{"id":"vidhyamitra:city-day:perth:2139-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2139-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2139-02-07","date_display":"February 7, 2139 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":2139,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502350.770833,"kali_year":5240,"ahargana":1913885.2708,"sun":{"sidereal_longitude":291.7546,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":30.1162,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":98.3617,"elapsed_within_tithi_degrees":2.3617},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.1162,"elapsed_within_degrees":3.4496},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.8708},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2139,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502350.770833,"ahargana":1913885.2708,"kali_year":5240,"ayanamsa_lahiri":25.7961,"grahas":{"sun":{"sidereal_longitude":292.03855599999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":33.30465600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":4.4667},"mars":{"sidereal_longitude":304.073756,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":306.123056,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":268.719656,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":251.77795600000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":282.4646560000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":293.1481,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":113.1481,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2139,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502350.770833,"kali_year":5240,"ahargana":1913885.2708,"sun":{"sidereal_longitude":291.7546,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":30.1162,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":98.3617,"elapsed_within_tithi_degrees":2.3617},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.1162,"elapsed_within_degrees":3.4496},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.8708},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.467,"elongation":98.362},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.467,"opposition_distance":81.638}},"eclipse_window_40days":[{"offset_days":7,"type":"lunar","occurs":true,"moon_latitude":-0.678,"opposition_distance":2.561}]},"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":"19:15","solarNoonLocal":"12:31","dayLengthHours":13.464748056709745,"dayLengthDisplay":"13 Hours 27 Mins 53 Secs","nightLengthDisplay":"10 Hours 32 Mins 07 Secs","moonriseLocal":"14:05","moonsetLocal":"00:27","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:50","startHours":9.149407194312007,"endHours":10.832500701400726,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:12","end":"15:53","startHours":14.19868771557816,"endHours":15.881781222666879,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:47","end":"07:28","startHours":5.78322018013457,"endHours":7.4663136872232885,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:22","startHours":8.924994726700177,"endHours":9.373819661923836,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:42","startHours":6.344251349164143,"endHours":6.7033112973430695,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.066769273265784,"endHours":12.964419143713101,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:59","end":"04:53","startHours":3.9879204392399377,"endHours":4.885570309687254,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:47","startHours":4.661157842075426,"endHours":5.78322018013457,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:39","startHours":14.759718884607732,"endHours":15.657368755055048,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.047968236844316,"endHours":19.447968236844314,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:49","startHours":19.247968236844315,"endHours":19.808999405873887,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":18.997968236844315,"endHours":20.747968236844315,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.066769273265784,"endHours":24.9644191437131,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:47","end":"07:28","startHours":5.78322018013457,"endHours":7.4663136872232885,"quality":"inauspicious"},{"name":"Śubha","start":"07:28","end":"09:09","startHours":7.4663136872232885,"endHours":9.149407194312007,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:50","startHours":9.149407194312007,"endHours":10.832500701400726,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:31","startHours":10.832500701400726,"endHours":12.515594208489443,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"14:12","startHours":12.515594208489443,"endHours":14.19868771557816,"quality":"neutral"},{"name":"Labha","start":"14:12","end":"15:53","startHours":14.19868771557816,"endHours":15.881781222666879,"quality":"auspicious"},{"name":"Amṛta","start":"15:53","end":"17:34","startHours":15.881781222666879,"endHours":17.564874729755598,"quality":"auspicious"},{"name":"Kāla","start":"17:34","end":"19:15","startHours":17.564874729755598,"endHours":19.247968236844315,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:15","end":"20:34","startHours":19.247968236844315,"endHours":20.564874729755598,"quality":"auspicious"},{"name":"Amṛta","start":"20:34","end":"21:53","startHours":20.564874729755598,"endHours":21.88178122266688,"quality":"auspicious"},{"name":"Kāla","start":"21:53","end":"23:12","startHours":21.88178122266688,"endHours":23.19868771557816,"quality":"inauspicious"},{"name":"Śubha","start":"23:12","end":"00:31","startHours":23.19868771557816,"endHours":24.515594208489443,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"01:50","startHours":24.515594208489443,"endHours":25.832500701400726,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:09","startHours":25.832500701400726,"endHours":27.149407194312005,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:28","startHours":27.149407194312005,"endHours":28.466313687223288,"quality":"neutral"},{"name":"Labha","start":"04:28","end":"05:47","startHours":28.466313687223288,"endHours":29.78322018013457,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.78322018013457,"endHours":6.78322018013457,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.78322018013457,"endHours":7.78322018013457,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.78322018013457,"endHours":8.78322018013457,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.78322018013457,"endHours":9.78322018013457,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.78322018013457,"endHours":10.78322018013457,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.78322018013457,"endHours":11.78322018013457,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.78322018013457,"endHours":12.78322018013457,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.78322018013457,"endHours":13.78322018013457,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.78322018013457,"endHours":14.78322018013457,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.78322018013457,"endHours":15.78322018013457,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.78322018013457,"endHours":16.78322018013457,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.78322018013457,"endHours":17.78322018013457,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.78322018013457,"endHours":18.78322018013457,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.78322018013457,"endHours":19.78322018013457,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.78322018013457,"endHours":20.78322018013457,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.78322018013457,"endHours":21.78322018013457,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.78322018013457,"endHours":22.78322018013457,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.78322018013457,"endHours":23.78322018013457,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.78322018013457,"endHours":24.78322018013457,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.78322018013457,"endHours":25.78322018013457,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.78322018013457,"endHours":26.78322018013457,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.78322018013457,"endHours":27.78322018013457,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.78322018013457,"endHours":28.78322018013457,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.78322018013457,"endHours":29.78322018013457,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-15.48504326582021,"eotMinutes":-14.37765250936663,"ayanamsa":25.7961}},"calendars":{"vikram_samvat":2196,"vikram_samvatsara":"Paridhāvi","saka_samvat":2061,"saka_samvatsara":"Vikāri","bengali_samvat":1546,"malayalam_era":1315,"nanakshahi_year":670,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Navamī · Vikram 2196 Paridhāvi · Śaka 2061 Vikāri"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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, 2139 CE · Perth, Australia · Vidhyamitra","description":"February 7, 2139 CE for Perth, Australia: Śukla Navamī, sūryodaya 05:47, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2139-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2139-02-07","sa":"https://sa.vidhyamitra.com/city/perth/2139-02-07","hi":"https://hi.vidhyamitra.com/city/perth/2139-02-07","x-default":"https://vidhyamitra.com/city/perth/2139-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T14:44:41.249Z","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":"2026-05-25T14:44:41.249Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T14:44:41.249Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}