{"id":"vidhyamitra:city-day:perth:2013-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2013-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-02-07","date_display":"February 7, 2013 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":2013,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456330.770833,"kali_year":5114,"ahargana":1867865.2708,"sun":{"sidereal_longitude":294.4091,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":252.5171,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":318.108,"elapsed_within_tithi_degrees":6.108},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.5171,"elapsed_within_degrees":12.5171},"yoga":{"number":15,"name":"Vajra","sum_longitude":186.9262},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2013,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456330.770833,"ahargana":1867865.2708,"kali_year":5114,"ayanamsa_lahiri":24.036,"grahas":{"sun":{"sidereal_longitude":294.38375900000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":250.268959,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":2.951},"mars":{"sidereal_longitude":309.737659,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":308.1950589999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":41.97075899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":281.971359,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":197.10935900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":211.5092,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.5092,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2013,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456330.770833,"kali_year":5114,"ahargana":1867865.2708,"sun":{"sidereal_longitude":294.4091,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":252.5171,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":318.108,"elapsed_within_tithi_degrees":6.108},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":252.5171,"elapsed_within_degrees":12.5171},"yoga":{"number":15,"name":"Vajra","sum_longitude":186.9262},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.951,"elongation":41.892},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.951,"opposition_distance":138.108}},"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":13.448252698413967,"dayLengthDisplay":"13 Hours 26 Mins 54 Secs","nightLengthDisplay":"10 Hours 33 Mins 06 Secs","moonriseLocal":"02:29","moonsetLocal":"16:40","rahuKala":{"name":"Rāhu Kāla","start":"14:12","end":"15:53","startHours":14.196625795791189,"endHours":15.877657383092934,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:47","end":"07:28","startHours":5.79146785928246,"endHours":7.472499446584206,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:09","end":"10:50","startHours":9.153531033885951,"endHours":10.834562621187697,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:23","startHours":8.929393488912385,"endHours":9.377668578859518,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:43","startHours":6.351811721716375,"endHours":6.710431793674081,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.06731911854231,"endHours":12.963869298436576,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:54","startHours":3.9983674994939316,"endHours":4.894917679388196,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:47","startHours":4.670780134414629,"endHours":5.79146785928246,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:39","startHours":14.756969658225106,"endHours":15.65351983811937,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.039720557696427,"endHours":19.439720557696425,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:48","startHours":19.239720557696426,"endHours":19.80006442013034,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.989720557696426,"endHours":20.739720557696426,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.06731911854231,"endHours":24.963869298436574,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:47","end":"07:28","startHours":5.79146785928246,"endHours":7.472499446584206,"quality":"auspicious"},{"name":"Roga","start":"07:28","end":"09:09","startHours":7.472499446584206,"endHours":9.153531033885951,"quality":"inauspicious"},{"name":"Udveg","start":"09:09","end":"10:50","startHours":9.153531033885951,"endHours":10.834562621187697,"quality":"inauspicious"},{"name":"Chala","start":"10:50","end":"12:31","startHours":10.834562621187697,"endHours":12.515594208489443,"quality":"neutral"},{"name":"Labha","start":"12:31","end":"14:12","startHours":12.515594208489443,"endHours":14.196625795791189,"quality":"auspicious"},{"name":"Amṛta","start":"14:12","end":"15:53","startHours":14.196625795791189,"endHours":15.877657383092934,"quality":"auspicious"},{"name":"Kāla","start":"15:53","end":"17:34","startHours":15.877657383092934,"endHours":17.55868897039468,"quality":"inauspicious"},{"name":"Śubha","start":"17:34","end":"19:14","startHours":17.55868897039468,"endHours":19.239720557696426,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:14","end":"20:34","startHours":19.239720557696426,"endHours":20.55868897039468,"quality":"auspicious"},{"name":"Kāla","start":"20:34","end":"21:53","startHours":20.55868897039468,"endHours":21.877657383092934,"quality":"inauspicious"},{"name":"Śubha","start":"21:53","end":"23:12","startHours":21.877657383092934,"endHours":23.19662579579119,"quality":"auspicious"},{"name":"Roga","start":"23:12","end":"00:31","startHours":23.19662579579119,"endHours":24.515594208489443,"quality":"inauspicious"},{"name":"Udveg","start":"00:31","end":"01:50","startHours":24.515594208489443,"endHours":25.834562621187697,"quality":"inauspicious"},{"name":"Chala","start":"01:50","end":"03:09","startHours":25.834562621187697,"endHours":27.15353103388595,"quality":"neutral"},{"name":"Labha","start":"03:09","end":"04:28","startHours":27.15353103388595,"endHours":28.472499446584205,"quality":"auspicious"},{"name":"Amṛta","start":"04:28","end":"05:47","startHours":28.472499446584205,"endHours":29.79146785928246,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.79146785928246,"endHours":6.79146785928246,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.79146785928246,"endHours":7.79146785928246,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.79146785928246,"endHours":8.79146785928246,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.79146785928246,"endHours":9.79146785928246,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.79146785928246,"endHours":10.79146785928246,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.79146785928246,"endHours":11.79146785928246,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.79146785928246,"endHours":12.79146785928246,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.79146785928246,"endHours":13.79146785928246,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.79146785928246,"endHours":14.79146785928246,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.79146785928246,"endHours":15.79146785928246,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.79146785928246,"endHours":16.79146785928246,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.79146785928246,"endHours":17.79146785928246,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.79146785928246,"endHours":18.79146785928246,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.79146785928246,"endHours":19.79146785928246,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.79146785928246,"endHours":20.79146785928246,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.79146785928246,"endHours":21.79146785928246,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.79146785928246,"endHours":22.79146785928246,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.79146785928246,"endHours":23.79146785928246,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.79146785928246,"endHours":24.79146785928246,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.79146785928246,"endHours":25.79146785928246,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.79146785928246,"endHours":26.79146785928246,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.79146785928246,"endHours":27.79146785928246,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.79146785928246,"endHours":28.79146785928246,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.79146785928246,"endHours":29.79146785928246,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvaja","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":-15.305308836297419,"eotMinutes":-14.37765250936663,"ayanamsa":24.036}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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 Kṛṣṇa Dvādaśī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 7, 2013 CE · Perth, Australia · Vidhyamitra","description":"February 7, 2013 CE for Perth, Australia: Kṛṣṇa Dvādaśī, sūryodaya 05:47, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2013-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2013-02-07","sa":"https://sa.vidhyamitra.com/city/perth/2013-02-07","hi":"https://hi.vidhyamitra.com/city/perth/2013-02-07","x-default":"https://vidhyamitra.com/city/perth/2013-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:57:17.532Z","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":"2026-05-31T16:57:17.532Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:57:17.532Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}