{"id":"vidhyamitra:city-day:perth:2137-02-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2137-02-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2137-02-08","date_display":"February 8, 2137 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":2137,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501621.770833,"kali_year":5238,"ahargana":1913156.2708,"sun":{"sidereal_longitude":293.3023,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":135.944,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.6417,"elapsed_within_tithi_degrees":10.6417},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.944,"elapsed_within_degrees":2.6107},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":69.2463},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2137,"month":2,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501621.770833,"ahargana":1913156.2708,"kali_year":5238,"ayanamsa_lahiri":25.7682,"grahas":{"sun":{"sidereal_longitude":293.57170999999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":135.71271000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":1.2264},"mars":{"sidereal_longitude":289.18231000000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":292.44390999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":216.26491,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":307.79251,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":262.30501000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":331.774,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":151.774,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2137,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501621.770833,"kali_year":5238,"ahargana":1913156.2708,"sun":{"sidereal_longitude":293.3023,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":135.944,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.6417,"elapsed_within_tithi_degrees":10.6417},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.944,"elapsed_within_degrees":2.6107},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":69.2463},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.226,"elongation":157.358},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.226,"opposition_distance":22.642}},"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":"05:48","sunsetLocal":"19:14","solarNoonLocal":"12:31","dayLengthHours":13.422112459733228,"dayLengthDisplay":"13 Hours 25 Mins 20 Secs","nightLengthDisplay":"10 Hours 34 Mins 40 Secs","moonriseLocal":"20:15","moonsetLocal":"07:44","rahuKala":{"name":"Rāhu Kāla","start":"10:50","end":"12:31","startHours":10.83898551054438,"endHours":12.516749568011033,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:52","end":"17:33","startHours":15.87227768294434,"endHours":17.550041740410993,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:29","end":"09:10","startHours":7.483457395611073,"endHours":9.161221453077726,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:23","startHours":8.937519578748839,"endHours":9.384923327406614,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:43","startHours":6.364948023966638,"endHours":6.722871022892857,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.06934581935326,"endHours":12.964153316668806,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:01","end":"04:55","startHours":4.016078343513323,"endHours":4.910885840828871,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:48","startHours":4.687183966499984,"endHours":5.80569333814442,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:39","startHours":14.753768311299904,"endHours":15.648575808615453,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.027805797877647,"endHours":19.427805797877646,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:47","startHours":19.227805797877647,"endHours":19.787060483699864,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.977805797877647,"endHours":20.727805797877647,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.06934581935326,"endHours":24.964153316668806,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:48","end":"07:29","startHours":5.80569333814442,"endHours":7.483457395611073,"quality":"neutral"},{"name":"Labha","start":"07:29","end":"09:10","startHours":7.483457395611073,"endHours":9.161221453077726,"quality":"auspicious"},{"name":"Amṛta","start":"09:10","end":"10:50","startHours":9.161221453077726,"endHours":10.83898551054438,"quality":"auspicious"},{"name":"Kāla","start":"10:50","end":"12:31","startHours":10.83898551054438,"endHours":12.516749568011033,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"14:12","startHours":12.516749568011033,"endHours":14.194513625477686,"quality":"auspicious"},{"name":"Roga","start":"14:12","end":"15:52","startHours":14.194513625477686,"endHours":15.87227768294434,"quality":"inauspicious"},{"name":"Udveg","start":"15:52","end":"17:33","startHours":15.87227768294434,"endHours":17.550041740410993,"quality":"inauspicious"},{"name":"Chala","start":"17:33","end":"19:14","startHours":17.550041740410993,"endHours":19.227805797877647,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:14","end":"20:33","startHours":19.227805797877647,"endHours":20.550041740410993,"quality":"inauspicious"},{"name":"Udveg","start":"20:33","end":"21:52","startHours":20.550041740410993,"endHours":21.87227768294434,"quality":"inauspicious"},{"name":"Chala","start":"21:52","end":"23:12","startHours":21.87227768294434,"endHours":23.194513625477686,"quality":"neutral"},{"name":"Labha","start":"23:12","end":"00:31","startHours":23.194513625477686,"endHours":24.516749568011033,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"01:50","startHours":24.516749568011033,"endHours":25.83898551054438,"quality":"auspicious"},{"name":"Kāla","start":"01:50","end":"03:10","startHours":25.83898551054438,"endHours":27.161221453077726,"quality":"inauspicious"},{"name":"Śubha","start":"03:10","end":"04:29","startHours":27.161221453077726,"endHours":28.483457395611072,"quality":"auspicious"},{"name":"Roga","start":"04:29","end":"05:48","startHours":28.483457395611072,"endHours":29.80569333814442,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.80569333814442,"endHours":6.80569333814442,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.80569333814442,"endHours":7.80569333814442,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.80569333814442,"endHours":8.805693338144419,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.805693338144419,"endHours":9.805693338144419,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.805693338144419,"endHours":10.805693338144419,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.805693338144419,"endHours":11.805693338144419,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.805693338144419,"endHours":12.805693338144419,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.805693338144419,"endHours":13.805693338144419,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.805693338144419,"endHours":14.805693338144419,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.805693338144419,"endHours":15.805693338144419,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.805693338144419,"endHours":16.80569333814442,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.80569333814442,"endHours":17.80569333814442,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.80569333814442,"endHours":18.80569333814442,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.80569333814442,"endHours":19.80569333814442,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.80569333814442,"endHours":20.80569333814442,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.80569333814442,"endHours":21.80569333814442,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.80569333814442,"endHours":22.80569333814442,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.80569333814442,"endHours":23.80569333814442,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.80569333814442,"endHours":24.80569333814442,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.80569333814442,"endHours":25.80569333814442,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.80569333814442,"endHours":26.80569333814442,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.80569333814442,"endHours":27.80569333814442,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.80569333814442,"endHours":28.80569333814442,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.80569333814442,"endHours":29.80569333814442,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","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":-15.01966790626542,"eotMinutes":-14.446974080661976,"ayanamsa":25.7682}},"calendars":{"vikram_samvat":2194,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":2059,"saka_samvatsara":"Hemalambī","bengali_samvat":1544,"malayalam_era":1313,"nanakshahi_year":668,"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 Dvitīyā · Vikram 2194 Sādhāraṇa · Śaka 2059 Hemalambī"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 8, 2137 CE · Perth, Australia · Vidhyamitra","description":"February 8, 2137 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 05:48, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2137-02-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2137-02-08","sa":"https://sa.vidhyamitra.com/city/perth/2137-02-08","hi":"https://hi.vidhyamitra.com/city/perth/2137-02-08","x-default":"https://vidhyamitra.com/city/perth/2137-02-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:32:09.761Z","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":"2026-05-31T13:32:09.761Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:32:09.761Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}