{"id":"vidhyamitra:city-day:perth:2155-12-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2155-12-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-12-30","date_display":"December 30, 2155 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":2155,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508520.770833,"kali_year":5257,"ahargana":1920055.2708,"sun":{"sidereal_longitude":251.3381,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":326.6632,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.3251,"elapsed_within_tithi_degrees":3.3251},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.6632,"elapsed_within_degrees":6.6632},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":218.0013},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2155,"month":12,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508520.770833,"ahargana":1920055.2708,"kali_year":5257,"ayanamsa_lahiri":26.0321,"grahas":{"sun":{"sidereal_longitude":251.98361699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":330.573617,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":0.0338},"mars":{"sidereal_longitude":282.777417,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":228.60031700000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":66.963617,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":291.895117,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":143.18951700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":326.2318,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":146.2318,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"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":2155,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508520.770833,"kali_year":5257,"ahargana":1920055.2708,"sun":{"sidereal_longitude":251.3381,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":326.6632,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.3251,"elapsed_within_tithi_degrees":3.3251},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.6632,"elapsed_within_degrees":6.6632},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":218.0013},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.034,"elongation":75.325},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.034,"opposition_distance":104.675}},"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":14.214769387039869,"dayLengthDisplay":"14 Hours 12 Mins 53 Secs","nightLengthDisplay":"9 Hours 47 Mins 07 Secs","moonriseLocal":"11:28","moonsetLocal":"23:40","rahuKala":{"name":"Rāhu Kāla","start":"15:53","end":"17:39","startHours":15.876380588431172,"endHours":17.653226761811155,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:46","end":"10:33","startHours":8.768995894911235,"endHours":10.545842068291218,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"14:06","startHours":12.322688241671202,"endHours":14.099534415051185,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.532083071793904,"endHours":9.005908718028566,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:11","startHours":5.807585605944595,"endHours":6.186646122932325,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:48","startHours":11.848862595436541,"endHours":12.796513887905865,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:19","end":"04:16","startHours":3.320000963212619,"endHours":4.267652255681943,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:13","startHours":4.030739432564612,"endHours":5.215303548151268,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:38","startHours":14.691816472844515,"endHours":15.639467765313839,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.23007293519114,"endHours":19.630072935191137,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.430072935191138,"endHours":20.022354992984464,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.180072935191138,"endHours":20.930072935191138,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:48","startHours":23.84886259543654,"endHours":24.796513887905864,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:13","end":"07:00","startHours":5.215303548151268,"endHours":6.992149721531252,"quality":"inauspicious"},{"name":"Udveg","start":"07:00","end":"08:46","startHours":6.992149721531252,"endHours":8.768995894911235,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:33","startHours":8.768995894911235,"endHours":10.545842068291218,"quality":"neutral"},{"name":"Labha","start":"10:33","end":"12:19","startHours":10.545842068291218,"endHours":12.322688241671202,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"14:06","startHours":12.322688241671202,"endHours":14.099534415051185,"quality":"auspicious"},{"name":"Kāla","start":"14:06","end":"15:53","startHours":14.099534415051185,"endHours":15.876380588431172,"quality":"inauspicious"},{"name":"Śubha","start":"15:53","end":"17:39","startHours":15.876380588431172,"endHours":17.653226761811155,"quality":"auspicious"},{"name":"Roga","start":"17:39","end":"19:26","startHours":17.653226761811155,"endHours":19.430072935191138,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:26","end":"20:39","startHours":19.430072935191138,"endHours":20.653226761811155,"quality":"inauspicious"},{"name":"Śubha","start":"20:39","end":"21:53","startHours":20.653226761811155,"endHours":21.87638058843117,"quality":"auspicious"},{"name":"Roga","start":"21:53","end":"23:06","startHours":21.87638058843117,"endHours":23.09953441505119,"quality":"inauspicious"},{"name":"Udveg","start":"23:06","end":"00:19","startHours":23.09953441505119,"endHours":24.3226882416712,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:33","startHours":24.3226882416712,"endHours":25.545842068291222,"quality":"neutral"},{"name":"Labha","start":"01:33","end":"02:46","startHours":25.545842068291222,"endHours":26.768995894911235,"quality":"auspicious"},{"name":"Amṛta","start":"02:46","end":"04:00","startHours":26.768995894911235,"endHours":27.992149721531252,"quality":"auspicious"},{"name":"Kāla","start":"04:00","end":"05:13","startHours":27.992149721531252,"endHours":29.21530354815127,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:13","end":"06:13","startHours":5.215303548151268,"endHours":6.215303548151268,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:13","end":"07:13","startHours":6.215303548151268,"endHours":7.215303548151268,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:13","end":"08:13","startHours":7.215303548151268,"endHours":8.215303548151269,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:13","end":"09:13","startHours":8.215303548151269,"endHours":9.215303548151269,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:13","end":"10:13","startHours":9.215303548151269,"endHours":10.215303548151269,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:13","end":"11:13","startHours":10.215303548151269,"endHours":11.215303548151269,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:13","end":"12:13","startHours":11.215303548151269,"endHours":12.215303548151269,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:13","end":"13:13","startHours":12.215303548151269,"endHours":13.215303548151269,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:13","end":"14:13","startHours":13.215303548151269,"endHours":14.215303548151269,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:13","end":"15:13","startHours":14.215303548151269,"endHours":15.215303548151269,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:13","end":"16:13","startHours":15.215303548151269,"endHours":16.21530354815127,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:13","end":"17:13","startHours":16.21530354815127,"endHours":17.21530354815127,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:13","end":"18:13","startHours":17.21530354815127,"endHours":18.21530354815127,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:13","end":"19:13","startHours":18.21530354815127,"endHours":19.21530354815127,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:13","end":"20:13","startHours":19.21530354815127,"endHours":20.21530354815127,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:13","end":"21:13","startHours":20.21530354815127,"endHours":21.21530354815127,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:13","end":"22:13","startHours":21.21530354815127,"endHours":22.21530354815127,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:13","end":"23:13","startHours":22.21530354815127,"endHours":23.21530354815127,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:13","end":"00:13","startHours":23.21530354815127,"endHours":24.21530354815127,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:13","end":"01:13","startHours":24.21530354815127,"endHours":25.21530354815127,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:13","end":"02:13","startHours":25.21530354815127,"endHours":26.21530354815127,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:13","end":"03:13","startHours":26.21530354815127,"endHours":27.21530354815127,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:13","end":"04:13","startHours":27.21530354815127,"endHours":28.21530354815127,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:13","end":"05:13","startHours":28.21530354815127,"endHours":29.21530354815127,"planetary_lord":"Saturn"}],"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":"North","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"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":-23.194056182897206,"eotMinutes":-2.803294500272213,"ayanamsa":26.0321}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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 Śukla Saptamī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"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 30, 2155 CE · Perth, Australia · Vidhyamitra","description":"December 30, 2155 CE for Perth, Australia: Śukla Saptamī, sūryodaya 05:13, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2155-12-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2155-12-30","sa":"https://sa.vidhyamitra.com/city/perth/2155-12-30","hi":"https://hi.vidhyamitra.com/city/perth/2155-12-30","x-default":"https://vidhyamitra.com/city/perth/2155-12-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:46:37.708Z","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":"2026-05-31T09:46:37.708Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:46:37.708Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}