{"id":"vidhyamitra:city-day:perth:2101-06-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2101-06-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-06-20","date_display":"June 20, 2101 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":2101,"month":6,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488604.770833,"kali_year":5203,"ahargana":1900139.2708,"sun":{"sidereal_longitude":62.8873,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":347.3949,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.5076,"elapsed_within_tithi_degrees":8.5076},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.3949,"elapsed_within_degrees":0.7282},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":50.2822},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2101,"month":6,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488604.770833,"ahargana":1900139.2708,"kali_year":5203,"ayanamsa_lahiri":25.2704,"grahas":{"sun":{"sidereal_longitude":63.374255000000005,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":350.430355,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":3.2309},"mars":{"sidereal_longitude":353.590155,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":39.012355000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":197.98675500000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":89.809755,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":185.62955499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":301.4773,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":121.4773,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"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":2101,"month":6,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488604.770833,"kali_year":5203,"ahargana":1900139.2708,"sun":{"sidereal_longitude":62.8873,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":347.3949,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.5076,"elapsed_within_tithi_degrees":8.5076},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.3949,"elapsed_within_degrees":0.7282},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":50.2822},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.231,"elongation":75.492},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.231,"opposition_distance":104.508}},"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":"07:16","sunsetLocal":"17:20","solarNoonLocal":"12:18","dayLengthHours":10.057084352928406,"dayLengthDisplay":"10 Hours 03 Mins 26 Secs","nightLengthDisplay":"13 Hours 56 Mins 34 Secs","moonriseLocal":"01:39","moonsetLocal":"13:13","rahuKala":{"name":"Rāhu Kāla","start":"08:32","end":"09:47","startHours":8.52517735976701,"endHours":9.782312903883062,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:02","end":"12:18","startHours":11.039448447999114,"endHours":12.296583992115163,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:33","end":"14:49","startHours":13.553719536231213,"endHours":14.810855080347265,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:57","startHours":9.614694831334255,"endHours":9.949930976431869,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:57","startHours":7.687086997022977,"endHours":7.955275913101068,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:38","startHours":11.96134784701755,"endHours":12.631820137212777,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:56","end":"06:36","startHours":5.927097235260506,"endHours":6.597569525455733,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:16","startHours":6.429951452906926,"endHours":7.26804181565096,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:39","startHours":13.97276471760323,"endHours":14.643237007798456,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.125126168579367,"endHours":17.525126168579366,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:45","startHours":17.325126168579366,"endHours":17.744171349951383,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.075126168579366,"endHours":18.825126168579366,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:38","startHours":23.96134784701755,"endHours":24.631820137212777,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:16","end":"08:32","startHours":7.26804181565096,"endHours":8.52517735976701,"quality":"auspicious"},{"name":"Kāla","start":"08:32","end":"09:47","startHours":8.52517735976701,"endHours":9.782312903883062,"quality":"inauspicious"},{"name":"Śubha","start":"09:47","end":"11:02","startHours":9.782312903883062,"endHours":11.039448447999114,"quality":"auspicious"},{"name":"Roga","start":"11:02","end":"12:18","startHours":11.039448447999114,"endHours":12.296583992115163,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"13:33","startHours":12.296583992115163,"endHours":13.553719536231213,"quality":"inauspicious"},{"name":"Chala","start":"13:33","end":"14:49","startHours":13.553719536231213,"endHours":14.810855080347265,"quality":"neutral"},{"name":"Labha","start":"14:49","end":"16:04","startHours":14.810855080347265,"endHours":16.067990624463317,"quality":"auspicious"},{"name":"Amṛta","start":"16:04","end":"17:20","startHours":16.067990624463317,"endHours":17.325126168579366,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:20","end":"19:04","startHours":17.325126168579366,"endHours":19.067990624463317,"quality":"neutral"},{"name":"Labha","start":"19:04","end":"20:49","startHours":19.067990624463317,"endHours":20.810855080347267,"quality":"auspicious"},{"name":"Amṛta","start":"20:49","end":"22:33","startHours":20.810855080347267,"endHours":22.553719536231213,"quality":"auspicious"},{"name":"Kāla","start":"22:33","end":"00:18","startHours":22.553719536231213,"endHours":24.296583992115163,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"02:02","startHours":24.296583992115163,"endHours":26.039448447999114,"quality":"auspicious"},{"name":"Roga","start":"02:02","end":"03:47","startHours":26.039448447999114,"endHours":27.78231290388306,"quality":"inauspicious"},{"name":"Udveg","start":"03:47","end":"05:32","startHours":27.78231290388306,"endHours":29.52517735976701,"quality":"inauspicious"},{"name":"Chala","start":"05:32","end":"07:16","startHours":29.52517735976701,"endHours":31.26804181565096,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.26804181565096,"endHours":8.26804181565096,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.26804181565096,"endHours":9.26804181565096,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.26804181565096,"endHours":10.26804181565096,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.26804181565096,"endHours":11.26804181565096,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.26804181565096,"endHours":12.26804181565096,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.26804181565096,"endHours":13.26804181565096,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.26804181565096,"endHours":14.26804181565096,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.26804181565096,"endHours":15.26804181565096,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.26804181565096,"endHours":16.26804181565096,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.26804181565096,"endHours":17.26804181565096,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.26804181565096,"endHours":18.26804181565096,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.26804181565096,"endHours":19.26804181565096,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.26804181565096,"endHours":20.26804181565096,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.26804181565096,"endHours":21.26804181565096,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.26804181565096,"endHours":22.26804181565096,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.26804181565096,"endHours":23.26804181565096,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.26804181565096,"endHours":24.26804181565096,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.26804181565096,"endHours":25.26804181565096,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.26804181565096,"endHours":26.26804181565096,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.26804181565096,"endHours":27.26804181565096,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.26804181565096,"endHours":28.26804181565096,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.26804181565096,"endHours":29.26804181565096,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.26804181565096,"endHours":30.26804181565096,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.26804181565096,"endHours":31.26804181565096,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.429551361707883,"eotMinutes":-1.2370395269098728,"ayanamsa":25.2704}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Navamī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 June 20, 2101 CE · Perth, Australia · Vidhyamitra","description":"June 20, 2101 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 07:16, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2101-06-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2101-06-20","sa":"https://sa.vidhyamitra.com/city/perth/2101-06-20","hi":"https://hi.vidhyamitra.com/city/perth/2101-06-20","x-default":"https://vidhyamitra.com/city/perth/2101-06-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:25:36.974Z","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":"2026-06-01T01:25:36.974Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:25:36.974Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}