{"id":"vidhyamitra:city-day:perth:-3136-02-03:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/-3136-02-03","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3136-02-03","date_display":"February 3, 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":3,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575666.770833,"kali_year":-35,"ahargana":-12798.7292,"sun":{"sidereal_longitude":347.9083,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":194.4003,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.4921,"elapsed_within_tithi_degrees":2.4921},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.4003,"elapsed_within_degrees":7.7337},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.3086},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":3,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575666.770833,"ahargana":-12798.7292,"kali_year":-35,"ayanamsa_lahiri":-47.8923,"grahas":{"sun":{"sidereal_longitude":347.9083,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":194.4003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":3.741},"mars":{"sidereal_longitude":100.039,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":329.668,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":14.1413,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":358.8002,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":289.5908,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":138.1383,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.1383,"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":3,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575666.770833,"kali_year":-35,"ahargana":-12798.7292,"sun":{"sidereal_longitude":347.9083,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":194.4003,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.4921,"elapsed_within_tithi_degrees":2.4921},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.4003,"elapsed_within_degrees":7.7337},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.3086},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.741,"elongation":153.508},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.741,"opposition_distance":26.492}},"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":"05:33","sunsetLocal":"19:28","solarNoonLocal":"12:31","dayLengthHours":13.906921764632479,"dayLengthDisplay":"13 Hours 54 Mins 25 Secs","nightLengthDisplay":"10 Hours 05 Mins 35 Secs","moonriseLocal":"20:46","moonsetLocal":"07:47","rahuKala":{"name":"Rāhu Kāla","start":"15:59","end":"17:43","startHours":15.985538480305621,"endHours":17.72390370088468,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:02","end":"10:46","startHours":9.032077597989382,"endHours":10.77044281856844,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"14:15","startHours":12.5088080391475,"endHours":14.247173259726559,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:16","startHours":8.80029556857884,"endHours":9.263859627399922,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:30","startHours":6.134802230357614,"endHours":6.50565347741448,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:58","startHours":12.045243980326417,"endHours":12.972372097968583,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:42","end":"04:38","startHours":3.7010909215469305,"endHours":4.628219039189096,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:24","end":"05:33","startHours":4.396437009778555,"endHours":5.555347156831261,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:50","end":"15:45","startHours":14.826628333252913,"endHours":15.753756450895079,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:16","end":"19:40","startHours":19.26226892146374,"endHours":19.66226892146374,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:28","end":"20:03","startHours":19.46226892146374,"endHours":20.041723994990093,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:13","end":"20:58","startHours":19.21226892146374,"endHours":20.96226892146374,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:58","startHours":24.04524398032642,"endHours":24.97237209796858,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:33","end":"07:18","startHours":5.555347156831261,"endHours":7.293712377410321,"quality":"inauspicious"},{"name":"Udveg","start":"07:18","end":"09:02","startHours":7.293712377410321,"endHours":9.032077597989382,"quality":"inauspicious"},{"name":"Chala","start":"09:02","end":"10:46","startHours":9.032077597989382,"endHours":10.77044281856844,"quality":"neutral"},{"name":"Labha","start":"10:46","end":"12:31","startHours":10.77044281856844,"endHours":12.5088080391475,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"14:15","startHours":12.5088080391475,"endHours":14.247173259726559,"quality":"auspicious"},{"name":"Kāla","start":"14:15","end":"15:59","startHours":14.247173259726559,"endHours":15.985538480305621,"quality":"inauspicious"},{"name":"Śubha","start":"15:59","end":"17:43","startHours":15.985538480305621,"endHours":17.72390370088468,"quality":"auspicious"},{"name":"Roga","start":"17:43","end":"19:28","startHours":17.72390370088468,"endHours":19.46226892146374,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:28","end":"20:43","startHours":19.