{"id":"vidhyamitra:city-day:perth:1861-01-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1861-01-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1861-01-30","date_display":"January 30, 1861 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":1861,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2400805.770833,"kali_year":4962,"ahargana":1812340.2708,"sun":{"sidereal_longitude":288.6247,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":151.2186,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.594,"elapsed_within_tithi_degrees":6.594},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.2186,"elapsed_within_degrees":4.552},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":79.8433},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1861,"month":1,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2400805.770833,"ahargana":1812340.2708,"kali_year":4962,"ayanamsa_lahiri":21.9124,"grahas":{"sun":{"sidereal_longitude":288.28262199999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":153.25992199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-3.8037},"mars":{"sidereal_longitude":357.308522,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":289.254222,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":122.755922,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":264.95072200000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":137.297622,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":273.4909,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":93.4909,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1861,"month":1,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2400805.770833,"kali_year":4962,"ahargana":1812340.2708,"sun":{"sidereal_longitude":288.6247,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":151.2186,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.594,"elapsed_within_tithi_degrees":6.594},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.2186,"elapsed_within_degrees":4.552},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":79.8433},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.804,"elongation":137.406},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.804,"opposition_distance":42.594}},"eclipse_window_40days":[{"offset_days":-19,"type":"solar","occurs":true,"moon_latitude":-0.381,"elongation":0.484},{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":-1.146,"opposition_distance":2.865}]},"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":"05:40","sunsetLocal":"19:20","solarNoonLocal":"12:30","dayLengthHours":13.669957099293866,"dayLengthDisplay":"13 Hours 40 Mins 12 Secs","nightLengthDisplay":"10 Hours 19 Mins 48 Secs","moonriseLocal":"21:32","moonsetLocal":"09:28","rahuKala":{"name":"Rāhu Kāla","start":"12:30","end":"14:12","startHours":12.498585766262742,"endHours":14.207330403674476,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:22","end":"09:05","startHours":7.372351854027544,"endHours":9.081096491439277,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:47","end":"12:30","startHours":10.789841128851009,"endHours":12.498585766262742,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:19","startHours":8.853263873117712,"endHours":9.308929109760841,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:36","startHours":6.233188762419721,"endHours":6.597720951734225,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:57","startHours":12.042920529619614,"endHours":12.95425100290587,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:50","end":"04:45","startHours":3.840946270043295,"endHours":4.752276743329553,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:40","startHours":4.524444125007989,"endHours":5.6636072166158105,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:41","startHours":14.776911949478388,"endHours":15.688242422764645,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.133564315909677,"endHours":19.533564315909675,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:54","startHours":19.333564315909676,"endHours":19.903145861713586,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.083564315909676,"endHours":20.833564315909676,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:57","startHours":24.042920529619614,"endHours":24.95425100290587,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:40","end":"07:22","startHours":5.6636072166158105,"endHours":7.372351854027544,"quality":"auspicious"},{"name":"Amṛta","start":"07:22","end":"09:05","startHours":7.372351854027544,"endHours":9.081096491439277,"quality":"auspicious"},{"name":"Kāla","start":"09:05","end":"10:47","startHours":9.081096491439277,"endHours":10.789841128851009,"quality":"inauspicious"},{"name":"Śubha","start":"10:47","end":"12:30","startHours":10.789841128851009,"endHours":12.498585766262742,"quality":"auspicious"},{"name":"Roga","start":"12:30","end":"14:12","startHours":12.498585766262742,"endHours":14.207330403674476,"quality":"inauspicious"},{"name":"Udveg","start":"14:12","end":"15:55","startHours":14.207330403674476,"endHours":15.91607504108621,"quality":"inauspicious"},{"name":"Chala","start":"15:55","end":"17:37","startHours":15.91607504108621,"endHours":17.624819678497943,"quality":"neutral"},{"name":"Labha","start":"17:37","end":"19:20","startHours":17.624819678497943,"endHours":19.333564315909676,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:20","end":"20:37","startHours":19.333564315909676,"endHours":20.624819678497943,"quality":"inauspicious"},{"name":"Chala","start":"20:37","end":"21:55","startHours":20.624819678497943,"endHours":21.91607504108621,"quality":"neutral"},{"name":"Labha","start":"21:55","end":"23:12","startHours":21.91607504108621,"endHours":23.207330403674476,"quality":"auspicious"},{"name":"Amṛta","start":"23:12","end":"00:30","startHours":23.207330403674476,"endHours":24.498585766262742,"quality":"auspicious"},{"name":"Kāla","start":"00:30","end":"01:47","startHours":24.498585766262742,"endHours":25.78984112885101,"quality":"inauspicious"},{"name":"Śubha","start":"01:47","end":"03:05","startHours":25.78984112885101,"endHours":27.081096491439276,"quality":"auspicious"},{"name":"Roga","start":"03:05","end":"04:22","startHours":27.081096491439276,"endHours":28.372351854027542,"quality":"inauspicious"},{"name":"Udveg","start":"04:22","end":"05:40","startHours":28.372351854027542,"endHours":29.66360721661581,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.6636072166158105,"endHours":6.6636072166158105,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.6636072166158105,"endHours":7.6636072166158105,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.6636072166158105,"endHours":8.66360721661581,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.66360721661581,"endHours":9.66360721661581,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.66360721661581,"endHours":10.66360721661581,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.66360721661581,"endHours":11.66360721661581,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.66360721661581,"endHours":12.66360721661581,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.66360721661581,"endHours":13.66360721661581,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.66360721661581,"endHours":14.66360721661581,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.66360721661581,"endHours":15.66360721661581,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.66360721661581,"endHours":16.66360721661581,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.66360721661581,"endHours":17.66360721661581,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.66360721661581,"endHours":18.66360721661581,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.66360721661581,"endHours":19.66360721661581,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.66360721661581,"endHours":20.66360721661581,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.66360721661581,"endHours":21.66360721661581,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.66360721661581,"endHours":22.66360721661581,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.66360721661581,"endHours":23.66360721661581,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.66360721661581,"endHours":24.66360721661581,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.66360721661581,"endHours":25.66360721661581,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.66360721661581,"endHours":26.66360721661581,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.66360721661581,"endHours":27.66360721661581,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.66360721661581,"endHours":28.66360721661581,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.66360721661581,"endHours":29.66360721661581,"planetary_lord":"Sun"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.68651146621185,"eotMinutes":-13.357145975764517,"ayanamsa":21.9124}},"calendars":{"vikram_samvat":1918,"vikram_samvatsara":"Bhāva","saka_samvat":1783,"saka_samvatsara":"Durmati","bengali_samvat":1268,"malayalam_era":1037,"nanakshahi_year":392,"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 Caturthī · Vikram 1918 Bhāva · Śaka 1783 Durmati"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 30, 1861 CE · Perth, Australia · Vidhyamitra","description":"January 30, 1861 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 05:40, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1861-01-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1861-01-30","sa":"https://sa.vidhyamitra.com/city/perth/1861-01-30","hi":"https://hi.vidhyamitra.com/city/perth/1861-01-30","x-default":"https://vidhyamitra.com/city/perth/1861-01-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T09:44:00.083Z","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":"2026-06-03T09:44:00.083Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T09:44:00.083Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}