{"id":"vidhyamitra:city-day:melbourne:2026-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/2026-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-04-18","date_display":"April 18, 2026 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":2026,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461148.770833,"kali_year":5128,"ahargana":1872683.2708,"sun":{"sidereal_longitude":3.8709,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":9.8631,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":5.9922,"elapsed_within_tithi_degrees":5.9922},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.8631,"elapsed_within_degrees":9.8631},"yoga":{"number":2,"name":"Prīti","sum_longitude":13.734},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2026,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461148.770833,"ahargana":1872683.2708,"kali_year":5128,"ayanamsa_lahiri":24.2203,"grahas":{"sun":{"sidereal_longitude":3.812176000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":11.452376000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":3.6223},"mars":{"sidereal_longitude":341.758376,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":339.544676,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":82.895376,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":27.977976000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":343.497576,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":316.2283,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":136.2283,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2026,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461148.770833,"kali_year":5128,"ahargana":1872683.2708,"sun":{"sidereal_longitude":3.8709,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":9.8631,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":5.9922,"elapsed_within_tithi_degrees":5.9922},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.8631,"elapsed_within_degrees":9.8631},"yoga":{"number":2,"name":"Prīti","sum_longitude":13.734},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.622,"elongation":5.992},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.622,"opposition_distance":174.008}},"eclipse_window_40days":[]},"city":{"slug":"melbourne","name":"Melbourne, Australia","lat":-37.8136,"lon":144.9631,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"melbourne","name":"Melbourne, Australia","lat":-37.8136,"lon":144.9631,"tz_offset_hours":10,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:49","sunsetLocal":"17:50","solarNoonLocal":"12:20","dayLengthHours":11.012270209129799,"dayLengthDisplay":"11 Hours 00 Mins 44 Secs","nightLengthDisplay":"12 Hours 59 Mins 16 Secs","moonriseLocal":"07:30","moonsetLocal":"18:11","rahuKala":{"name":"Rāhu Kāla","start":"09:34","end":"10:57","startHours":9.574294399452826,"endHours":10.95082817559405,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:05","startHours":13.7038957278765,"endHours":15.080429504017726,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:49","end":"08:12","startHours":6.821226847170377,"endHours":8.197760623311602,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:45","startHours":9.390756562633996,"endHours":9.757832236271657,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:34","startHours":7.280071439217451,"endHours":7.573731978127579,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:42","startHours":11.960286278097616,"endHours":12.694437625372935,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:05","startHours":5.352924152619737,"endHours":6.0870754998950565,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:49","startHours":5.903537663076227,"endHours":6.821226847170377,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.162740319923575,"endHours":14.896891667198895,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.633497056300175,"endHours":18.033497056300174,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:18","startHours":17.833497056300175,"endHours":18.29234164834725,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.583497056300175,"endHours":19.333497056300175,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:42","startHours":23.960286278097616,"endHours":24.694437625372938,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:49","end":"08:12","startHours":6.821226847170377,"endHours":8.197760623311602,"quality":"inauspicious"},{"name":"Śubha","start":"08:12","end":"09:34","startHours":8.197760623311602,"endHours":9.574294399452826,"quality":"auspicious"},{"name":"Roga","start":"09:34","end":"10:57","startHours":9.574294399452826,"endHours":10.95082817559405,"quality":"inauspicious"},{"name":"Udveg","start":"10:57","end":"12:20","startHours":10.95082817559405,"endHours":12.327361951735277,"quality":"inauspicious"},{"name":"Chala","start":"12:20","end":"13:42","startHours":12.327361951735277,"endHours":13.7038957278765,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:05","startHours":13.7038957278765,"endHours":15.080429504017726,"quality":"auspicious"},{"name":"Amṛta","start":"15:05","end":"16:27","startHours":15.080429504017726,"endHours":16.456963280158952,"quality":"auspicious"},{"name":"Kāla","start":"16:27","end":"17:50","startHours":16.456963280158952,"endHours":17.833497056300175,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:50","end":"19:27","