{"id":"vidhyamitra:city-day:perth:2148-02-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2148-02-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2148-02-11","date_display":"February 11, 2148 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":2148,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505641.770833,"kali_year":5249,"ahargana":1917176.2708,"sun":{"sidereal_longitude":295.4971,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":188.1983,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.7012,"elapsed_within_tithi_degrees":0.7012},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.1983,"elapsed_within_degrees":1.5316},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.6954},"karana":{"half_tithi_index":42,"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":2148,"month":2,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2505641.770833,"ahargana":1917176.2708,"kali_year":5249,"ayanamsa_lahiri":25.922,"grahas":{"sun":{"sidereal_longitude":295.779316,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":184.502516,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":4.2124},"mars":{"sidereal_longitude":252.92711599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":270.98291600000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":192.68881599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":340.302116,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":25.826816000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":118.7751,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":298.7751,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2148,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505641.770833,"kali_year":5249,"ahargana":1917176.2708,"sun":{"sidereal_longitude":295.4971,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":188.1983,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.7012,"elapsed_within_tithi_degrees":0.7012},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.1983,"elapsed_within_degrees":1.5316},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.6954},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.212,"elongation":107.299},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.212,"opposition_distance":72.701}},"eclipse_window_40days":[{"offset_days":9,"type":"solar","occurs":true,"moon_latitude":-0.565,"elongation":0.88}]},"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":"05:51","sunsetLocal":"19:12","solarNoonLocal":"12:31","dayLengthHours":13.3539699991453,"dayLengthDisplay":"13 Hours 21 Mins 14 Secs","nightLengthDisplay":"10 Hours 38 Mins 46 Secs","moonriseLocal":"22:34","moonsetLocal":"11:38","rahuKala":{"name":"Rāhu Kāla","start":"17:32","end":"19:12","startHours":17.526657775522466,"endHours":19.19590402541563,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"14:11","startHours":12.51891902584298,"endHours":14.188165275736143,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:51","end":"17:32","startHours":15.857411525629304,"endHours":17.526657775522466,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:24","startHours":8.957860359404233,"endHours":9.402992692709077,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.3983494429013845,"endHours":6.754455309545259,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.073786692538137,"endHours":12.964051359147822,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:57","startHours":4.061404693050957,"endHours":4.951669359660643,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:51","startHours":4.729103193008222,"endHours":5.84193402627033,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:38","startHours":14.744580692367196,"endHours":15.634845358976882,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":18.99590402541563,"endHours":19.39590402541563,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:45","startHours":19.19590402541563,"endHours":19.752319442046684,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.94590402541563,"endHours":20.69590402541563,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.073786692538135,"endHours":24.964051359147824,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:51","end":"07:31","startHours":5.84193402627033,"endHours":7.5111802761634925,"quality":"inauspicious"},{"name":"Chala","start":"07:31","end":"09:11","startHours":7.5111802761634925,"endHours":9.180426526056655,"quality":"neutral"},{"name":"Labha","start":"09:11","end":"10:51","startHours":9.180426526056655,"endHours":10.849672775949816,"quality":"auspicious"},{"name":"Amṛta","start":"10:51","end":"12:31","startHours":10.849672775949816,"endHours":12.51891902584298,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"14:11","startHours":12.51891902584298,"endHours":14.188165275736143,"quality":"inauspicious"},{"name":"Śubha","start":"14:11","end":"15:51","startHours":14.188165275736143,"endHours":15.857411525629304,"quality":"auspicious"},{"name":"Roga","start":"15:51","end":"17:32","startHours":15.857411525629304,"endHours":17.526657775522466,"quality":"inauspicious"},{"name":"Udveg","start":"17:32","end":"19:12","startHours":17.526657775522466,"endHours":19.19590402541563,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:12","end":"20:32","startHours":19.19590402541563,"endHours":20.526657775522466,"quality":"auspicious"},{"name":"Roga","start":"20:32","end":"21:51","startHours":20.526657775522466,"endHours":21.857411525629303,"quality":"inauspicious"},{"name":"Udveg","start":"21:51","end":"23:11","startHours":21.857411525629303,"endHours":23.188165275736143,"quality":"inauspicious"},{"name":"Chala","start":"23:11","end":"00:31","startHours":23.188165275736143,"endHours":24.51891902584298,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"01:51","startHours":24.51891902584298,"endHours":25.849672775949816,"quality":"auspicious"},{"name":"Amṛta","start":"01:51","end":"03:11","startHours":25.849672775949816,"endHours":27.180426526056657,"quality":"auspicious"},{"name":"Kāla","start":"03:11","end":"04:31","startHours":27.180426526056657,"endHours":28.511180276163493,"quality":"inauspicious"},{"name":"Śubha","start":"04:31","end":"05:51","startHours":28.511180276163493,"endHours":29.84193402627033,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.84193402627033,"endHours":6.84193402627033,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.84193402627033,"endHours":7.84193402627033,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.84193402627033,"endHours":8.84193402627033,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.84193402627033,"endHours":9.84193402627033,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.84193402627033,"endHours":10.84193402627033,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.84193402627033,"endHours":11.84193402627033,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.84193402627033,"endHours":12.84193402627033,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.84193402627033,"endHours":13.84193402627033,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.84193402627033,"endHours":14.84193402627033,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.84193402627033,"endHours":15.84193402627033,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.84193402627033,"endHours":16.84193402627033,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.84193402627033,"endHours":17.84193402627033,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.84193402627033,"endHours":18.84193402627033,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.84193402627033,"endHours":19.84193402627033,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.84193402627033,"endHours":20.84193402627033,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.84193402627033,"endHours":21.84193402627033,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.84193402627033,"endHours":22.84193402627033,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.84193402627033,"endHours":23.84193402627033,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.84193402627033,"endHours":24.84193402627033,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.84193402627033,"endHours":25.84193402627033,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.84193402627033,"endHours":26.84193402627033,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.84193402627033,"endHours":27.84193402627033,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.84193402627033,"endHours":28.84193402627033,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.84193402627033,"endHours":29.84193402627033,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","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":-14.270441449000868,"eotMinutes":-14.577141550578775,"ayanamsa":25.922}},"calendars":{"vikram_samvat":2205,"vikram_samvatsara":"Durmati","saka_samvat":2070,"saka_samvatsara":"Kīlaka","bengali_samvat":1555,"malayalam_era":1324,"nanakshahi_year":679,"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 Saptamī · Vikram 2205 Durmati · Śaka 2070 Kīlaka"},"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 February 11, 2148 CE · Perth, Australia · Vidhyamitra","description":"February 11, 2148 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 05:51, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2148-02-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2148-02-11","sa":"https://sa.vidhyamitra.com/city/perth/2148-02-11","hi":"https://hi.vidhyamitra.com/city/perth/2148-02-11","x-default":"https://vidhyamitra.com/city/perth/2148-02-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T10:39:08.234Z","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":"2026-06-01T10:39:08.234Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T10:39:08.234Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}