{"id":"vidhyamitra:city-day:perth:2138-01-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2138-01-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2138-01-12","date_display":"January 12, 2138 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":2138,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501959.770833,"kali_year":5239,"ahargana":1913494.2708,"sun":{"sidereal_longitude":265.3782,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":273.4182,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.04,"elapsed_within_tithi_degrees":8.04},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.4182,"elapsed_within_degrees":6.7515},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":178.7964},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2138,"month":1,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501959.770833,"ahargana":1913494.2708,"kali_year":5239,"ayanamsa_lahiri":25.7812,"grahas":{"sun":{"sidereal_longitude":265.85809500000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":275.312495,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-2.9176},"mars":{"sidereal_longitude":142.72009500000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":259.762695,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":237.43139500000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":273.633595,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":269.25669500000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":313.8652,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":133.8652,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"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":2138,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501959.770833,"kali_year":5239,"ahargana":1913494.2708,"sun":{"sidereal_longitude":265.3782,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":273.4182,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.04,"elapsed_within_tithi_degrees":8.04},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.4182,"elapsed_within_degrees":6.7515},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":178.7964},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.918,"elongation":8.04},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.918,"opposition_distance":171.96}},"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":"05:23","sunsetLocal":"19:27","solarNoonLocal":"12:25","dayLengthHours":14.06155229023614,"dayLengthDisplay":"14 Hours 03 Mins 42 Secs","nightLengthDisplay":"9 Hours 56 Mins 18 Secs","moonriseLocal":"06:07","moonsetLocal":"19:58","rahuKala":{"name":"Rāhu Kāla","start":"17:41","end":"19:27","startHours":17.68680681944485,"endHours":19.444500855724367,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:25","end":"14:10","startHours":12.4137247106063,"endHours":14.171418746885816,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:56","end":"17:41","startHours":15.929112783165333,"endHours":17.68680681944485,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:08","startHours":8.663977433209995,"endHours":9.132695842884532,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:21","startHours":5.968846577581401,"endHours":6.343821305321031,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:53","startHours":11.945006300931759,"endHours":12.882443120280836,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:27","startHours":3.5080749267900764,"endHours":4.445511746139153,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:13","end":"05:23","startHours":4.2111525413018835,"endHours":5.3829485654882285,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:42","startHours":14.757316758978988,"endHours":15.694753578328063,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.244500855724368,"endHours":19.644500855724367,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.444500855724367,"endHours":20.03039886781754,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.194500855724367,"endHours":20.944500855724367,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:53","startHours":23.94500630093176,"endHours":24.882443120280833,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:23","end":"07:08","startHours":5.3829485654882285,"endHours":7.1406426017677465,"quality":"inauspicious"},{"name":"Chala","start":"07:08","end":"08:54","startHours":7.1406426017677465,"endHours":8.898336638047263,"quality":"neutral"},{"name":"Labha","start":"08:54","end":"10:39","startHours":8.898336638047263,"endHours":10.656030674326782,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:25","startHours":10.656030674326782,"endHours":12.4137247106063,"quality":"auspicious"},{"name":"Kāla","start":"12:25","end":"14:10","startHours":12.4137247106063,"endHours":14.171418746885816,"quality":"inauspicious"},{"name":"Śubha","start":"14:10","end":"15:56","startHours":14.171418746885816,"endHours":15.929112783165333,"quality":"auspicious"},{"name":"Roga","start":"15:56","end":"17:41","startHours":15.929112783165333,"endHours":17.68680681944485,"quality":"inauspicious"},{"name":"Udveg","start":"17:41","end":"19:27","startHours":17.68680681944485,"endHours":19.444500855724367,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:27","end":"20:41","startHours":19.444500855724367,"endHours":20.68680681944485,"quality":"auspicious"},{"name":"Roga","start":"20:41","end":"21:56","startHours":20.68680681944485,"endHours":21.929112783165333,"quality":"inauspicious"},{"name":"Udveg","start":"21:56","end":"23:10","startHours":21.929112783165333,"endHours":23.171418746885816,"quality":"inauspicious"},{"name":"Chala","start":"23:10","end":"00:25","startHours":23.171418746885816,"endHours":24.413724710606296,"quality":"neutral"},{"name":"Labha","start":"00:25","end":"01:39","startHours":24.413724710606296,"endHours":25.65603067432678,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"02:54","startHours":25.65603067432678,"endHours":26.89833663804726,"quality":"auspicious"},{"name":"Kāla","start":"02:54","end":"04:08","startHours":26.89833663804726,"endHours":28.140642601767745,"quality":"inauspicious"},{"name":"Śubha","start":"04:08","end":"05:23","startHours":28.140642601767745,"endHours":29.382948565488228,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.3829485654882285,"endHours":6.3829485654882285,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.3829485654882285,"endHours":7.3829485654882285,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.3829485654882285,"endHours":8.382948565488228,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.382948565488228,"endHours":9.382948565488228,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.382948565488228,"endHours":10.382948565488228,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.382948565488228,"endHours":11.382948565488228,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.382948565488228,"endHours":12.382948565488228,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.382948565488228,"endHours":13.382948565488228,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.382948565488228,"endHours":14.382948565488228,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.382948565488228,"endHours":15.382948565488228,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.382948565488228,"endHours":16.382948565488228,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.382948565488228,"endHours":17.382948565488228,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.382948565488228,"endHours":18.382948565488228,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.382948565488228,"endHours":19.382948565488228,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.382948565488228,"endHours":20.382948565488228,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.382948565488228,"endHours":21.382948565488228,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.382948565488228,"endHours":22.382948565488228,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.382948565488228,"endHours":23.382948565488228,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.382948565488228,"endHours":24.382948565488228,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.382948565488228,"endHours":25.382948565488228,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.382948565488228,"endHours":26.382948565488228,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.382948565488228,"endHours":27.382948565488228,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.382948565488228,"endHours":28.382948565488228,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.382948565488228,"endHours":29.382948565488228,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","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":-21.697226936305114,"eotMinutes":-8.265482636377905,"ayanamsa":25.7812}},"calendars":{"vikram_samvat":2195,"vikram_samvatsara":"Virodhakṛt","saka_samvat":2060,"saka_samvatsara":"Vilambī","bengali_samvat":1545,"malayalam_era":1314,"nanakshahi_year":669,"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 Pratipada · Vikram 2195 Virodhakṛt · Śaka 2060 Vilambī"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 January 12, 2138 CE · Perth, Australia · Vidhyamitra","description":"January 12, 2138 CE for Perth, Australia: Śukla Pratipada, sūryodaya 05:23, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2138-01-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2138-01-12","sa":"https://sa.vidhyamitra.com/city/perth/2138-01-12","hi":"https://hi.vidhyamitra.com/city/perth/2138-01-12","x-default":"https://vidhyamitra.com/city/perth/2138-01-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:16:00.565Z","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":"2026-05-31T19:16:00.565Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:16:00.565Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}