{"id":"vidhyamitra:city-day:perth:1879-12-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1879-12-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1879-12-07","date_display":"December 7, 1879 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":1879,"month":12,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407690.770833,"kali_year":4981,"ahargana":1819225.2708,"sun":{"sidereal_longitude":232.2646,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":148.7686,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.5041,"elapsed_within_tithi_degrees":0.5041},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.7686,"elapsed_within_degrees":2.102},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.0332},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1879,"month":12,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2407690.770833,"ahargana":1819225.2708,"kali_year":4981,"ayanamsa_lahiri":22.1757,"grahas":{"sun":{"sidereal_longitude":232.42026399999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":145.190964,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":-3.8992},"mars":{"sidereal_longitude":23.167463999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.13496399999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":314.49836400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":187.31496399999992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":347.787864,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":268.6904,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.6904,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1879,"month":12,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407690.770833,"kali_year":4981,"ahargana":1819225.2708,"sun":{"sidereal_longitude":232.2646,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":148.7686,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.5041,"elapsed_within_tithi_degrees":0.5041},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.7686,"elapsed_within_degrees":2.102},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.0332},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.899,"elongation":83.496},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.899,"opposition_distance":96.504}},"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":"05:04","sunsetLocal":"19:13","solarNoonLocal":"12:09","dayLengthHours":14.148030025891448,"dayLengthDisplay":"14 Hours 08 Mins 53 Secs","nightLengthDisplay":"9 Hours 51 Mins 07 Secs","moonriseLocal":"00:30","moonsetLocal":"12:10","rahuKala":{"name":"Rāhu Kāla","start":"17:27","end":"19:13","startHours":17.452749650987005,"endHours":19.221253404223436,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:09","end":"13:55","startHours":12.147238391277712,"endHours":13.915742144514143,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:41","end":"17:27","startHours":15.684245897750575,"endHours":17.452749650987005,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:51","startHours":8.374430384373326,"endHours":8.846031385236374,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.662724629410799,"endHours":6.040005430101237,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:37","startHours":11.675637390414664,"endHours":12.61883939214076,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:11","end":"04:08","startHours":3.1868193748797955,"endHours":4.130021376605892,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:54","end":"05:04","startHours":3.894220876174368,"endHours":5.073223378331988,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:27","startHours":14.505243395592952,"endHours":15.448445397319048,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.021253404223437,"endHours":19.421253404223435,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:49","startHours":19.221253404223436,"endHours":19.810754655302247,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.971253404223436,"endHours":20.721253404223436,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:37","startHours":23.67563739041466,"endHours":24.61883939214076,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:04","end":"06:51","startHours":5.073223378331988,"endHours":6.841727131568419,"quality":"inauspicious"},{"name":"Chala","start":"06:51","end":"08:37","startHours":6.841727131568419,"endHours":8.61023088480485,"quality":"neutral"},{"name":"Labha","start":"08:37","end":"10:23","startHours":8.61023088480485,"endHours":10.378734638041282,"quality":"auspicious"},{"name":"Amṛta","start":"10:23","end":"12:09","startHours":10.378734638041282,"endHours":12.147238391277712,"quality":"auspicious"},{"name":"Kāla","start":"12:09","end":"13:55","startHours":12.147238391277712,"endHours":13.915742144514143,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:41","startHours":13.915742144514143,"endHours":15.684245897750575,"quality":"auspicious"},{"name":"Roga","start":"15:41","end":"17:27","startHours":15.684245897750575,"endHours":17.452749650987005,"quality":"inauspicious"},{"name":"Udveg","start":"17:27","end":"19:13","startHours":17.452749650987005,"endHours":19.221253404223436,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:13","end":"20:27","startHours":19.221253404223436,"endHours":20.452749650987005,"quality":"auspicious"},{"name":"Roga","start":"20:27","end":"21:41","startHours":20.452749650987005,"endHours":21.684245897750575,"quality":"inauspicious"},{"name":"Udveg","start":"21:41","end":"22:55","startHours":21.684245897750575,"endHours":22.915742144514144,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:09","startHours":22.915742144514144,"endHours":24.14723839127771,"quality":"neutral"},{"name":"Labha","start":"00:09","end":"01:23","startHours":24.14723839127771,"endHours":25.37873463804128,"quality":"auspicious"},{"name":"Amṛta","start":"01:23","end":"02:37","startHours":25.37873463804128,"endHours":26.61023088480485,"quality":"auspicious"},{"name":"Kāla","start":"02:37","end":"03:51","startHours":26.61023088480485,"endHours":27.84172713156842,"quality":"inauspicious"},{"name":"Śubha","start":"03:51","end":"05:04","startHours":27.84172713156842,"endHours":29.07322337833199,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.073223378331988,"endHours":6.073223378331988,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.073223378331988,"endHours":7.073223378331988,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.073223378331988,"endHours":8.073223378331988,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.073223378331988,"endHours":9.073223378331988,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.073223378331988,"endHours":10.073223378331988,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.073223378331988,"endHours":11.073223378331988,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.073223378331988,"endHours":12.073223378331988,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.073223378331988,"endHours":13.073223378331988,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.073223378331988,"endHours":14.073223378331988,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.073223378331988,"endHours":15.073223378331988,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.073223378331988,"endHours":16.07322337833199,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.07322337833199,"endHours":17.07322337833199,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.07322337833199,"endHours":18.07322337833199,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.07322337833199,"endHours":19.07322337833199,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.07322337833199,"endHours":20.07322337833199,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.07322337833199,"endHours":21.07322337833199,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.07322337833199,"endHours":22.07322337833199,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.07322337833199,"endHours":23.07322337833199,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.07322337833199,"endHours":24.07322337833199,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.07322337833199,"endHours":25.07322337833199,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.07322337833199,"endHours":26.07322337833199,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.07322337833199,"endHours":27.07322337833199,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.07322337833199,"endHours":28.07322337833199,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.07322337833199,"endHours":29.07322337833199,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.547212828231896,"eotMinutes":7.723696523337262,"ayanamsa":22.1757}},"calendars":{"vikram_samvat":1936,"vikram_samvatsara":"Nandana","saka_samvat":1801,"saka_samvatsara":"Pramāthi","bengali_samvat":1286,"malayalam_era":1055,"nanakshahi_year":410,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Navamī · Vikram 1936 Nandana · Śaka 1801 Pramāthi"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 December 7, 1879 CE · Perth, Australia · Vidhyamitra","description":"December 7, 1879 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 05:04, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1879-12-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1879-12-07","sa":"https://sa.vidhyamitra.com/city/perth/1879-12-07","hi":"https://hi.vidhyamitra.com/city/perth/1879-12-07","x-default":"https://vidhyamitra.com/city/perth/1879-12-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:37:13.833Z","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":"2026-05-31T23:37:13.833Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:37:13.833Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}