46226892146374,"endHours":20.72390370088468,"quality":"inauspicious"},{"name":"Śubha","start":"20:43","end":"21:59","startHours":20.72390370088468,"endHours":21.98553848030562,"quality":"auspicious"},{"name":"Roga","start":"21:59","end":"23:15","startHours":21.98553848030562,"endHours":23.24717325972656,"quality":"inauspicious"},{"name":"Udveg","start":"23:15","end":"00:31","startHours":23.24717325972656,"endHours":24.5088080391475,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"01:46","startHours":24.5088080391475,"endHours":25.77044281856844,"quality":"neutral"},{"name":"Labha","start":"01:46","end":"03:02","startHours":25.77044281856844,"endHours":27.032077597989378,"quality":"auspicious"},{"name":"Amṛta","start":"03:02","end":"04:18","startHours":27.032077597989378,"endHours":28.29371237741032,"quality":"auspicious"},{"name":"Kāla","start":"04:18","end":"05:33","startHours":28.29371237741032,"endHours":29.55534715683126,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:33","end":"06:33","startHours":5.555347156831261,"endHours":6.555347156831261,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:33","end":"07:33","startHours":6.555347156831261,"endHours":7.555347156831261,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:33","end":"08:33","startHours":7.555347156831261,"endHours":8.55534715683126,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:33","end":"09:33","startHours":8.55534715683126,"endHours":9.55534715683126,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:33","end":"10:33","startHours":9.55534715683126,"endHours":10.55534715683126,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:33","end":"11:33","startHours":10.55534715683126,"endHours":11.55534715683126,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:33","end":"12:33","startHours":11.55534715683126,"endHours":12.55534715683126,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:33","end":"13:33","startHours":12.55534715683126,"endHours":13.55534715683126,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:33","end":"14:33","startHours":13.55534715683126,"endHours":14.55534715683126,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:33","end":"15:33","startHours":14.55534715683126,"endHours":15.55534715683126,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:33","end":"16:33","startHours":15.55534715683126,"endHours":16.55534715683126,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:33","end":"17:33","startHours":16.55534715683126,"endHours":17.55534715683126,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:33","end":"18:33","startHours":17.55534715683126,"endHours":18.55534715683126,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:33","end":"19:33","startHours":18.55534715683126,"endHours":19.55534715683126,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:33","end":"20:33","startHours":19.55534715683126,"endHours":20.55534715683126,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:33","end":"21:33","startHours":20.55534715683126,"endHours":21.55534715683126,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:33","end":"22:33","startHours":21.55534715683126,"endHours":22.55534715683126,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:33","end":"23:33","startHours":22.55534715683126,"endHours":23.55534715683126,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:33","end":"00:33","startHours":23.55534715683126,"endHours":24.55534715683126,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:33","end":"01:33","startHours":24.55534715683126,"endHours":25.55534715683126,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:33","end":"02:33","startHours":25.55534715683126,"endHours":26.55534715683126,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:33","end":"03:33","startHours":26.55534715683126,"endHours":27.55534715683126,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:33","end":"04:33","startHours":27.55534715683126,"endHours":28.55534715683126,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:33","end":"05:33","startHours":28.55534715683126,"endHours":29.55534715683126,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.14461652314436,"eotMinutes":-13.970482348849993,"ayanamsa":-47.8923}},"calendars":{"vikram_samvat":-3079,"saka_samvat":-3214,"bengali_samvat":-3729,"malayalam_era":-3960,"nanakshahi_year":-4605,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Tṛtīyā · Vikram -3079 undefined · Śaka -3214 undefined"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 3, 3137 BCE · Perth, Australia · Vidhyamitra","description":"February 3, 3137 BCE for Perth, Australia: Kṛṣṇa Tṛtīyā, sūryodaya 05:33, sūryāsta 19:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/-3136-02-03","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/-3136-02-03","sa":"https://sa.vidhyamitra.com/city/perth/-3136-02-03","hi":"https://hi.vidhyamitra.com/city/perth/-3136-02-03","x-default":"https://vidhyamitra.com/city/perth/-3136-02-03"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:59:51.074Z","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":"2026-06-01T03:59:51.074Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:59:51.074Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}