{"id":"vidhyamitra:city-day:perth:-3136-02-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/-3136-02-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3136-02-22","date_display":"February 22, 3137 BCE","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":-3136,"month":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575685.770833,"kali_year":-34,"ahargana":-12779.7292,"sun":{"sidereal_longitude":6.4991,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":91.2871,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.788,"elapsed_within_tithi_degrees":0.788},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.2871,"elapsed_within_degrees":11.2871},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":97.7861},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":-3136,"month":2,"day":22,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575685.770833,"ahargana":-12779.7292,"kali_year":-34,"ayanamsa_lahiri":-47.8916,"grahas":{"sun":{"sidereal_longitude":6.4991,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":91.2871,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-3.2269},"mars":{"sidereal_longitude":104.8949,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":339.7154,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":18.5375,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":22.2772,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":290.9217,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":137.1316,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":317.1316,"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":-3136,"month":2,"day":22,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575685.770833,"kali_year":-34,"ahargana":-12779.7292,"sun":{"sidereal_longitude":6.4991,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":91.2871,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.788,"elapsed_within_tithi_degrees":0.788},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":91.2871,"elapsed_within_degrees":11.2871},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":97.7861},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.227,"elongation":84.788},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.227,"opposition_distance":95.212}},"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":"05:47","sunsetLocal":"19:14","solarNoonLocal":"12:31","dayLengthHours":13.44293879904366,"dayLengthDisplay":"13 Hours 26 Mins 35 Secs","nightLengthDisplay":"10 Hours 33 Mins 25 Secs","moonriseLocal":"12:48","moonsetLocal":"23:32","rahuKala":{"name":"Rāhu Kāla","start":"17:33","end":"19:14","startHours":17.551814715556247,"endHours":19.232182065436707,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"14:11","startHours":12.510712665914877,"endHours":14.191080015795333,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:52","end":"17:33","startHours":15.871447365675792,"endHours":17.551814715556247,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:22","startHours":8.9259289861699,"endHours":9.374026946138022,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:42","startHours":6.349365716353199,"endHours":6.7078440843276965,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.062614705946755,"endHours":12.958810625882998,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:54","startHours":3.9968514265205584,"endHours":4.893047346456802,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:47","startHours":4.668998366472741,"endHours":5.789243266393046,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:39","startHours":14.751202465755487,"endHours":15.64739838569173,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.032182065436707,"endHours":19.432182065436706,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:48","startHours":19.232182065436707,"endHours":19.792304515396857,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.982182065436707,"endHours":20.732182065436707,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.062614705946753,"endHours":24.958810625883,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:47","end":"07:28","startHours":5.789243266393046,"endHours":7.469610616273504,"quality":"inauspicious"},{"name":"Chala","start":"07:28","end":"09:09","startHours":7.469610616273504,"endHours":9.149977966153962,"quality":"neutral"},{"name":"Labha","start":"09:09","end":"10:50","startHours":9.149977966153962,"endHours":10.830345316034418,"quality":"auspicious"},{"name":"Amṛta","start":"10:50","end":"12:31","startHours":10.830345316034418,"endHours":12.510712665914877,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"14:11","startHours":12.510712665914877,"endHours":14.191080015795333,"quality":"inauspicious"},{"name":"Śubha","start":"14:11","end":"15:52","startHours":14.191080015795333,"endHours":15.871447365675792,"quality":"auspicious"},{"name":"Roga","start":"15:52","end":"17:33","startHours":15.871447365675792,"endHours":17.551814715556247,"quality":"inauspicious"},{"name":"Udveg","start":"17:33","end":"19:14","startHours":17.551814715556247,"endHours":19.232182065436707,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:14","end":"20:33","startHours":19.232182065436707,"endHours":20.551814715556247,"quality":"auspicious"},{"name":"Roga","start":"20:33","end":"21:52","startHours":20.551814715556247,"endHours":21.87144736567579,"quality":"inauspicious"},{"name":"Udveg","start":"21:52","end":"23:11","startHours":21.87144736567579,"endHours":23.191080015795336,"quality":"inauspicious"},{"name":"Chala","start":"23:11","end":"00:31","startHours":23.191080015795336,"endHours":24.510712665914877,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"01:50","startHours":24.510712665914877,"endHours":25.830345316034418,"quality":"auspicious"},{"name":"Amṛta","start":"01:50","end":"03:09","startHours":25.830345316034418,"endHours":27.149977966153962,"quality":"auspicious"},{"name":"Kāla","start":"03:09","end":"04:28","startHours":27.149977966153962,"endHours":28.469610616273506,"quality":"inauspicious"},{"name":"Śubha","start":"04:28","end":"05:47","startHours":28.469610616273506,"endHours":29.789243266393047,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.789243266393046,"endHours":6.789243266393046,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.789243266393046,"endHours":7.789243266393046,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.789243266393046,"endHours":8.789243266393047,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.789243266393047,"endHours":9.789243266393047,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.789243266393047,"endHours":10.789243266393047,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.789243266393047,"endHours":11.789243266393047,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.789243266393047,"endHours":12.789243266393047,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.789243266393047,"endHours":13.789243266393047,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.789243266393047,"endHours":14.789243266393047,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.789243266393047,"endHours":15.789243266393047,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.789243266393047,"endHours":16.789243266393047,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.789243266393047,"endHours":17.789243266393047,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.789243266393047,"endHours":18.789243266393047,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.789243266393047,"endHours":19.789243266393047,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.789243266393047,"endHours":20.789243266393047,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.789243266393047,"endHours":21.789243266393047,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.789243266393047,"endHours":22.789243266393047,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.789243266393047,"endHours":23.789243266393047,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.789243266393047,"endHours":24.789243266393047,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.789243266393047,"endHours":25.789243266393047,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.789243266393047,"endHours":26.789243266393047,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.789243266393047,"endHours":27.789243266393047,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.789243266393047,"endHours":28.789243266393047,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.789243266393047,"endHours":29.789243266393047,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"undefined (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.247323209931617,"eotMinutes":-14.08475995489261,"ayanamsa":-47.8916}},"calendars":{"vikram_samvat":-3079,"saka_samvat":-3214,"bengali_samvat":-3729,"malayalam_era":-3960,"nanakshahi_year":-4605,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Aṣṭamī · Vikram -3079 undefined · Śaka -3214 undefined"},"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":true,"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 February 22, 3137 BCE · Perth, Australia · Vidhyamitra","description":"February 22, 3137 BCE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 05:47, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/-3136-02-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/-3136-02-22","sa":"https://sa.vidhyamitra.com/city/perth/-3136-02-22","hi":"https://hi.vidhyamitra.com/city/perth/-3136-02-22","x-default":"https://vidhyamitra.com/city/perth/-3136-02-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:34:58.189Z","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":"2026-05-31T09:34:58.189Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:34:58.189Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}