{"id":"vidhyamitra:city-day:sydney:2001-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/sydney/2001-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-01-18","date_display":"January 18, 2001 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":2001,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451927.770833,"kali_year":5102,"ahargana":1863462.2708,"sun":{"sidereal_longitude":274.056,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":198.9848,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.9288,"elapsed_within_tithi_degrees":8.9288},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":198.9848,"elapsed_within_degrees":12.3182},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.0408},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2001,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451927.770833,"ahargana":1863462.2708,"kali_year":5102,"ayanamsa_lahiri":23.8676,"grahas":{"sun":{"sidereal_longitude":274.14438599999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":202.24478599999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.1044},"mars":{"sidereal_longitude":200.87088600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":288.5348859999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":37.37968599999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":321.213786,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":30.145186000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":84.8013,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":264.8013,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2001,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451927.770833,"kali_year":5102,"ahargana":1863462.2708,"sun":{"sidereal_longitude":274.056,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":198.9848,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.9288,"elapsed_within_tithi_degrees":8.9288},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":198.9848,"elapsed_within_degrees":12.3182},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.0408},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.104,"elongation":75.071},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.104,"opposition_distance":104.929}},"eclipse_window_40days":[{"offset_days":-8,"type":"lunar","occurs":true,"moon_latitude":0.182,"opposition_distance":1.705}]},"city":{"slug":"sydney","name":"Sydney, Australia","lat":-33.8688,"lon":151.2093,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"sydney","name":"Sydney, Australia","lat":-33.8688,"lon":151.2093,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"sunriseLocal":"05:03","sunsetLocal":"19:08","solarNoonLocal":"12:06","dayLengthHours":14.091781235485486,"dayLengthDisplay":"14 Hours 05 Mins 30 Secs","nightLengthDisplay":"9 Hours 54 Mins 30 Secs","moonriseLocal":"00:29","moonsetLocal":"14:07","rahuKala":{"name":"Rāhu Kāla","start":"13:51","end":"15:37","startHours":13.853339814130514,"endHours":15.6148124685662,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:03","end":"06:48","startHours":5.045976541952085,"endHours":6.80744919638777,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:34","end":"10:20","startHours":8.568921850823456,"endHours":10.330394505259143,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:20","end":"08:48","startHours":8.334058830232031,"endHours":8.80378487141488,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:38","end":"06:01","startHours":5.633134093430646,"endHours":6.008914926376926,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:34","startHours":11.622141118511978,"endHours":12.561593200877676,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:10","end":"04:06","startHours":3.1670723772206864,"endHours":4.106524459586385,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:52","end":"05:03","startHours":3.871661438994961,"endHours":5.045976541952085,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:23","startHours":14.440497365609076,"endHours":15.379949447974775,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.93775777743757,"endHours":19.33775777743757,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:43","startHours":19.13775777743757,"endHours":19.724915328916133,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.88775777743757,"endHours":20.63775777743757,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:34","startHours":23.62214111851198,"endHours":24.561593200877677,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:03","end":"06:48","startHours":5.045976541952085,"endHours":6.80744919638777,"quality":"auspicious"},{"name":"Roga","start":"06:48","end":"08:34","startHours":6.80744919638777,"endHours":8.568921850823456,"quality":"inauspicious"},{"name":"Udveg","start":"08:34","end":"10:20","startHours":8.568921850823456,"endHours":10.330394505259143,"quality":"inauspicious"},{"name":"Chala","start":"10:20","end":"12:06","startHours":10.330394505259143,"endHours":12.091867159694829,"quality":"neutral"},{"name":"Labha","start":"12:06","end":"13:51","startHours":12.091867159694829,"endHours":13.853339814130514,"quality":"auspicious"},{"name":"Amṛta","start":"13:51","end":"15:37","startHours":13.853339814130514,"endHours":15.6148124685662,"quality":"auspicious"},{"name":"Kāla","start":"15:37","end":"17:23","startHours":15.6148124685662,"endHours":17.376285123001885,"quality":"inauspicious"},{"name":"Śubha","start