startHours":17.833497056300175,"endHours":19.45696328015895,"quality":"auspicious"},{"name":"Amṛta","start":"19:27","end":"21:05","startHours":19.45696328015895,"endHours":21.080429504017726,"quality":"auspicious"},{"name":"Kāla","start":"21:05","end":"22:42","startHours":21.080429504017726,"endHours":22.7038957278765,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:20","startHours":22.7038957278765,"endHours":24.327361951735277,"quality":"auspicious"},{"name":"Roga","start":"00:20","end":"01:57","startHours":24.327361951735277,"endHours":25.95082817559405,"quality":"inauspicious"},{"name":"Udveg","start":"01:57","end":"03:34","startHours":25.95082817559405,"endHours":27.574294399452825,"quality":"inauspicious"},{"name":"Chala","start":"03:34","end":"05:12","startHours":27.574294399452825,"endHours":29.197760623311602,"quality":"neutral"},{"name":"Labha","start":"05:12","end":"06:49","startHours":29.197760623311602,"endHours":30.821226847170376,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:49","end":"07:49","startHours":6.821226847170377,"endHours":7.821226847170377,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:49","end":"08:49","startHours":7.821226847170377,"endHours":8.821226847170376,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:49","end":"09:49","startHours":8.821226847170376,"endHours":9.821226847170376,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:49","end":"10:49","startHours":9.821226847170376,"endHours":10.821226847170376,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:49","end":"11:49","startHours":10.821226847170376,"endHours":11.821226847170376,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:49","end":"12:49","startHours":11.821226847170376,"endHours":12.821226847170376,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:49","end":"13:49","startHours":12.821226847170376,"endHours":13.821226847170376,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:49","end":"14:49","startHours":13.821226847170376,"endHours":14.821226847170376,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:49","end":"15:49","startHours":14.821226847170376,"endHours":15.821226847170376,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:49","end":"16:49","startHours":15.821226847170376,"endHours":16.821226847170376,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:49","end":"17:49","startHours":16.821226847170376,"endHours":17.821226847170376,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:49","end":"18:49","startHours":17.821226847170376,"endHours":18.821226847170376,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:49","end":"19:49","startHours":18.821226847170376,"endHours":19.821226847170376,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:49","end":"20:49","startHours":19.821226847170376,"endHours":20.821226847170376,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:49","end":"21:49","startHours":20.821226847170376,"endHours":21.821226847170376,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:49","end":"22:49","startHours":21.821226847170376,"endHours":22.821226847170376,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:49","end":"23:49","startHours":22.821226847170376,"endHours":23.821226847170376,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:49","end":"00:49","startHours":23.821226847170376,"endHours":24.821226847170376,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:49","end":"01:49","startHours":24.821226847170376,"endHours":25.821226847170376,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:49","end":"02:49","startHours":25.821226847170376,"endHours":26.821226847170376,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:49","end":"03:49","startHours":26.821226847170376,"endHours":27.821226847170376,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:49","end":"04:49","startHours":27.821226847170376,"endHours":28.821226847170376,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:49","end":"05:49","startHours":28.821226847170376,"endHours":29.821226847170376,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:49","end":"06:49","startHours":29.821226847170376,"endHours":30.821226847170376,"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"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.77327411928693,"eotMinutes":0.5058828958834352,"ayanamsa":24.2203}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pratipada · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"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}]},"validity":{"eternal":false,"location_specific":"melbourne"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 18, 2026 CE · Melbourne, Australia · Vidhyamitra","description":"April 18, 2026 CE for Melbourne, Australia: Śukla Pratipada, sūryodaya 06:49, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/2026-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/2026-04-18","sa":"https://sa.vidhyamitra.com/city/melbourne/2026-04-18","hi":"https://hi.vidhyamitra.com/city/melbourne/2026-04-18","x-default":"https://vidhyamitra.com/city/melbourne/2026-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T19:37:23.684Z","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":"2026-05-14T19:37:23.684Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T19:37:23.684Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}