{"id":"vidhyamitra:city-day:perth:1930-07-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1930-07-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1930-07-12","date_display":"July 12, 1930 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":1930,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426169.770833,"kali_year":5032,"ahargana":1837704.2708,"sun":{"sidereal_longitude":85.8433,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":281.4331,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.5898,"elapsed_within_tithi_degrees":3.5898},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":281.4331,"elapsed_within_degrees":1.4331},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.2765},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":1930,"month":7,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2426169.770833,"ahargana":1837704.2708,"kali_year":5032,"ayanamsa_lahiri":22.8825,"grahas":{"sun":{"sidereal_longitude":86.08833099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":279.466231,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-4.4977},"mars":{"sidereal_longitude":36.387831000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":82.99893099999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":71.42123099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":125.00703099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":255.29303099999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":9.5841,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":189.5841,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1930,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426169.770833,"kali_year":5032,"ahargana":1837704.2708,"sun":{"sidereal_longitude":85.8433,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":281.4331,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.5898,"elapsed_within_tithi_degrees":3.5898},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":281.4331,"elapsed_within_degrees":1.4331},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.2765},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":164.41},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":15.59}},"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":"17:28","solarNoonLocal":"12:22","dayLengthHours":10.190302400825109,"dayLengthDisplay":"10 Hours 11 Mins 25 Secs","nightLengthDisplay":"13 Hours 48 Mins 35 Secs","moonriseLocal":"18:21","moonsetLocal":"08:10","rahuKala":{"name":"Rāhu Kāla","start":"09:49","end":"11:05","startHours":9.815705565244642,"endHours":11.08949336534778,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"14:55","startHours":13.637068965554057,"endHours":14.910856765657195,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:16","end":"08:33","startHours":7.268129965038364,"endHours":8.541917765141502,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"09:59","startHours":9.645867191897556,"endHours":9.985543938591727,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"07:58","startHours":7.692725898406077,"endHours":7.9644672957614135,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:42","startHours":12.023604418756747,"endHours":12.702957912145088,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:55","end":"06:35","startHours":5.9094229782616825,"endHours":6.588776471650023,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:16","startHours":6.418938098302938,"endHours":7.268129965038364,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:44","startHours":14.06166489892177,"endHours":14.74101839231011,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.258432365863474,"endHours":17.658432365863472,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:53","startHours":17.458432365863473,"endHours":17.883028299231185,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.208432365863473,"endHours":18.958432365863473,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:42","startHours":24.023604418756747,"endHours":24.702957912145088,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:16","end":"08:33","startHours":7.268129965038364,"endHours":8.541917765141502,"quality":"inauspicious"},{"name":"Śubha","start":"08:33","end":"09:49","startHours":8.541917765141502,"endHours":9.815705565244642,"quality":"auspicious"},{"name":"Roga","start":"09:49","end":"11:05","startHours":9.815705565244642,"endHours":11.08949336534778,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:22","startHours":11.08949336534778,"endHours":12.363281165450918,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:38","startHours":12.363281165450918,"endHours":13.637068965554057,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"14:55","startHours":13.637068965554057,"endHours":14.910856765657195,"quality":"auspicious"},{"name":"Amṛta","start":"14:55","end":"16:11","startHours":14.910856765657195,"endHours":16.184644565760337,"quality":"auspicious"},{"name":"Kāla","start":"16:11","end":"17:28","startHours":16.184644565760337,"endHours":17.458432365863473,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:11","startHours":17.458432365863473,"endHours":19.184644565760333,"quality":"auspicious"},{"name":"Amṛta","start":"19:11","end":"20:55","startHours":19.184644565760333,"endHours":20.910856765657197,"quality":"auspicious"},{"name":"Kāla","start":"20:55","end":"22:38","startHours":20.910856765657197,"endHours":22.637068965554057,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:22","startHours":22.637068965554057,"endHours":24.363281165450918,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"02:05","startHours":24.363281165450918,"endHours":26.089493365347778,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:49","startHours":26.089493365347778,"endHours":27.81570556524464,"quality":"inauspicious"},{"name":"Chala","start":"03:49","end":"05:33","startHours":27.81570556524464,"endHours":29.541917765141502,"quality":"neutral"},{"name":"Labha","start":"05:33","end":"07:16","startHours":29.541917765141502,"endHours":31.268129965038362,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.268129965038364,"endHours":8.268129965038364,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.268129965038364,"endHours":9.268129965038364,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.268129965038364,"endHours":10.268129965038364,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.268129965038364,"endHours":11.268129965038364,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.268129965038364,"endHours":12.268129965038364,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.268129965038364,"endHours":13.268129965038364,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.268129965038364,"endHours":14.268129965038364,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.268129965038364,"endHours":15.268129965038364,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.268129965038364,"endHours":16.268129965038362,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.268129965038362,"endHours":17.268129965038362,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.268129965038362,"endHours":18.268129965038362,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.268129965038362,"endHours":19.268129965038362,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.268129965038362,"endHours":20.268129965038362,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.268129965038362,"endHours":21.268129965038362,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.268129965038362,"endHours":22.268129965038362,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.268129965038362,"endHours":23.268129965038362,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.268129965038362,"endHours":24.268129965038362,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.268129965038362,"endHours":25.268129965038362,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.268129965038362,"endHours":26.268129965038362,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.268129965038362,"endHours":27.268129965038362,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.268129965038362,"endHours":28.268129965038362,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.268129965038362,"endHours":29.268129965038362,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.268129965038362,"endHours":30.268129965038362,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.268129965038362,"endHours":31.268129965038362,"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":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.094127903786625,"eotMinutes":-5.238869927055064,"ayanamsa":22.8825}},"calendars":{"vikram_samvat":1987,"vikram_samvatsara":"Subhānu","saka_samvat":1852,"saka_samvatsara":"Pramoda","bengali_samvat":1337,"malayalam_era":1106,"nanakshahi_year":461,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Dvitīyā · Vikram 1987 Subhānu · Śaka 1852 Pramoda"},"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 July 12, 1930 CE · Perth, Australia · Vidhyamitra","description":"July 12, 1930 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 07:16, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1930-07-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1930-07-12","sa":"https://sa.vidhyamitra.com/city/perth/1930-07-12","hi":"https://hi.vidhyamitra.com/city/perth/1930-07-12","x-default":"https://vidhyamitra.com/city/perth/1930-07-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:11:43.994Z","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":"2026-06-02T03:11:43.994Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:11:43.994Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}