{"id":"vidhyamitra:city-day:perth:2098-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2098-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2098-01-11","date_display":"January 11, 2098 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":2098,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487349.770833,"kali_year":5199,"ahargana":1898884.2708,"sun":{"sidereal_longitude":265.7381,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":3.5328,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.7946,"elapsed_within_tithi_degrees":1.7946},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":3.5328,"elapsed_within_degrees":3.5328},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.2709},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2098,"month":1,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2487349.770833,"ahargana":1898884.2708,"kali_year":5199,"ayanamsa_lahiri":25.2224,"grahas":{"sun":{"sidereal_longitude":266.12160500000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":0.11020500000000766,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":-0.3481},"mars":{"sidereal_longitude":342.069005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":254.22400500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":113.78860499999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":271.388505,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":155.21540500000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":7.9733,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":187.9733,"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":2098,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487349.770833,"kali_year":5199,"ahargana":1898884.2708,"sun":{"sidereal_longitude":265.7381,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":3.5328,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.7946,"elapsed_within_tithi_degrees":1.7946},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":3.5328,"elapsed_within_degrees":3.5328},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.2709},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.348,"elongation":97.795},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.348,"opposition_distance":82.205}},"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":"05:22","sunsetLocal":"19:26","solarNoonLocal":"12:24","dayLengthHours":14.0662300423378,"dayLengthDisplay":"14 Hours 03 Mins 58 Secs","nightLengthDisplay":"9 Hours 56 Mins 02 Secs","moonriseLocal":"13:02","moonsetLocal":"00:18","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:39","startHours":8.890850859998327,"endHours":10.649129615290551,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:10","end":"15:55","startHours":14.165687125875,"endHours":15.923965881167227,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:22","end":"07:08","startHours":5.374293349413876,"endHours":7.132572104706101,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:08","startHours":8.65641369262603,"endHours":9.125288027370623,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.960386267844618,"endHours":6.335485735640293,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:53","startHours":11.938534035838183,"endHours":12.876282705327368,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:26","startHours":3.4987960104355027,"endHours":4.4365446799246895,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:22","startHours":4.202107512552393,"endHours":5.374293349413876,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:41","startHours":14.751780044305743,"endHours":15.68952871379493,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.240523391751676,"endHours":19.640523391751675,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:02","startHours":19.440523391751675,"endHours":20.026616310182416,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.190523391751675,"endHours":20.940523391751675,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:53","startHours":23.93853403583818,"endHours":24.87628270532737,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:22","end":"07:08","startHours":5.374293349413876,"endHours":7.132572104706101,"quality":"inauspicious"},{"name":"Śubha","start":"07:08","end":"08:53","startHours":7.132572104706101,"endHours":8.890850859998327,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:39","startHours":8.890850859998327,"endHours":10.649129615290551,"quality":"inauspicious"},{"name":"Udveg","start":"10:39","end":"12:24","startHours":10.649129615290551,"endHours":12.407408370582775,"quality":"inauspicious"},{"name":"Chala","start":"12:24","end":"14:10","startHours":12.407408370582775,"endHours":14.165687125875,"quality":"neutral"},{"name":"Labha","start":"14:10","end":"15:55","startHours":14.165687125875,"endHours":15.923965881167227,"quality":"auspicious"},{"name":"Amṛta","start":"15:55","end":"17:41","startHours":15.923965881167227,"endHours":17.68224463645945,"quality":"auspicious"},{"name":"Kāla","start":"17:41","end":"19:26","startHours":17.68224463645945,"endHours":19.440523391751675,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:26","end":"20:41","startHours":19.440523391751675,"endHours":20.68224463645945,"quality":"auspicious"},{"name":"Amṛta","start":"20:41","end":"21:55","startHours":20.68224463645945,"endHours":21.923965881167227,"quality":"auspicious"},{"name":"Kāla","start":"21:55","end":"23:10","startHours":21.923965881167227,"endHours":23.165687125875,"quality":"inauspicious"},{"name":"Śubha","start":"23:10","end":"00:24","startHours":23.165687125875,"endHours":24.407408370582775,"quality":"auspicious"},{"name":"Roga","start":"00:24","end":"01:39","startHours":24.407408370582775,"endHours":25.64912961529055,"quality":"inauspicious"},{"name":"Udveg","start":"01:39","end":"02:53","startHours":25.64912961529055,"endHours":26.890850859998324,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:08","startHours":26.890850859998324,"endHours":28.1325721047061,"quality":"neutral"},{"name":"Labha","start":"04:08","end":"05:22","startHours":28.1325721047061,"endHours":29.374293349413875,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.374293349413876,"endHours":6.374293349413876,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.374293349413876,"endHours":7.374293349413876,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.374293349413876,"endHours":8.374293349413875,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.374293349413875,"endHours":9.374293349413875,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.374293349413875,"endHours":10.374293349413875,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.374293349413875,"endHours":11.374293349413875,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.374293349413875,"endHours":12.374293349413875,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.374293349413875,"endHours":13.374293349413875,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.374293349413875,"endHours":14.374293349413875,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.374293349413875,"endHours":15.374293349413875,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.374293349413875,"endHours":16.374293349413875,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.374293349413875,"endHours":17.374293349413875,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.374293349413875,"endHours":18.374293349413875,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.374293349413875,"endHours":19.374293349413875,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.374293349413875,"endHours":20.374293349413875,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.374293349413875,"endHours":21.374293349413875,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.374293349413875,"endHours":22.374293349413875,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.374293349413875,"endHours":23.374293349413875,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.374293349413875,"endHours":24.374293349413875,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.374293349413875,"endHours":25.374293349413875,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.374293349413875,"endHours":26.374293349413875,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.374293349413875,"endHours":27.374293349413875,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.374293349413875,"endHours":28.374293349413875,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.374293349413875,"endHours":29.374293349413875,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.743543663946152,"eotMinutes":-7.886502234966622,"ayanamsa":25.2224}},"calendars":{"vikram_samvat":2155,"vikram_samvatsara":"Prajāpati","saka_samvat":2020,"saka_samvatsara":"Kālayukta","bengali_samvat":1505,"malayalam_era":1274,"nanakshahi_year":629,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Navamī · Vikram 2155 Prajāpati · Śaka 2020 Kālayukta"},"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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 11, 2098 CE · Perth, Australia · Vidhyamitra","description":"January 11, 2098 CE for Perth, Australia: Śukla Navamī, sūryodaya 05:22, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2098-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2098-01-11","sa":"https://sa.vidhyamitra.com/city/perth/2098-01-11","hi":"https://hi.vidhyamitra.com/city/perth/2098-01-11","x-default":"https://vidhyamitra.com/city/perth/2098-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:38:44.800Z","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":"2026-06-02T11:38:44.800Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:38:44.800Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}