{"id":"vidhyamitra:city-day:perth:2157-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2157-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2157-02-12","date_display":"February 12, 2157 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":2157,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508930.770833,"kali_year":5258,"ahargana":1920465.2708,"sun":{"sidereal_longitude":297.1987,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":325.1437,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.945,"elapsed_within_tithi_degrees":3.945},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":325.1437,"elapsed_within_degrees":5.1437},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.3424},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":2157,"month":2,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508930.770833,"ahargana":1920465.2708,"kali_year":5258,"ayanamsa_lahiri":26.0478,"grahas":{"sun":{"sidereal_longitude":297.49245199999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":328.1764519999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":1.5845},"mars":{"sidereal_longitude":191.978252,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":302.983652,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":98.079252,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"venus":{"sidereal_longitude":295.141752,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":155.22445199999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":304.508,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":124.508,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"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":2157,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508930.770833,"kali_year":5258,"ahargana":1920465.2708,"sun":{"sidereal_longitude":297.1987,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":325.1437,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.945,"elapsed_within_tithi_degrees":3.945},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":325.1437,"elapsed_within_degrees":5.1437},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.3424},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.584,"elongation":27.945},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.584,"opposition_distance":152.055}},"eclipse_window_40days":[{"offset_days":-2,"type":"solar","occurs":true,"moon_latitude":-0.652,"elongation":1.108},{"offset_days":12,"type":"lunar","occurs":true,"moon_latitude":-0.338,"opposition_distance":1.188}]},"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":"05:52","sunsetLocal":"19:10","solarNoonLocal":"12:31","dayLengthHours":13.299921201896403,"dayLengthDisplay":"13 Hours 18 Mins 00 Secs","nightLengthDisplay":"10 Hours 42 Mins 00 Secs","moonriseLocal":"08:25","moonsetLocal":"20:42","rahuKala":{"name":"Rāhu Kāla","start":"09:12","end":"10:51","startHours":9.194231901107406,"endHours":10.856722051344455,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:11","end":"15:51","startHours":14.181702351818558,"endHours":15.844192502055607,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:52","end":"07:32","startHours":5.869251600633305,"endHours":7.5317417508703555,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:25","startHours":8.972566547742467,"endHours":9.415897254472346,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:47","startHours":6.423414984045655,"endHours":6.778079549429559,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.075881494851627,"endHours":12.962542908311386,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:59","startHours":4.095928773713784,"endHours":4.982590187173545,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:52","startHours":4.7609248338086045,"endHours":5.869251600633305,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:37","startHours":14.735865735230908,"endHours":15.622527148690668,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:58","end":"19:22","startHours":18.96917280252971,"endHours":19.369172802529707,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:10","end":"19:43","startHours":19.169172802529708,"endHours":19.72333618594206,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:55","end":"20:40","startHours":18.919172802529708,"endHours":20.669172802529708,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.075881494851625,"endHours":24.962542908311388,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:52","end":"07:32","startHours":5.869251600633305,"endHours":7.5317417508703555,"quality":"inauspicious"},{"name":"Śubha","start":"07:32","end":"09:12","startHours":7.5317417508703555,"endHours":9.194231901107406,"quality":"auspicious"},{"name":"Roga","start":"09:12","end":"10:51","startHours":9.194231901107406,"endHours":10.856722051344455,"quality":"inauspicious"},{"name":"Udveg","start":"10:51","end":"12:31","startHours":10.856722051344455,"endHours":12.519212201581507,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"14:11","startHours":12.519212201581507,"endHours":14.181702351818558,"quality":"neutral"},{"name":"Labha","start":"14:11","end":"15:51","startHours":14.181702351818558,"endHours":15.844192502055607,"quality":"auspicious"},{"name":"Amṛta","start":"15:51","end":"17:30","startHours":15.844192502055607,"endHours":17.506682652292657,"quality":"auspicious"},{"name":"Kāla","start":"17:30","end":"19:10","startHours":17.506682652292657,"endHours":19.169172802529708,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:10","end":"20:30","startHours":19.169172802529708,"endHours":20.506682652292657,"quality":"auspicious"},{"name":"Amṛta","start":"20:30","end":"21:51","startHours":20.506682652292657,"endHours":21.844192502055606,"quality":"auspicious"},{"name":"Kāla","start":"21:51","end":"23:11","startHours":21.844192502055606,"endHours":23.181702351818558,"quality":"inauspicious"},{"name":"Śubha","start":"23:11","end":"00:31","startHours":23.181702351818558,"endHours":24.519212201581507,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"01:51","startHours":24.519212201581507,"endHours":25.856722051344455,"quality":"inauspicious"},{"name":"Udveg","start":"01:51","end":"03:12","startHours":25.856722051344455,"endHours":27.194231901107408,"quality":"inauspicious"},{"name":"Chala","start":"03:12","end":"04:32","startHours":27.194231901107408,"endHours":28.531741750870356,"quality":"neutral"},{"name":"Labha","start":"04:32","end":"05:52","startHours":28.531741750870356,"endHours":29.869251600633305,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.869251600633305,"endHours":6.869251600633305,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.869251600633305,"endHours":7.869251600633305,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.869251600633305,"endHours":8.869251600633305,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.869251600633305,"endHours":9.869251600633305,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.869251600633305,"endHours":10.869251600633305,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.869251600633305,"endHours":11.869251600633305,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.869251600633305,"endHours":12.869251600633305,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.869251600633305,"endHours":13.869251600633305,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.869251600633305,"endHours":14.869251600633305,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.869251600633305,"endHours":15.869251600633305,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.869251600633305,"endHours":16.869251600633305,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.869251600633305,"endHours":17.869251600633305,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.869251600633305,"endHours":18.869251600633305,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.869251600633305,"endHours":19.869251600633305,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.869251600633305,"endHours":20.869251600633305,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.869251600633305,"endHours":21.869251600633305,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.869251600633305,"endHours":22.869251600633305,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.869251600633305,"endHours":23.869251600633305,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.869251600633305,"endHours":24.869251600633305,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.869251600633305,"endHours":25.869251600633305,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.869251600633305,"endHours":26.869251600633305,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.869251600633305,"endHours":27.869251600633305,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.869251600633305,"endHours":28.869251600633305,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.869251600633305,"endHours":29.869251600633305,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","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":-13.67154774930198,"eotMinutes":-14.594732094890398,"ayanamsa":26.0478}},"calendars":{"vikram_samvat":2214,"vikram_samvatsara":"Pramoda","saka_samvat":2079,"saka_samvatsara":"Piṅgala","bengali_samvat":1564,"malayalam_era":1333,"nanakshahi_year":688,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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 Śukla Tṛtīyā · Vikram 2214 Pramoda · Śaka 2079 Piṅgala"},"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":[]},"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 February 12, 2157 CE · Perth, Australia · Vidhyamitra","description":"February 12, 2157 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 05:52, sūryāsta 19:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2157-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2157-02-12","sa":"https://sa.vidhyamitra.com/city/perth/2157-02-12","hi":"https://hi.vidhyamitra.com/city/perth/2157-02-12","x-default":"https://vidhyamitra.com/city/perth/2157-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:34:52.328Z","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":"2026-06-01T20:34:52.328Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:34:52.328Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}