{"id":"vidhyamitra:city-day:perth:1868-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1868-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1868-01-18","date_display":"January 18, 1868 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":1868,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2403349.770833,"kali_year":4969,"ahargana":1814884.2708,"sun":{"sidereal_longitude":275.5074,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":197.9828,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.4754,"elapsed_within_tithi_degrees":6.4754},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.9828,"elapsed_within_degrees":11.3161},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.4902},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1868,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2403349.770833,"ahargana":1814884.2708,"kali_year":4969,"ayanamsa_lahiri":22.0097,"grahas":{"sun":{"sidereal_longitude":275.27452199999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":200.85142199999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":3.8677},"mars":{"sidereal_longitude":273.16082200000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":273.2350220000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":318.35832200000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":304.82122200000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":222.06472199999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":138.6975,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.6975,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1868,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2403349.770833,"kali_year":4969,"ahargana":1814884.2708,"sun":{"sidereal_longitude":275.5074,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":197.9828,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.4754,"elapsed_within_tithi_degrees":6.4754},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.9828,"elapsed_within_degrees":11.3161},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.4902},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.868,"elongation":77.525},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.868,"opposition_distance":102.475}},"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":"05:28","sunsetLocal":"19:26","solarNoonLocal":"12:27","dayLengthHours":13.961805586187836,"dayLengthDisplay":"13 Hours 57 Mins 43 Secs","nightLengthDisplay":"10 Hours 02 Mins 17 Secs","moonriseLocal":"00:46","moonsetLocal":"14:12","rahuKala":{"name":"Rāhu Kāla","start":"08:57","end":"10:42","startHours":8.958002429814535,"endHours":10.703228128088014,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:12","end":"15:56","startHours":14.193679524634973,"endHours":15.938905222908453,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:28","end":"07:13","startHours":5.4675510332675765,"endHours":7.212776731541056,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:11","startHours":8.725305670044738,"endHours":9.190699189584333,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:25","startHours":6.04929293269207,"endHours":6.421607748323745,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:55","startHours":11.9830603068219,"endHours":12.913847345901088,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:32","startHours":3.6059769551091985,"endHours":4.536763994188387,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:28","startHours":4.30406723441859,"endHours":5.4675510332675765,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.775421424059466,"endHours":15.706208463138655,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.229356619455412,"endHours":19.62935661945541,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.42935661945541,"endHours":20.011098518879905,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.17935661945541,"endHours":20.92935661945541,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:55","startHours":23.983060306821898,"endHours":24.91384734590109,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:28","end":"07:13","startHours":5.4675510332675765,"endHours":7.212776731541056,"quality":"inauspicious"},{"name":"Śubha","start":"07:13","end":"08:57","startHours":7.212776731541056,"endHours":8.958002429814535,"quality":"auspicious"},{"name":"Roga","start":"08:57","end":"10:42","startHours":8.958002429814535,"endHours":10.703228128088014,"quality":"inauspicious"},{"name":"Udveg","start":"10:42","end":"12:27","startHours":10.703228128088014,"endHours":12.448453826361494,"quality":"inauspicious"},{"name":"Chala","start":"12:27","end":"14:12","startHours":12.448453826361494,"endHours":14.193679524634973,"quality":"neutral"},{"name":"Labha","start":"14:12","end":"15:56","startHours":14.193679524634973,"endHours":15.938905222908453,"quality":"auspicious"},{"name":"Amṛta","start":"15:56","end":"17:41","startHours":15.938905222908453,"endHours":17.684130921181932,"quality":"auspicious"},{"name":"Kāla","start":"17:41","end":"19:26","startHours":17.684130921181932,"endHours":19.42935661945541,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:26","end":"20:41","startHours":19.42935661945541,"endHours":20.684130921181932,"quality":"auspicious"},{"name":"Amṛta","start":"20:41","end":"21:56","startHours":20.684130921181932,"endHours":21.938905222908453,"quality":"auspicious"},{"name":"Kāla","start":"21:56","end":"23:12","startHours":21.938905222908453,"endHours":23.193679524634973,"quality":"inauspicious"},{"name":"Śubha","start":"23:12","end":"00:27","startHours":23.193679524634973,"endHours":24.448453826361494,"quality":"auspicious"},{"name":"Roga","start":"00:27","end":"01:42","startHours":24.448453826361494,"endHours":25.703228128088014,"quality":"inauspicious"},{"name":"Udveg","start":"01:42","end":"02:57","startHours":25.703228128088014,"endHours":26.958002429814535,"quality":"inauspicious"},{"name":"Chala","start":"02:57","end":"04:13","startHours":26.958002429814535,"endHours":28.212776731541055,"quality":"neutral"},{"name":"Labha","start":"04:13","end":"05:28","startHours":28.212776731541055,"endHours":29.467551033267576,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.4675510332675765,"endHours":6.4675510332675765,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.4675510332675765,"endHours":7.4675510332675765,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.4675510332675765,"endHours":8.467551033267576,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.467551033267576,"endHours":9.467551033267576,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.467551033267576,"endHours":10.467551033267576,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.467551033267576,"endHours":11.467551033267576,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.467551033267576,"endHours":12.467551033267576,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.467551033267576,"endHours":13.467551033267576,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.467551033267576,"endHours":14.467551033267576,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.467551033267576,"endHours":15.467551033267576,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.467551033267576,"endHours":16.467551033267576,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.467551033267576,"endHours":17.467551033267576,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.467551033267576,"endHours":18.467551033267576,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.467551033267576,"endHours":19.467551033267576,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.467551033267576,"endHours":20.467551033267576,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.467551033267576,"endHours":21.467551033267576,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.467551033267576,"endHours":22.467551033267576,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.467551033267576,"endHours":23.467551033267576,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.467551033267576,"endHours":24.467551033267576,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.467551033267576,"endHours":25.467551033267576,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.467551033267576,"endHours":26.467551033267576,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.467551033267576,"endHours":27.467551033267576,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.467551033267576,"endHours":28.467551033267576,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.467551033267576,"endHours":29.467551033267576,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.700446892290962,"eotMinutes":-10.349229581689698,"ayanamsa":22.0097}},"calendars":{"vikram_samvat":1925,"vikram_samvatsara":"Vṛṣa","saka_samvat":1790,"saka_samvatsara":"Vibhava","bengali_samvat":1275,"malayalam_era":1044,"nanakshahi_year":399,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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":"Māgha Kṛṣṇa Navamī · Vikram 1925 Vṛṣa · Śaka 1790 Vibhava"},"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 January 18, 1868 CE · Perth, Australia · Vidhyamitra","description":"January 18, 1868 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 05:28, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1868-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1868-01-18","sa":"https://sa.vidhyamitra.com/city/perth/1868-01-18","hi":"https://hi.vidhyamitra.com/city/perth/1868-01-18","x-default":"https://vidhyamitra.com/city/perth/1868-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:08:52.723Z","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":"2026-06-01T13:08:52.723Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:08:52.723Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}