{"id":"vidhyamitra:city-day:perth:2156-12-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2156-12-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2156-12-30","date_display":"December 30, 2156 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":2156,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508886.770833,"kali_year":5258,"ahargana":1920421.2708,"sun":{"sidereal_longitude":252.1,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":112.1856,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.0855,"elapsed_within_tithi_degrees":4.0855},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.1856,"elapsed_within_degrees":5.5189},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.2856},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2156,"month":12,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508886.770833,"ahargana":1920421.2708,"kali_year":5258,"ayanamsa_lahiri":26.0461,"grahas":{"sun":{"sidereal_longitude":252.740633,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":110.346633,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":1.1373},"mars":{"sidereal_longitude":172.31793300000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":232.00443300000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":103.51073300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":239.848933,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":155.93433300000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":306.8394,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":126.8394,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2156,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508886.770833,"kali_year":5258,"ahargana":1920421.2708,"sun":{"sidereal_longitude":252.1,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":112.1856,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.0855,"elapsed_within_tithi_degrees":4.0855},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.1856,"elapsed_within_degrees":5.5189},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.2856},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.137,"elongation":139.914},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.137,"opposition_distance":40.086}},"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":"05:13","sunsetLocal":"19:26","solarNoonLocal":"12:19","dayLengthHours":14.209712166133896,"dayLengthDisplay":"14 Hours 12 Mins 35 Secs","nightLengthDisplay":"9 Hours 47 Mins 25 Secs","moonriseLocal":"21:28","moonsetLocal":"08:12","rahuKala":{"name":"Rāhu Kāla","start":"14:06","end":"15:53","startHours":14.098902262437939,"endHours":15.875116283204676,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:13","end":"07:00","startHours":5.217832158604255,"endHours":6.994046179370992,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:46","end":"10:33","startHours":8.770260200137729,"endHours":10.546474220904464,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.533431664035497,"endHours":9.007088736239961,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:49","end":"06:11","startHours":5.809903498859834,"endHours":6.188829156623404,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:48","startHours":11.84903116946674,"endHours":12.796345313875667,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:19","end":"04:16","startHours":3.323203869786402,"endHours":4.2705180141953285,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:13","startHours":4.0336894780930965,"endHours":5.217832158604255,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:38","startHours":14.690973602693518,"endHours":15.638287747102444,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.22754432473815,"endHours":19.62754432473815,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.42754432473815,"endHours":20.01961566499373,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.17754432473815,"endHours":20.92754432473815,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:48","startHours":23.849031169466738,"endHours":24.796345313875666,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:13","end":"07:00","startHours":5.217832158604255,"endHours":6.994046179370992,"quality":"auspicious"},{"name":"Roga","start":"07:00","end":"08:46","startHours":6.994046179370992,"endHours":8.770260200137729,"quality":"inauspicious"},{"name":"Udveg","start":"08:46","end":"10:33","startHours":8.770260200137729,"endHours":10.546474220904464,"quality":"inauspicious"},{"name":"Chala","start":"10:33","end":"12:19","startHours":10.546474220904464,"endHours":12.322688241671202,"quality":"neutral"},{"name":"Labha","start":"12:19","end":"14:06","startHours":12.322688241671202,"endHours":14.098902262437939,"quality":"auspicious"},{"name":"Amṛta","start":"14:06","end":"15:53","startHours":14.098902262437939,"endHours":15.875116283204676,"quality":"auspicious"},{"name":"Kāla","start":"15:53","end":"17:39","startHours":15.875116283204676,"endHours":17.651330303971413,"quality":"inauspicious"},{"name":"Śubha","start":"17:39","end":"19:26","startHours":17.651330303971413,"endHours":19.42754432473815,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:26","end":"20:39","startHours":19.42754432473815,"endHours":20.651330303971413,"quality":"auspicious"},{"name":"Kāla","start":"20:39