{"id":"vidhyamitra:city-day:perth:2138-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2138-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2138-01-11","date_display":"January 11, 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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501958.770833,"kali_year":5239,"ahargana":1913493.2708,"sun":{"sidereal_longitude":264.3505,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":258.9286,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.5781,"elapsed_within_tithi_degrees":6.5781},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.9286,"elapsed_within_degrees":5.5953},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":163.2791},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501958.770833,"ahargana":1913493.2708,"kali_year":5239,"ayanamsa_lahiri":25.7811,"grahas":{"sun":{"sidereal_longitude":264.8390340000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":260.018234,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-3.6845},"mars":{"sidereal_longitude":142.60553400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":258.156834,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":237.21683400000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":272.37803400000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":269.138334,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":313.9181,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":133.9181,"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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501958.770833,"kali_year":5239,"ahargana":1913493.2708,"sun":{"sidereal_longitude":264.3505,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":258.9286,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.5781,"elapsed_within_tithi_degrees":6.5781},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.9286,"elapsed_within_degrees":5.5953},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":163.2791},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.684,"elongation":5.422},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.684,"opposition_distance":174.578}},"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":"05:22","sunsetLocal":"19:27","solarNoonLocal":"12:24","dayLengthHours":14.077459591853511,"dayLengthDisplay":"14 Hours 04 Mins 39 Secs","nightLengthDisplay":"9 Hours 55 Mins 21 Secs","moonriseLocal":"05:02","moonsetLocal":"19:08","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:39","startHours":8.888043472619398,"endHours":10.647725921601086,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:10","end":"15:56","startHours":14.167090819564464,"endHours":15.926773268546153,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:22","end":"07:08","startHours":5.36867857465602,"endHours":7.128361023637709,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.653419146088506,"endHours":9.122667799150289,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:20","startHours":5.955239390983249,"endHours":6.330638313432676,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:53","startHours":11.93815971752099,"endHours":12.87665702364456,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:26","startHours":3.491683962408885,"endHours":4.430181268532452,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:22","startHours":4.19555694200156,"endHours":5.36867857465602,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:42","startHours":14.753651635891694,"endHours":15.692148942015262,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.24613816650953,"endHours":19.64613816650953,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.44613816650953,"endHours":20.03269898283676,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.19613816650953,"endHours":20.94613816650953,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:53","startHours":23.938159717520993,"endHours":24.876657023644558,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:22","end":"07:08","startHours":5.36867857465602,"endHours":7.128361023637709,"quality":"inauspicious"},{"name":"Śubha","start":"07:08","end":"08:53","startHours":7.128361023637709,"endHours":8.888043472619398,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:39","startHours":8.888043472619398,"endHours":10.647725921601086,"quality":"inauspicious"},{"name":"Udveg","start":"10:39","end":"12:24","startHours":10.647725921601086,"endHours":12.407408370582775,"quality":"inauspicious"},{"name":"Chala","start":"12:24","end":"14:10","startHours":12.407408370582775,"endHours":14.167090819564464,"quality":"neutral"},{"name":"Labha","start":"14:10","end":"15:56","startHours":14.167090819564464,"endHours":15.926773268546153,"quality":"auspicious"},{"name":"Amṛta","start":"15:56","end":"17:41","startHours":15.926773268546153,"endHours":17.686455717527842,"quality":"auspicious"},{"name":"Kāla","start":"17:41","end":"19:27","startHours":17.686455717527842,"endHours":19.44613816650953,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:27","end":"20:41","startHours":19.44613816650953,"endHours":20.686455717527842,"quality":"auspicious"},{"name":"Amṛta","start":"20:41","end":"21:56","startHours":20.686455717527842,"endHours":21.926773268546153,"quality":"auspicious"},{"name":"Kāla","start":"21:56","end":"23:10","startHours":21.926773268546153,"endHours":23.167090819564464,"quality":"inauspicious"},{"name":"Śubha","start":"23:10","end":"00:24","startHours":23.167090819564464,"endHours":24.407408370582775,"quality":"auspicious"},{"name":"Roga","start":"00:24","end":"01:39","startHours":24.407408370582775,"endHours":25.647725921601086,"quality":"inauspicious"},{"name":"Udveg","start":"01:39","end":"02:53","startHours":25.647725921601086,"endHours":26.888043472619398,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:08","startHours":26.888043472619398,"endHours":28.12836102363771,"quality":"neutral"},{"name":"Labha","start":"04:08","end":"05:22","startHours":28.12836102363771,"endHours":29.36867857465602,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.36867857465602,"endHours":6.36867857465602,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.36867857465602,"endHours":7.36867857465602,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.36867857465602,"endHours":8.36867857465602,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.36867857465602,"endHours":9.36867857465602,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.36867857465602,"endHours":10.36867857465602,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.36867857465602,"endHours":11.36867857465602,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.36867857465602,"endHours":12.36867857465602,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.36867857465602,"endHours":13.36867857465602,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.36867857465602,"endHours":14.36867857465602,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.36867857465602,"endHours":15.36867857465602,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.36867857465602,"endHours":16.36867857465602,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.36867857465602,"endHours":17.36867857465602,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.36867857465602,"endHours":18.36867857465602,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.36867857465602,"endHours":19.36867857465602,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.36867857465602,"endHours":20.36867857465602,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.36867857465602,"endHours":21.36867857465602,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.36867857465602,"endHours":22.36867857465602,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.36867857465602,"endHours":23.36867857465602,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.36867857465602,"endHours":24.36867857465602,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.36867857465602,"endHours":25.36867857465602,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.36867857465602,"endHours":26.36867857465602,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.36867857465602,"endHours":27.36867857465602,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.36867857465602,"endHours":28.36867857465602,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.36867857465602,"endHours":29.36867857465602,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","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":-21.854575162501465,"eotMinutes":-7.886502234966622,"ayanamsa":25.7811}},"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 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 Amāvasyā · Vikram 2195 Virodhakṛt · Śaka 2060 Vilambī"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 11, 2138 CE · Perth, Australia · Vidhyamitra","description":"January 11, 2138 CE for Perth, Australia: Kṛṣṇa Amāvasyā, sūryodaya 05:22, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2138-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2138-01-11","sa":"https://sa.vidhyamitra.com/city/perth/2138-01-11","hi":"https://hi.vidhyamitra.com/city/perth/2138-01-11","x-default":"https://vidhyamitra.com/city/perth/2138-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:37:47.471Z","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":"2026-05-31T01:37:47.471Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:37:47.471Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}