{"id":"vidhyamitra:city-day:perth:1881-01-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1881-01-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1881-01-29","date_display":"January 29, 1881 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":1881,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408109.770833,"kali_year":4982,"ahargana":1819644.2708,"sun":{"sidereal_longitude":287.4239,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":274.817,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.3931,"elapsed_within_tithi_degrees":11.3931},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.817,"elapsed_within_degrees":8.1503},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.2409},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":1881,"month":1,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2408109.770833,"ahargana":1819644.2708,"kali_year":4982,"ayanamsa_lahiri":22.1918,"grahas":{"sun":{"sidereal_longitude":287.13605499999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":273.13385500000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":2.1336},"mars":{"sidereal_longitude":260.369555,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":290.75735499999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":353.712555,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":333.970455,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":1.9580550000000017,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":246.4898,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":66.4898,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":1881,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2408109.770833,"kali_year":4982,"ahargana":1819644.2708,"sun":{"sidereal_longitude":287.4239,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":274.817,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":347.3931,"elapsed_within_tithi_degrees":11.3931},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.817,"elapsed_within_degrees":8.1503},"yoga":{"number":16,"name":"Siddhi","sum_longitude":202.2409},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.134,"elongation":12.607},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.134,"opposition_distance":167.393}},"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":"05:39","sunsetLocal":"19:20","solarNoonLocal":"12:30","dayLengthHours":13.691917884705184,"dayLengthDisplay":"13 Hours 41 Mins 31 Secs","nightLengthDisplay":"10 Hours 18 Mins 29 Secs","moonriseLocal":"04:35","moonsetLocal":"18:32","rahuKala":{"name":"Rāhu Kāla","start":"09:04","end":"10:47","startHours":9.072522561702273,"endHours":10.78401229729042,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:12","end":"15:55","startHours":14.206991768466718,"endHours":15.918481504054865,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:39","end":"07:22","startHours":5.649543090525977,"endHours":7.361032826114125,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:18","startHours":8.844323930290521,"endHours":9.300721193114025,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:35","startHours":6.22003966905536,"endHours":6.585157479314165,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:57","startHours":12.039104770055063,"endHours":12.951899295702075,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:44","startHours":3.823954039231953,"endHours":4.736748564878965,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:39","startHours":4.508549933467212,"endHours":5.649543090525977,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:41","startHours":14.7774883469961,"endHours":15.690282872643111,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.141460975231162,"endHours":19.54146097523116,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:55","startHours":19.34146097523116,"endHours":19.911957553760544,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.09146097523116,"endHours":20.84146097523116,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:57","startHours":24.03910477005506,"endHours":24.951899295702077,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:39","end":"07:22","startHours":5.649543090525977,"endHours":7.361032826114125,"quality":"inauspicious"},{"name":"Śubha","start":"07:22","end":"09:04","startHours":7.361032826114125,"endHours":9.072522561702273,"quality":"auspicious"},{"name":"Roga","start":"09:04","end":"10:47","startHours":9.072522561702273,"endHours":10.78401229729042,"quality":"inauspicious"},{"name":"Udveg","start":"10:47","end":"12:30","startHours":10.78401229729042,"endHours":12.49550203287857,"quality":"inauspicious"},{"name":"Chala","start":"12:30","end":"14:12","startHours":12.49550203287857,"endHours":14.206991768466718,"quality":"neutral"},{"name":"Labha","start":"14:12","end":"15:55","startHours":14.206991768466718,"endHours":15.918481504054865,"quality":"auspicious"},{"name":"Amṛta","start":"15:55","end":"17:38","startHours":15.918481504054865,"endHours":17.629971239643012,"quality":"auspicious"},{"name":"Kāla","start":"17:38","end":"19:20","startHours":17.629971239643012,"endHours":19.34146097523116,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:20","end":"20:38","startHours":19.34146097523116,"endHours":20.629971239643012,"quality":"auspicious"},{"name":"Amṛta","