{"id":"vidhyamitra:city-day:melbourne:1981-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/1981-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-18","date_display":"October 18, 1981 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":1981,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444895.770833,"kali_year":5083,"ahargana":1856430.2708,"sun":{"sidereal_longitude":180.2965,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":59.5813,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.2848,"elapsed_within_tithi_degrees":11.2848},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.5813,"elapsed_within_degrees":6.248},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.8778},"karana":{"half_tithi_index":39,"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":1981,"month":10,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444895.770833,"ahargana":1856430.2708,"kali_year":5083,"ayanamsa_lahiri":23.5987,"grahas":{"sun":{"sidereal_longitude":180.98026000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":63.479960000000005,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-2.7569},"mars":{"sidereal_longitude":124.86836,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":182.32806000000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":178.35375999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":226.82146,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":170.37986,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":97.3905,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.3905,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara 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":1981,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444895.770833,"kali_year":5083,"ahargana":1856430.2708,"sun":{"sidereal_longitude":180.2965,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":59.5813,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":239.2848,"elapsed_within_tithi_degrees":11.2848},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.5813,"elapsed_within_degrees":6.248},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.8778},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.757,"elongation":120.715},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.757,"opposition_distance":59.285}},"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":"05:31","sunsetLocal":"18:39","solarNoonLocal":"12:05","dayLengthHours":13.141304159009366,"dayLengthDisplay":"13 Hours 08 Mins 29 Secs","nightLengthDisplay":"10 Hours 51 Mins 31 Secs","moonriseLocal":"23:30","moonsetLocal":"09:00","rahuKala":{"name":"Rāhu Kāla","start":"17:00","end":"18:39","startHours":17.00718808957487,"endHours":18.649851109451042,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:05","end":"13:43","startHours":12.07919902994636,"endHours":13.72186204982253,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:22","end":"17:00","startHours":15.3645250696987,"endHours":17.00718808957487,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"09:01","startHours":8.574851254210527,"endHours":9.012894726177507,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:24","startHours":6.056101290400399,"endHours":6.406536067973982,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:31","startHours":11.64115555797938,"endHours":12.517242501913339,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:45","end":"04:38","startHours":3.7563730625737604,"endHours":4.632460006507718,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:25","end":"05:31","startHours":4.413438270524228,"endHours":5.5085469504416755,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:09","startHours":14.269416389781252,"endHours":15.14550333371521,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.449851109451043,"endHours":18.84985110945104,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:12","startHours":18.649851109451042,"endHours":19.197405449409764,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.399851109451042,"endHours":20.149851109451042,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:31","startHours":23.64115555797938,"endHours":24.517242501913337,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:31","end":"07:09","startHours":5.5085469504416755,"endHours":7.151209970317846,"quality":"inauspicious"},{"name":"Chala","start":"07:09","end":"08:48","startHours":7.151209970317846,"endHours":8.793872990194018,"quality":"neutral"},{"name":"Labha","start":"08:48","end":"10:26","startHours":8.793872990194018,"endHours":10.436536010070188,"quality":"auspicious"},{"name":"Amṛta","start":"10:26","end":"12:05","startHours":10.436536010070188,"endHours":12.07919902994636,"quality":"auspicious"},{"name":"Kāla","start":"12:05","end":"13:43","startHours":12.07919902994636,"endHours":13.72186204982253,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:22","startHours":13.72186204982253,"endHours":15.3645250696987,"quality":"auspicious"},{"name":"Roga","start":"15:22","end":"17:00","startHours":15.3645250696987,"endHours":17.00718808957487,"quality":"inauspicious"},{"name":"Udveg","start":"17:00","end":"18:39","startHours":17.00718808957487,"endHours":18.649851109451042,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:39","end":"20:00","startHours":18.649851109451042,"endHours":20.00718808957487,"quality":"auspicious"},{"name":"Roga","start":"20:00","end":"21:22","startHours":20.00718808957487,"endHours":21.3645250696987,"quality":"inauspicious"},{"name":"Udveg","start":"21:22","end":"22:43","startHours":21.3645250696987,"endHours":22.72186204982253,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:05","startHours":22.72186204982253,"endHours":24.07919902994636,"quality":"neutral"},{"name":"Labha","start":"00:05","end":"01:26","startHours":24.07919902994636,"endHours":25.43653601007019,"quality":"auspicious"},{"name":"Amṛta","start":"01:26","end":"02:48","startHours":25.43653601007019,"endHours":26.793872990194018,"quality":"auspicious"},{"name":"Kāla","start":"02:48","end":"04:09","startHours":26.793872990194018,"endHours":28.151209970317847,"quality":"inauspicious"},{"name":"Śubha","start":"04:09","end":"05:31","startHours":28.151209970317847,"endHours":29.508546950441676,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.5085469504416755,"endHours":6.5085469504416755,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.5085469504416755,"endHours":7.5085469504416755,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.5085469504416755,"endHours":8.508546950441676,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.508546950441676,"endHours":9.508546950441676,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.508546950441676,"endHours":10.508546950441676,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.508546950441676,"endHours":11.508546950441676,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.508546950441676,"endHours":12.508546950441676,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.508546950441676,"endHours":13.508546950441676,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.508546950441676,"endHours":14.508546950441676,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.508546950441676,"endHours":15.508546950441676,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.508546950441676,"endHours":16.508546950441676,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.508546950441676,"endHours":17.508546950441676,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.508546950441676,"endHours":18.508546950441676,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.508546950441676,"endHours":19.508546950441676,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.508546950441676,"endHours":20.508546950441676,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.508546950441676,"endHours":21.508546950441676,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.508546950441676,"endHours":22.508546950441676,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.508546950441676,"endHours":23.508546950441676,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.508546950441676,"endHours":24.508546950441676,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.508546950441676,"endHours":25.508546950441676,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.508546950441676,"endHours":26.508546950441676,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.508546950441676,"endHours":27.508546950441676,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.508546950441676,"endHours":28.508546950441676,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.508546950441676,"endHours":29.508546950441676,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.522538838954576,"eotMinutes":15.395658203218455,"ayanamsa":23.5987}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Pañcamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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":"melbourne"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 18, 1981 CE · Melbourne, Australia · Vidhyamitra","description":"October 18, 1981 CE for Melbourne, Australia: Kṛṣṇa Pañcamī, sūryodaya 05:31, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/1981-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/1981-10-18","sa":"https://sa.vidhyamitra.com/city/melbourne/1981-10-18","hi":"https://hi.vidhyamitra.com/city/melbourne/1981-10-18","x-default":"https://vidhyamitra.com/city/melbourne/1981-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:30:17.865Z","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":"2026-05-31T09:30:17.865Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:30:17.865Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}