{"id":"vidhyamitra:city-day:perth:1985-05-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1985-05-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-05-11","date_display":"May 11, 1985 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":1985,"month":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446196.770833,"kali_year":5087,"ahargana":1857731.2708,"sun":{"sidereal_longitude":26.6956,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":285.956,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.2604,"elapsed_within_tithi_degrees":7.2604},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.956,"elapsed_within_degrees":5.956},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.6516},"karana":{"half_tithi_index":43,"name":"Bava"},"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":1985,"month":5,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446196.770833,"ahargana":1857731.2708,"kali_year":5087,"ayanamsa_lahiri":23.6485,"grahas":{"sun":{"sidereal_longitude":26.65545199999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":288.58395199999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":-4.3931},"mars":{"sidereal_longitude":46.70975199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":2.0100519999999733,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":293.24475200000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":347.010652,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":211.198852,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":28.4572,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":208.4572,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"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":1985,"month":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446196.770833,"kali_year":5087,"ahargana":1857731.2708,"sun":{"sidereal_longitude":26.6956,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":285.956,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.2604,"elapsed_within_tithi_degrees":7.2604},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.956,"elapsed_within_degrees":5.956},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.6516},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.393,"elongation":100.74},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.393,"opposition_distance":79.26}},"eclipse_window_40days":[{"offset_days":9,"type":"solar","occurs":true,"moon_latitude":0.744,"elongation":2.194}]},"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":"06:55","sunsetLocal":"17:31","solarNoonLocal":"12:13","dayLengthHours":10.598063889380995,"dayLengthDisplay":"10 Hours 35 Mins 53 Secs","nightLengthDisplay":"13 Hours 24 Mins 07 Secs","moonriseLocal":"22:53","moonsetLocal":"12:28","rahuKala":{"name":"Rāhu Kāla","start":"09:34","end":"10:53","startHours":9.56458419992294,"endHours":10.889342186095565,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:32","end":"14:52","startHours":13.538858158440814,"endHours":14.863616144613438,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:55","end":"08:14","startHours":6.915068227577691,"endHours":8.239826213750316,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:44","startHours":9.38794980176659,"endHours":9.74121859807929,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:38","startHours":7.356654222968565,"endHours":7.639269260018725,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.86083137595549,"endHours":12.567368968580888,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:13","startHours":5.501993042326891,"endHours":6.208530634952291,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:55","startHours":6.031896236795941,"endHours":6.915068227577691,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:41","startHours":13.980444153831687,"endHours":14.686981746457088,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.313132116958688,"endHours":17.713132116958686,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:57","startHours":17.513132116958687,"endHours":17.95471811234956,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.263132116958687,"endHours":19.013132116958687,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.860831375955488,"endHours":24.56736896858089,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:55","end":"08:14","startHours":6.915068227577691,"endHours":8.239826213750316,"quality":"inauspicious"},{"name":"Śubha","start":"08:14","end":"09:34","startHours":8.239826213750316,"endHours":9.56458419992294,"quality":"auspicious"},{"name":"Roga","start":"09:34","end":"10:53","startHours":9.56458419992294,"endHours":10.889342186095565,"quality":"inauspicious"},{"name":"Udveg","start":"10:53","end":"12:13","startHours":10.889342186095565,"endHours":12.21410017226819,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:32","startHours":12.21410017226819,"endHours":13.538858158440814,"quality":"neutral"},{"name":"Labha","start":"13:32","end":"14:52","startHours":13.538858158440814,"endHours":14.863616144613438,"quality":"auspicious"},{"name":"Amṛta","start":"14:52","end":"16:11","startHours":14.863616144613438,"endHours":16.188374130786062,"quality":"auspicious"},{"name":"Kāla","start":"16:11","end":"17:31","startHours":16.188374130786062,"endHours":17.513132116958687,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:31","end":"19:11","startHours":17.513132116958687,"endHours":19.188374130786062,"quality":"auspicious"},{"name":"Amṛta","start":"19:11","end":"20:52","startHours":19.188374130786062,"endHours":20.863616144613438,"quality":"auspicious"},{"name":"Kāla","start":"20:52","end":"22:32","startHours":20.863616144613438,"endHours":22.538858158440814,"quality":"inauspicious"},{"name":"Śubha","start":"22:32","end":"00:13","startHours":22.538858158440814,"endHours":24.21410017226819,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:53","startHours":24.21410017226819,"endHours":25.889342186095565,"quality":"inauspicious"},{"name":"Udveg","start":"01:53","end":"03:34","startHours":25.889342186095565,"endHours":27.56458419992294,"quality":"inauspicious"},{"name":"Chala","start":"03:34","end":"05:14","startHours":27.56458419992294,"endHours":29.239826213750316,"quality":"neutral"},{"name":"Labha","start":"05:14","end":"06:55","startHours":29.239826213750316,"endHours":30.91506822757769,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.915068227577691,"endHours":7.915068227577691,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.915068227577691,"endHours":8.915068227577692,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.915068227577692,"endHours":9.915068227577692,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.915068227577692,"endHours":10.915068227577692,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.915068227577692,"endHours":11.915068227577692,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.915068227577692,"endHours":12.915068227577692,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.915068227577692,"endHours":13.915068227577692,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.915068227577692,"endHours":14.915068227577692,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.915068227577692,"endHours":15.915068227577692,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.915068227577692,"endHours":16.91506822757769,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.91506822757769,"endHours":17.91506822757769,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.91506822757769,"endHours":18.91506822757769,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.91506822757769,"endHours":19.91506822757769,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.91506822757769,"endHours":20.91506822757769,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.91506822757769,"endHours":21.91506822757769,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.91506822757769,"endHours":22.91506822757769,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.91506822757769,"endHours":23.91506822757769,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.91506822757769,"endHours":24.91506822757769,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.91506822757769,"endHours":25.91506822757769,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.91506822757769,"endHours":26.91506822757769,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.91506822757769,"endHours":27.91506822757769,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.91506822757769,"endHours":28.91506822757769,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.91506822757769,"endHours":29.91506822757769,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.91506822757769,"endHours":30.91506822757769,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.820304499391867,"eotMinutes":3.71198966390865,"ayanamsa":23.6485}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Saptamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[],"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":[]},"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 May 11, 1985 CE · Perth, Australia · Vidhyamitra","description":"May 11, 1985 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 06:55, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1985-05-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1985-05-11","sa":"https://sa.vidhyamitra.com/city/perth/1985-05-11","hi":"https://hi.vidhyamitra.com/city/perth/1985-05-11","x-default":"https://vidhyamitra.com/city/perth/1985-05-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:38:58.820Z","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":"2026-05-31T12:38:58.820Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:38:58.820Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}