":"09:06","startHours":8.100577072143011,"endHours":9.100577072143011,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:06","end":"10:06","startHours":9.100577072143011,"endHours":10.100577072143011,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:06","end":"11:06","startHours":10.100577072143011,"endHours":11.100577072143011,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:06","end":"12:06","startHours":11.100577072143011,"endHours":12.100577072143011,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:06","end":"13:06","startHours":12.100577072143011,"endHours":13.100577072143011,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:06","end":"14:06","startHours":13.100577072143011,"endHours":14.100577072143011,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:06","end":"15:06","startHours":14.100577072143011,"endHours":15.100577072143011,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:06","end":"16:06","startHours":15.100577072143011,"endHours":16.10057707214301,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:06","end":"17:06","startHours":16.10057707214301,"endHours":17.10057707214301,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:06","end":"18:06","startHours":17.10057707214301,"endHours":18.10057707214301,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:06","end":"19:06","startHours":18.10057707214301,"endHours":19.10057707214301,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:06","end":"20:06","startHours":19.10057707214301,"endHours":20.10057707214301,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:06","end":"21:06","startHours":20.10057707214301,"endHours":21.10057707214301,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:06","end":"22:06","startHours":21.10057707214301,"endHours":22.10057707214301,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:06","end":"23:06","startHours":22.10057707214301,"endHours":23.10057707214301,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:06","end":"00:06","startHours":23.10057707214301,"endHours":24.10057707214301,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:06","end":"01:06","startHours":24.10057707214301,"endHours":25.10057707214301,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:06","end":"02:06","startHours":25.10057707214301,"endHours":26.10057707214301,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:06","end":"03:06","startHours":26.10057707214301,"endHours":27.10057707214301,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:06","end":"04:06","startHours":27.10057707214301,"endHours":28.10057707214301,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:06","end":"05:06","startHours":28.10057707214301,"endHours":29.10057707214301,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.310592603631285,"eotMinutes":3.716916827172506,"ayanamsa":25.9478}},"calendars":{"vikram_samvat":2206,"vikram_samvatsara":"Dundubhi","saka_samvat":2071,"saka_samvatsara":"Saumya","bengali_samvat":1556,"malayalam_era":1325,"nanakshahi_year":680,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Dvitīyā · Vikram 2206 Dundubhi · Śaka 2071 Saumya"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 December 16, 2149 CE · Perth, Australia · Vidhyamitra","description":"December 16, 2149 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 05:06, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2149-12-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2149-12-16","sa":"https://sa.vidhyamitra.com/city/perth/2149-12-16","hi":"https://hi.vidhyamitra.com/city/perth/2149-12-16","x-default":"https://vidhyamitra.com/city/perth/2149-12-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:08:15.832Z","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":"2026-05-31T03:08:15.832Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:08:15.832Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}