{"id":"vidhyamitra:city-day:perth:1961-01-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1961-01-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1961-01-08","date_display":"January 8, 1961 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":1961,"month":1,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437307.770833,"kali_year":5062,"ahargana":1848842.2708,"sun":{"sidereal_longitude":264.1448,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":154.2849,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.1401,"elapsed_within_tithi_degrees":10.1401},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":154.2849,"elapsed_within_degrees":7.6183},"yoga":{"number":5,"name":"Śobhana","sum_longitude":58.4298},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":1961,"month":1,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2437307.770833,"ahargana":1848842.2708,"kali_year":5062,"ayanamsa_lahiri":23.3085,"grahas":{"sun":{"sidereal_longitude":264.22057700000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":150.33907699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":1.1519},"mars":{"sidereal_longitude":72.74607700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":266.082277,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":263.179577,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":310.49057700000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":267.679577,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":139.4392,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":319.4392,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1961,"month":1,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437307.770833,"kali_year":5062,"ahargana":1848842.2708,"sun":{"sidereal_longitude":264.1448,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":154.2849,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.1401,"elapsed_within_tithi_degrees":10.1401},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":154.2849,"elapsed_within_degrees":7.6183},"yoga":{"number":5,"name":"Śobhana","sum_longitude":58.4298},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.152,"elongation":109.86},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.152,"opposition_distance":70.14}},"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":"05:20","sunsetLocal":"19:27","solarNoonLocal":"12:23","dayLengthHours":14.121520560422532,"dayLengthDisplay":"14 Hours 07 Mins 17 Secs","nightLengthDisplay":"9 Hours 52 Mins 43 Secs","moonriseLocal":"22:51","moonsetLocal":"10:44","rahuKala":{"name":"Rāhu Kāla","start":"17:41","end":"19:27","startHours":17.683232770713904,"endHours":19.44842284076672,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:23","end":"14:09","startHours":12.387662560555455,"endHours":14.152852630608272,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:55","end":"17:41","startHours":15.918042700661086,"endHours":17.683232770713904,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:06","startHours":8.621923744442778,"endHours":9.092641096456862,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:55","end":"06:18","startHours":5.9152989703617935,"endHours":6.291872851973061,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:52","startHours":11.916945208541371,"endHours":12.85837991256954,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:27","end":"04:23","startHours":3.444032872287851,"endHours":4.385467576316019,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:09","end":"05:20","startHours":4.150108900308977,"endHours":5.326902280344188,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:41","startHours":14.741249320625876,"endHours":15.682684024654044,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.24842284076672,"endHours":19.64842284076672,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.44842284076672,"endHours":20.036819530784328,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.19842284076672,"endHours":20.94842284076672,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:52","startHours":23.91694520854137,"endHours":24.85837991256954,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:20","end":"07:06","startHours":5.326902280344188,"endHours":7.092092350397005,"quality":"inauspicious"},{"name":"Chala","start":"07:06","end":"08:51","startHours":7.092092350397005,"endHours":8.85728242044982,"quality":"neutral"},{"name":"Labha","start":"08:51","end":"10:37","startHours":8.85728242044982,"endHours":10.622472490502638,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"12:23","startHours":10.622472490502638,"endHours":12.387662560555455,"quality":"auspicious"},{"name":"Kāla","start":"12:23","end":"14:09","startHours":12.387662560555455,"endHours":14.152852630608272,"quality":"inauspicious"},{"name":"Śubha","start":"14:09","end":"15:55","startHours":14.152852630608272,"endHours":15.918042700661086,"quality":"auspicious"},{"name":"Roga","start":"15:55","end":"17:41","startHours":15.918042700661086,"endHours":17.683232770713904,"quality":"inauspicious"},{"name":"Udveg","start":"17:41","end":"19:27","startHours":17.683232770713904,"endHours":19.44842284076672,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:27","end":"20:41","startHours":19.44842284076672,"endHours":20.683232770713904,"quality":"auspicious"},{"name":"Roga","