{"id":"vidhyamitra:city-day:perth:2156-02-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2156-02-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2156-02-15","date_display":"February 15, 2156 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":2156,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508567.770833,"kali_year":5257,"ahargana":1920102.2708,"sun":{"sidereal_longitude":299.4962,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":219.5528,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.0565,"elapsed_within_tithi_degrees":4.0565},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.5528,"elapsed_within_degrees":6.2194},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.049},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":2156,"month":2,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508567.770833,"ahargana":1920102.2708,"kali_year":5257,"ayanamsa_lahiri":26.0339,"grahas":{"sun":{"sidereal_longitude":299.7750209999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":216.24772099999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":-4.3625},"mars":{"sidereal_longitude":319.7596209999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":292.867121,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":62.38752099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":344.347621,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":141.384721,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":323.7415,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":143.7415,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2156,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508567.770833,"kali_year":5257,"ahargana":1920102.2708,"sun":{"sidereal_longitude":299.4962,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":219.5528,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":280.0565,"elapsed_within_tithi_degrees":4.0565},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.5528,"elapsed_within_degrees":6.2194},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.049},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.362,"elongation":79.943},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.362,"opposition_distance":100.057}},"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":"05:54","sunsetLocal":"19:08","solarNoonLocal":"12:31","dayLengthHours":13.23216051951933,"dayLengthDisplay":"13 Hours 13 Mins 56 Secs","nightLengthDisplay":"10 Hours 46 Mins 04 Secs","moonriseLocal":"00:00","moonsetLocal":"13:54","rahuKala":{"name":"Rāhu Kāla","start":"17:29","end":"19:08","startHours":17.48087787894308,"endHours":19.134897943882997,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"14:10","startHours":12.51881768412333,"endHours":14.172837749063248,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:50","end":"17:29","startHours":15.826857814003166,"endHours":17.48087787894308,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:26","startHours":8.990241545584844,"endHours":9.431313562902155,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.454077446010306,"endHours":6.806935059864155,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.077745666806022,"endHours":12.959889701440643,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"05:01","startHours":4.138449355094423,"endHours":5.020593389729045,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:54","startHours":4.800057381070389,"endHours":5.902737424363667,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:36","startHours":14.724177770709886,"endHours":15.606321805344509,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.934897943882998,"endHours":19.334897943882996,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:41","startHours":19.134897943882997,"endHours":19.686237965529635,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.884897943882997,"endHours":20.634897943882997,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.077745666806024,"endHours":24.959889701440645,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:54","end":"07:33","startHours":5.902737424363667,"endHours":7.556757489303584,"quality":"inauspicious"},{"name":"Chala","start":"07:33","end":"09:13","startHours":7.556757489303584,"endHours":9.2107775542435,"quality":"neutral"},{"name":"Labha","start":"09:13","end":"10:52","startHours":9.2107775542435,"endHours":10.864797619183417,"quality":"auspicious"},{"name":"Amṛta","start":"10:52","end":"12:31","startHours":10.864797619183417,"endHours":12.51881768412333,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"14:10","startHours":12.51881768412333,"endHours":14.172837749063248,"quality":"inauspicious"},{"name":"Śubha","start":"14:10","end":"15:50","startHours":14.172837749063248,"endHours":15.826857814003166,"quality":"auspicious"},{"name":"Roga","start":"15:50","end":"17:29","startHours":15.826857814003166,"endHours":17.48087787894308,"quality":"inauspicious"},{"name":"Udveg","start":"17:29","end":"19:08","startHours":17.48087787894308,"endHours":19.134897943882997,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:08","end":"20:29","startHours":19.134897943882997,"endHours":20.48087787894308,"quality":"auspicious"},{"name":"Roga","start":"20:29","end":"21:50","startHours":20.48087787894308,"endHours":21.826857814003166,"quality":"inauspicious"},{"name":"Udveg","start":"21:50","end":"23:10","startHours":21.826857814003166,"endHours":23.17283774906325,"quality":"inauspicious"},{"name":"Chala","start":"23:10","end":"00:31","startHours":23.17283774906325,"endHours":24.518817684123334,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"01:52","startHours":24.518817684123334,"endHours":25.864797619183417,"quality":"auspicious"},{"name":"Amṛta","start":"01:52","end":"03:13","startHours":25.864797619183417,"endHours":27.2107775542435,"quality":"auspicious"},{"name":"Kāla","start":"03:13","end":"04:33","startHours":27.2107775542435,"endHours":28.556757489303585,"quality":"inauspicious"},{"name":"Śubha","start":"04:33","end":"05:54","startHours":28.556757489303585,"endHours":29.902737424363668,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.902737424363667,"endHours":6.902737424363667,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.902737424363667,"endHours":7.902737424363667,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.902737424363667,"endHours":8.902737424363668,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.902737424363668,"endHours":9.902737424363668,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.902737424363668,"endHours":10.902737424363668,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.902737424363668,"endHours":11.902737424363668,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.902737424363668,"endHours":12.902737424363668,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.902737424363668,"endHours":13.902737424363668,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.902737424363668,"endHours":14.902737424363668,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.902737424363668,"endHours":15.902737424363668,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.902737424363668,"endHours":16.902737424363668,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.902737424363668,"endHours":17.902737424363668,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.902737424363668,"endHours":18.902737424363668,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.902737424363668,"endHours":19.902737424363668,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.902737424363668,"endHours":20.902737424363668,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.902737424363668,"endHours":21.902737424363668,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.902737424363668,"endHours":22.902737424363668,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.902737424363668,"endHours":23.902737424363668,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.902737424363668,"endHours":24.902737424363668,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.902737424363668,"endHours":25.902737424363668,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.902737424363668,"endHours":26.902737424363668,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.902737424363668,"endHours":27.902737424363668,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.902737424363668,"endHours":28.902737424363668,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.902737424363668,"endHours":29.902737424363668,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.915134228260843,"eotMinutes":-14.571061047399978,"ayanamsa":26.0339}},"calendars":{"vikram_samvat":2213,"vikram_samvatsara":"Śukla","saka_samvat":2078,"saka_samvatsara":"Nala","bengali_samvat":1563,"malayalam_era":1332,"nanakshahi_year":687,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Navamī · Vikram 2213 Śukla · Śaka 2078 Nala"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi_ingress":"Kumbha"},"precedence":5}],"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 February 15, 2156 CE · Perth, Australia · Vidhyamitra","description":"February 15, 2156 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 05:54, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2156-02-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2156-02-15","sa":"https://sa.vidhyamitra.com/city/perth/2156-02-15","hi":"https://hi.vidhyamitra.com/city/perth/2156-02-15","x-default":"https://vidhyamitra.com/city/perth/2156-02-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:29:44.457Z","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":"2026-06-02T09:29:44.457Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:29:44.457Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}