":"17:23","end":"19:08","startHours":17.376285123001885,"endHours":19.13775777743757,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:08","end":"20:23","startHours":19.13775777743757,"endHours":20.376285123001885,"quality":"auspicious"},{"name":"Kāla","start":"20:23","end":"21:37","startHours":20.376285123001885,"endHours":21.6148124685662,"quality":"inauspicious"},{"name":"Śubha","start":"21:37","end":"22:51","startHours":21.6148124685662,"endHours":22.853339814130514,"quality":"auspicious"},{"name":"Roga","start":"22:51","end":"00:06","startHours":22.853339814130514,"endHours":24.09186715969483,"quality":"inauspicious"},{"name":"Udveg","start":"00:06","end":"01:20","startHours":24.09186715969483,"endHours":25.330394505259143,"quality":"inauspicious"},{"name":"Chala","start":"01:20","end":"02:34","startHours":25.330394505259143,"endHours":26.568921850823457,"quality":"neutral"},{"name":"Labha","start":"02:34","end":"03:48","startHours":26.568921850823457,"endHours":27.807449196387772,"quality":"auspicious"},{"name":"Amṛta","start":"03:48","end":"05:03","startHours":27.807449196387772,"endHours":29.045976541952086,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:03","end":"06:03","startHours":5.045976541952085,"endHours":6.045976541952085,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:03","end":"07:03","startHours":6.045976541952085,"endHours":7.045976541952085,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:03","end":"08:03","startHours":7.045976541952085,"endHours":8.045976541952085,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:03","end":"09:03","startHours":8.045976541952085,"endHours":9.045976541952085,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:03","end":"10:03","startHours":9.045976541952085,"endHours":10.045976541952085,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:03","end":"11:03","startHours":10.045976541952085,"endHours":11.045976541952085,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:03","end":"12:03","startHours":11.045976541952085,"endHours":12.045976541952085,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:03","end":"13:03","startHours":12.045976541952085,"endHours":13.045976541952085,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:03","end":"14:03","startHours":13.045976541952085,"endHours":14.045976541952085,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:03","end":"15:03","startHours":14.045976541952085,"endHours":15.045976541952085,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:03","end":"16:03","startHours":15.045976541952085,"endHours":16.045976541952086,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:03","end":"17:03","startHours":16.045976541952086,"endHours":17.045976541952086,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:03","end":"18:03","startHours":17.045976541952086,"endHours":18.045976541952086,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:03","end":"19:03","startHours":18.045976541952086,"endHours":19.045976541952086,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:03","end":"20:03","startHours":19.045976541952086,"endHours":20.045976541952086,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:03","end":"21:03","startHours":20.045976541952086,"endHours":21.045976541952086,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:03","end":"22:03","startHours":21.045976541952086,"endHours":22.045976541952086,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:03","end":"23:03","startHours":22.045976541952086,"endHours":23.045976541952086,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:03","end":"00:03","startHours":23.045976541952086,"endHours":24.045976541952086,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:03","end":"01:03","startHours":24.045976541952086,"endHours":25.045976541952086,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:03","end":"02:03","startHours":25.045976541952086,"endHours":26.045976541952086,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:03","end":"03:03","startHours":26.045976541952086,"endHours":27.045976541952086,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:03","end":"04:03","startHours":27.045976541952086,"endHours":28.045976541952086,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:03","end":"05:03","startHours":28.045976541952086,"endHours":29.045976541952086,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.556926883990428,"eotMinutes":-10.349229581689698,"ayanamsa":23.8676}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"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 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"sydney"},"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, 2001 CE · Sydney, Australia · Vidhyamitra","description":"January 18, 2001 CE for Sydney, Australia: Kṛṣṇa Navamī, sūryodaya 05:03, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/sydney/2001-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/sydney/2001-01-18","sa":"https://sa.vidhyamitra.com/city/sydney/2001-01-18","hi":"https://hi.vidhyamitra.com/city/sydney/2001-01-18","x-default":"https://vidhyamitra.com/city/sydney/2001-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T05:07:19.008Z","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":"2026-06-03T05:07:19.008Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T05:07:19.008Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}