{"id":"vidhyamitra:city-day:perth:2129-02-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2129-02-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2129-02-11","date_display":"February 11, 2129 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":2129,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498702.770833,"kali_year":5230,"ahargana":1910237.2708,"sun":{"sidereal_longitude":296.4303,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":195.1644,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.734,"elapsed_within_tithi_degrees":6.734},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.1644,"elapsed_within_degrees":8.4977},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.5947},"karana":{"half_tithi_index":43,"name":"Bava"},"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":2129,"month":2,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498702.770833,"ahargana":1910237.2708,"kali_year":5230,"ayanamsa_lahiri":25.6566,"grahas":{"sun":{"sidereal_longitude":296.66253699999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":191.98713700000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":4.1928},"mars":{"sidereal_longitude":227.403637,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":279.47173699999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":320.31153700000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":310.19193700000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":174.65013699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":126.4367,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":306.4367,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2129,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498702.770833,"kali_year":5230,"ahargana":1910237.2708,"sun":{"sidereal_longitude":296.4303,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":195.1644,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.734,"elapsed_within_tithi_degrees":6.734},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.1644,"elapsed_within_degrees":8.4977},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.5947},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.193,"elongation":101.266},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.193,"opposition_distance":78.734}},"eclipse_window_40days":[{"offset_days":8,"type":"solar","occurs":true,"moon_latitude":-0.118,"elongation":2.953}]},"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":"19:11","solarNoonLocal":"12:31","dayLengthHours":13.335903452100988,"dayLengthDisplay":"13 Hours 20 Mins 09 Secs","nightLengthDisplay":"10 Hours 39 Mins 51 Secs","moonriseLocal":"22:54","moonsetLocal":"12:11","rahuKala":{"name":"Rāhu Kāla","start":"10:51","end":"12:31","startHours":10.851931094330356,"endHours":12.51891902584298,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:51","end":"17:31","startHours":15.852894888868226,"endHours":17.51988282038085,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:31","end":"09:11","startHours":7.517955231305108,"endHours":9.184943162817731,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:24","startHours":8.962678105282716,"endHours":9.407208220352748,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:46","startHours":6.406629943630026,"endHours":6.762254035686053,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:58","startHours":12.074388910772946,"endHours":12.963449140913013,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:58","startHours":4.072846839512353,"endHours":4.961907069652419,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:51","startHours":4.739642012117402,"endHours":5.850967299792485,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:38","startHours":14.741569601193143,"endHours":15.63062983133321,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.986870751893473,"endHours":19.386870751893472,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:45","startHours":19.186870751893473,"endHours":19.742533395731012,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.936870751893473,"endHours":20.686870751893473,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:58","startHours":24.074388910772946,"endHours":24.963449140913013,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:51","end":"07:31","startHours":5.850967299792485,"endHours":7.517955231305108,"quality":"neutral"},{"name":"Labha","start":"07:31","end":"09:11","startHours":7.517955231305108,"endHours":9.184943162817731,"quality":"auspicious"},{"name":"Amṛta","start":"09:11","end":"10:51","startHours":9.184943162817731,"endHours":10.851931094330356,"quality":"auspicious"},{"name":"Kāla","start":"10:51","end":"12:31","startHours":10.851931094330356,"endHours":12.51891902584298,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"14:11","startHours":12.51891902584298,"endHours":14.185906957355602,"quality":"auspicious"},{"name":"Roga","start":"14:11","end":"15:51","startHours":14.185906957355602,"endHours":15.852894888868226,"quality":"inauspicious"},{"name":"Udveg","start":"15:51","end":"17:31","startHours":15.852894888868226,"endHours":17.51988282038085,"quality":"inauspicious"},{"name":"Chala","start":"17:31","end":"19:11","startHours":17.51988282038085,"endHours":19.186870751893473,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:11","end":"20:31","startHours":19.186870751893473,"endHours":20.51988282038085,"quality":"inauspicious"},{"name":"Udveg","start":"20:31","end":"21:51","startHours":20.51988282038085,"endHours":21.852894888868224,"quality":"inauspicious"},{"name":"Chala","start":"21:51","end":"23:11","startHours":21.852894888868224,"endHours":23.185906957355602,"quality":"neutral"},{"name":"Labha","start":"23:11","end":"00:31","startHours":23.185906957355602,"endHours":24.51891902584298,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"01:51","startHours":24.51891902584298,"endHours":25.851931094330354,"quality":"auspicious"},{"name":"Kāla","start":"01:51","end":"03:11","startHours":25.851931094330354,"endHours":27.18494316281773,"quality":"inauspicious"},{"name":"Śubha","start":"03:11","end":"04:31","startHours":27.18494316281773,"endHours":28.51795523130511,"quality":"auspicious"},{"name":"Roga","start":"04:31","end":"05:51","startHours":28.51795523130511,"endHours":29.850967299792487,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.850967299792485,"endHours":6.850967299792485,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.850967299792485,"endHours":7.850967299792485,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.850967299792485,"endHours":8.850967299792485,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.850967299792485,"endHours":9.850967299792485,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.850967299792485,"endHours":10.850967299792485,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.850967299792485,"endHours":11.850967299792485,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.850967299792485,"endHours":12.850967299792485,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.850967299792485,"endHours":13.850967299792485,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.850967299792485,"endHours":14.850967299792485,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.850967299792485,"endHours":15.850967299792485,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.850967299792485,"endHours":16.850967299792487,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.850967299792487,"endHours":17.850967299792487,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.850967299792487,"endHours":18.850967299792487,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.850967299792487,"endHours":19.850967299792487,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.850967299792487,"endHours":20.850967299792487,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.850967299792487,"endHours":21.850967299792487,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.850967299792487,"endHours":22.850967299792487,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.850967299792487,"endHours":23.850967299792487,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.850967299792487,"endHours":24.850967299792487,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.850967299792487,"endHours":25.850967299792487,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.850967299792487,"endHours":26.850967299792487,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.850967299792487,"endHours":27.850967299792487,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.850967299792487,"endHours":28.850967299792487,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.850967299792487,"endHours":29.850967299792487,"planetary_lord":"Mars"}],"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":"South-East","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":-14.070701562124132,"eotMinutes":-14.577141550578775,"ayanamsa":25.6566}},"calendars":{"vikram_samvat":2186,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2051,"saka_samvatsara":"Virodhi","bengali_samvat":1536,"malayalam_era":1305,"nanakshahi_year":660,"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 2186 Śubhakṛt · Śaka 2051 Virodhi"},"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 11, 2129 CE · Perth, Australia · Vidhyamitra","description":"February 11, 2129 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 05:51, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2129-02-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2129-02-11","sa":"https://sa.vidhyamitra.com/city/perth/2129-02-11","hi":"https://hi.vidhyamitra.com/city/perth/2129-02-11","x-default":"https://vidhyamitra.com/city/perth/2129-02-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:54:25.480Z","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":"2026-05-31T10:54:25.480Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:54:25.480Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}