start":"20:38","end":"21:55","startHours":20.629971239643012,"endHours":21.918481504054867,"quality":"auspicious"},{"name":"Kāla","start":"21:55","end":"23:12","startHours":21.918481504054867,"endHours":23.206991768466718,"quality":"inauspicious"},{"name":"Śubha","start":"23:12","end":"00:30","startHours":23.206991768466718,"endHours":24.49550203287857,"quality":"auspicious"},{"name":"Roga","start":"00:30","end":"01:47","startHours":24.49550203287857,"endHours":25.78401229729042,"quality":"inauspicious"},{"name":"Udveg","start":"01:47","end":"03:04","startHours":25.78401229729042,"endHours":27.07252256170227,"quality":"inauspicious"},{"name":"Chala","start":"03:04","end":"04:22","startHours":27.07252256170227,"endHours":28.361032826114126,"quality":"neutral"},{"name":"Labha","start":"04:22","end":"05:39","startHours":28.361032826114126,"endHours":29.649543090525977,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:39","end":"06:39","startHours":5.649543090525977,"endHours":6.649543090525977,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:39","end":"07:39","startHours":6.649543090525977,"endHours":7.649543090525977,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:39","end":"08:39","startHours":7.649543090525977,"endHours":8.649543090525977,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:39","end":"09:39","startHours":8.649543090525977,"endHours":9.649543090525977,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:39","end":"10:39","startHours":9.649543090525977,"endHours":10.649543090525977,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:39","end":"11:39","startHours":10.649543090525977,"endHours":11.649543090525977,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:39","end":"12:39","startHours":11.649543090525977,"endHours":12.649543090525977,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:39","end":"13:39","startHours":12.649543090525977,"endHours":13.649543090525977,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:39","end":"14:39","startHours":13.649543090525977,"endHours":14.649543090525977,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:39","end":"15:39","startHours":14.649543090525977,"endHours":15.649543090525977,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:39","end":"16:39","startHours":15.649543090525977,"endHours":16.649543090525977,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:39","end":"17:39","startHours":16.649543090525977,"endHours":17.649543090525977,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:39","end":"18:39","startHours":17.649543090525977,"endHours":18.649543090525977,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:39","end":"19:39","startHours":18.649543090525977,"endHours":19.649543090525977,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:39","end":"20:39","startHours":19.649543090525977,"endHours":20.649543090525977,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:39","end":"21:39","startHours":20.649543090525977,"endHours":21.649543090525977,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:39","end":"22:39","startHours":21.649543090525977,"endHours":22.649543090525977,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:39","end":"23:39","startHours":22.649543090525977,"endHours":23.649543090525977,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:39","end":"00:39","startHours":23.649543090525977,"endHours":24.649543090525977,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:39","end":"01:39","startHours":24.649543090525977,"endHours":25.649543090525977,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:39","end":"02:39","startHours":25.649543090525977,"endHours":26.649543090525977,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:39","end":"03:39","startHours":26.649543090525977,"endHours":27.649543090525977,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:39","end":"04:39","startHours":27.649543090525977,"endHours":28.649543090525977,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:39","end":"05:39","startHours":28.649543090525977,"endHours":29.649543090525977,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.918199199255884,"eotMinutes":-13.172121972714217,"ayanamsa":22.1918}},"calendars":{"vikram_samvat":1938,"vikram_samvatsara":"Jaya","saka_samvat":1803,"saka_samvatsara":"Vṛṣa","bengali_samvat":1288,"malayalam_era":1057,"nanakshahi_year":412,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturdaśī · Vikram 1938 Jaya · Śaka 1803 Vṛṣa"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[]},"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 29, 1881 CE · Perth, Australia · Vidhyamitra","description":"January 29, 1881 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 05:39, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1881-01-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1881-01-29","sa":"https://sa.vidhyamitra.com/city/perth/1881-01-29","hi":"https://hi.vidhyamitra.com/city/perth/1881-01-29","x-default":"https://vidhyamitra.com/city/perth/1881-01-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T08:20:28.726Z","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":"2026-06-02T08:20:28.726Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T08:20:28.726Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}