","end":"21:53","startHours":20.651330303971413,"endHours":21.875116283204676,"quality":"inauspicious"},{"name":"Śubha","start":"21:53","end":"23:06","startHours":21.875116283204676,"endHours":23.09890226243794,"quality":"auspicious"},{"name":"Roga","start":"23:06","end":"00:19","startHours":23.09890226243794,"endHours":24.3226882416712,"quality":"inauspicious"},{"name":"Udveg","start":"00:19","end":"01:33","startHours":24.3226882416712,"endHours":25.546474220904464,"quality":"inauspicious"},{"name":"Chala","start":"01:33","end":"02:46","startHours":25.546474220904464,"endHours":26.770260200137727,"quality":"neutral"},{"name":"Labha","start":"02:46","end":"04:00","startHours":26.770260200137727,"endHours":27.99404617937099,"quality":"auspicious"},{"name":"Amṛta","start":"04:00","end":"05:13","startHours":27.99404617937099,"endHours":29.217832158604253,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:13","end":"06:13","startHours":5.217832158604255,"endHours":6.217832158604255,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:13","end":"07:13","startHours":6.217832158604255,"endHours":7.217832158604255,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:13","end":"08:13","startHours":7.217832158604255,"endHours":8.217832158604255,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:13","end":"09:13","startHours":8.217832158604255,"endHours":9.217832158604255,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:13","end":"10:13","startHours":9.217832158604255,"endHours":10.217832158604255,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:13","end":"11:13","startHours":10.217832158604255,"endHours":11.217832158604255,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:13","end":"12:13","startHours":11.217832158604255,"endHours":12.217832158604255,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:13","end":"13:13","startHours":12.217832158604255,"endHours":13.217832158604255,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:13","end":"14:13","startHours":13.217832158604255,"endHours":14.217832158604255,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:13","end":"15:13","startHours":14.217832158604255,"endHours":15.217832158604255,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:13","end":"16:13","startHours":15.217832158604255,"endHours":16.217832158604253,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:13","end":"17:13","startHours":16.217832158604253,"endHours":17.217832158604253,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:13","end":"18:13","startHours":17.217832158604253,"endHours":18.217832158604253,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:13","end":"19:13","startHours":18.217832158604253,"endHours":19.217832158604253,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:13","end":"20:13","startHours":19.217832158604253,"endHours":20.217832158604253,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:13","end":"21:13","startHours":20.217832158604253,"endHours":21.217832158604253,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:13","end":"22:13","startHours":21.217832158604253,"endHours":22.217832158604253,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:13","end":"23:13","startHours":22.217832158604253,"endHours":23.217832158604253,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:13","end":"00:13","startHours":23.217832158604253,"endHours":24.217832158604253,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:13","end":"01:13","startHours":24.217832158604253,"endHours":25.217832158604253,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:13","end":"02:13","startHours":25.217832158604253,"endHours":26.217832158604253,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:13","end":"03:13","startHours":26.217832158604253,"endHours":27.217832158604253,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:13","end":"04:13","startHours":27.217832158604253,"endHours":28.217832158604253,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:13","end":"05:13","startHours":28.217832158604253,"endHours":29.217832158604253,"planetary_lord":"Moon"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.14532174749965,"eotMinutes":-2.803294500272213,"ayanamsa":26.0461}},"calendars":{"vikram_samvat":2213,"vikram_samvatsara":"Śukla","saka_samvat":2078,"saka_samvatsara":"Nala","bengali_samvat":1563,"malayalam_era":1332,"nanakshahi_year":687,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2213 Śukla · Śaka 2078 Nala"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[]},"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 30, 2156 CE · Perth, Australia · Vidhyamitra","description":"December 30, 2156 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 05:13, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2156-12-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2156-12-30","sa":"https://sa.vidhyamitra.com/city/perth/2156-12-30","hi":"https://hi.vidhyamitra.com/city/perth/2156-12-30","x-default":"https://vidhyamitra.com/city/perth/2156-12-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:25:46.876Z","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":"2026-06-01T04:25:46.876Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:25:46.876Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}