start":"20:41","end":"21:55","startHours":20.683232770713904,"endHours":21.91804270066109,"quality":"inauspicious"},{"name":"Udveg","start":"21:55","end":"23:09","startHours":21.91804270066109,"endHours":23.152852630608272,"quality":"inauspicious"},{"name":"Chala","start":"23:09","end":"00:23","startHours":23.152852630608272,"endHours":24.387662560555455,"quality":"neutral"},{"name":"Labha","start":"00:23","end":"01:37","startHours":24.387662560555455,"endHours":25.622472490502638,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"02:51","startHours":25.622472490502638,"endHours":26.85728242044982,"quality":"auspicious"},{"name":"Kāla","start":"02:51","end":"04:06","startHours":26.85728242044982,"endHours":28.092092350397007,"quality":"inauspicious"},{"name":"Śubha","start":"04:06","end":"05:20","startHours":28.092092350397007,"endHours":29.32690228034419,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:20","end":"06:20","startHours":5.326902280344188,"endHours":6.326902280344188,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:20","end":"07:20","startHours":6.326902280344188,"endHours":7.326902280344188,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:20","end":"08:20","startHours":7.326902280344188,"endHours":8.32690228034419,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:20","end":"09:20","startHours":8.32690228034419,"endHours":9.32690228034419,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:20","end":"10:20","startHours":9.32690228034419,"endHours":10.32690228034419,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:20","end":"11:20","startHours":10.32690228034419,"endHours":11.32690228034419,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:20","end":"12:20","startHours":11.32690228034419,"endHours":12.32690228034419,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:20","end":"13:20","startHours":12.32690228034419,"endHours":13.32690228034419,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:20","end":"14:20","startHours":13.32690228034419,"endHours":14.32690228034419,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:20","end":"15:20","startHours":14.32690228034419,"endHours":15.32690228034419,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:20","end":"16:20","startHours":15.32690228034419,"endHours":16.32690228034419,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:20","end":"17:20","startHours":16.32690228034419,"endHours":17.32690228034419,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:20","end":"18:20","startHours":17.32690228034419,"endHours":18.32690228034419,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:20","end":"19:20","startHours":18.32690228034419,"endHours":19.32690228034419,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:20","end":"20:20","startHours":19.32690228034419,"endHours":20.32690228034419,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:20","end":"21:20","startHours":20.32690228034419,"endHours":21.32690228034419,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:20","end":"22:20","startHours":21.32690228034419,"endHours":22.32690228034419,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:20","end":"23:20","startHours":22.32690228034419,"endHours":23.32690228034419,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:20","end":"00:20","startHours":23.32690228034419,"endHours":24.32690228034419,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:20","end":"01:20","startHours":24.32690228034419,"endHours":25.32690228034419,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:20","end":"02:20","startHours":25.32690228034419,"endHours":26.32690228034419,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:20","end":"03:20","startHours":26.32690228034419,"endHours":27.32690228034419,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:20","end":"04:20","startHours":27.32690228034419,"endHours":28.32690228034419,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:20","end":"05:20","startHours":28.32690228034419,"endHours":29.32690228034419,"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","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":-22.288066227648567,"eotMinutes":-6.7017536333273355,"ayanamsa":23.3085}},"calendars":{"vikram_samvat":2018,"vikram_samvatsara":"Ānanda","saka_samvat":1883,"saka_samvatsara":"Plava","bengali_samvat":1368,"malayalam_era":1137,"nanakshahi_year":492,"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":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ṣaṣṭhī · Vikram 2018 Ānanda · Śaka 1883 Plava"},"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 8, 1961 CE · Perth, Australia · Vidhyamitra","description":"January 8, 1961 CE for Perth, Australia: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:20, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1961-01-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1961-01-08","sa":"https://sa.vidhyamitra.com/city/perth/1961-01-08","hi":"https://hi.vidhyamitra.com/city/perth/1961-01-08","x-default":"https://vidhyamitra.com/city/perth/1961-01-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:39:38.700Z","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":"2026-06-01T19:39:38.700Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:39:38.700Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}