{"id":"vidhyamitra:city-day:melbourne:1981-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/1981-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-04","date_display":"October 4, 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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444881.770833,"kali_year":5083,"ahargana":1856416.2708,"sun":{"sidereal_longitude":166.4347,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":234.9687,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.534,"elapsed_within_tithi_degrees":8.534},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.9687,"elapsed_within_degrees":8.302},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.4034},"karana":{"half_tithi_index":11,"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":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444881.770833,"ahargana":1856416.2708,"kali_year":5083,"ayanamsa_lahiri":23.5982,"grahas":{"sun":{"sidereal_longitude":167.13609500000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":232.20819499999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":3.0767},"mars":{"sidereal_longitude":116.510895,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":190.47139500000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":175.30519500000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":211.06289500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":168.66609500000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.1323,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.1323,"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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444881.770833,"kali_year":5083,"ahargana":1856416.2708,"sun":{"sidereal_longitude":166.4347,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":234.9687,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.534,"elapsed_within_tithi_degrees":8.534},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.9687,"elapsed_within_degrees":8.302},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.4034},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.077,"elongation":68.534},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.077,"opposition_distance":111.466}},"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":"05:51","sunsetLocal":"18:26","solarNoonLocal":"12:08","dayLengthHours":12.58193661051083,"dayLengthDisplay":"12 Hours 34 Mins 55 Secs","nightLengthDisplay":"11 Hours 25 Mins 05 Secs","moonriseLocal":"09:09","moonsetLocal":"23:47","rahuKala":{"name":"Rāhu Kāla","start":"16:51","end":"18:26","startHours":16.852401842480056,"endHours":18.42514391879391,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:08","end":"13:42","startHours":12.134175613538495,"endHours":13.70691768985235,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:17","end":"16:51","startHours":15.279659766166203,"endHours":16.852401842480056,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:12","startHours":8.778992517402274,"endHours":9.198390404419301,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:42","startHours":6.367454667054365,"endHours":6.702972976667987,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:33","startHours":11.714777726521469,"endHours":12.553573500555522,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:00","startHours":4.16561576021497,"endHours":5.004411534249025,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:51","startHours":4.794712590740511,"endHours":5.84320730828308,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:04","startHours":14.231165048623634,"endHours":15.06996082265769,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.22514391879391,"endHours":18.62514391879391,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:57","startHours":18.42514391879391,"endHours":18.949391277565194,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.17514391879391,"endHours":19.92514391879391,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:33","startHours":23.71477772652147,"endHours":24.553573500555522,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:51","end":"07:25","startHours":5.84320730828308,"endHours":7.415949384596934,"quality":"inauspicious"},{"name":"Chala","start":"07:25","end":"08:59","startHours":7.415949384596934,"endHours":8.988691460910788,"quality":"neutral"},{"name":"Labha","start":"08:59","end":"10:34","startHours":8.988691460910788,"endHours":10.56143353722464,"quality":"auspicious"},{"name":"Amṛta","start":"10:34","end":"12:08","startHours":10.56143353722464,"endHours":12.134175613538495,"quality":"auspicious"},{"name":"Kāla","start":"12:08","end":"13:42","startHours":12.134175613538495,"endHours":13.70691768985235,"quality":"inauspicious"},{"name":"Śubha","start":"13:42","end":"15:17","startHours":13.70691768985235,"endHours":15.279659766166203,"quality":"auspicious"},{"name":"Roga","start":"15:17","end":"16:51","startHours":15.279659766166203,"endHours":16.852401842480056,"quality":"inauspicious"},{"name":"Udveg","start":"16:51","end":"18:26","startHours":16.852401842480056,"endHours":18.42514391879391,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:26","end":"19:51","startHours":18.42514391879391,"endHours":19.852401842480056,"quality":"auspicious"},{"name":"Roga","start":"19:51","end":"21:17","startHours":19.852401842480056,"endHours":21.279659766166205,"quality":"inauspicious"},{"name":"Udveg","start":"21:17","end":"22:42","startHours":21.279659766166205,"endHours":22.70691768985235,"quality":"inauspicious"},{"name":"Chala","start":"22:42","end":"00:08","startHours":22.70691768985235,"endHours":24.134175613538495,"quality":"neutral"},{"name":"Labha","start":"00:08","end":"01:34","startHours":24.134175613538495,"endHours":25.56143353722464,"quality":"auspicious"},{"name":"Amṛta","start":"01:34","end":"02:59","startHours":25.56143353722464,"endHours":26.988691460910786,"quality":"auspicious"},{"name":"Kāla","start":"02:59","end":"04:25","startHours":26.988691460910786,"endHours":28.415949384596935,"quality":"inauspicious"},{"name":"Śubha","start":"04:25","end":"05:51","startHours":28.415949384596935,"endHours":29.84320730828308,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.84320730828308,"endHours":6.84320730828308,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.84320730828308,"endHours":7.84320730828308,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.84320730828308,"endHours":8.84320730828308,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.84320730828308,"endHours":9.84320730828308,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.84320730828308,"endHours":10.84320730828308,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.84320730828308,"endHours":11.84320730828308,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.84320730828308,"endHours":12.84320730828308,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.84320730828308,"endHours":13.84320730828308,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.84320730828308,"endHours":14.84320730828308,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.84320730828308,"endHours":15.84320730828308,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.84320730828308,"endHours":16.84320730828308,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.84320730828308,"endHours":17.84320730828308,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.84320730828308,"endHours":18.84320730828308,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.84320730828308,"endHours":19.84320730828308,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.84320730828308,"endHours":20.84320730828308,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.84320730828308,"endHours":21.84320730828308,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.84320730828308,"endHours":22.84320730828308,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.84320730828308,"endHours":23.84320730828308,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.84320730828308,"endHours":24.84320730828308,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.84320730828308,"endHours":25.84320730828308,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.84320730828308,"endHours":26.84320730828308,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.84320730828308,"endHours":27.84320730828308,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.84320730828308,"endHours":28.84320730828308,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.84320730828308,"endHours":29.84320730828308,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.248337527850095,"eotMinutes":12.09706318769023,"ayanamsa":23.5982}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Ṣaṣṭhī · 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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 October 4, 1981 CE · Melbourne, Australia · Vidhyamitra","description":"October 4, 1981 CE for Melbourne, Australia: Śukla Ṣaṣṭhī, sūryodaya 05:51, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/1981-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/1981-10-04","sa":"https://sa.vidhyamitra.com/city/melbourne/1981-10-04","hi":"https://hi.vidhyamitra.com/city/melbourne/1981-10-04","x-default":"https://vidhyamitra.com/city/melbourne/1981-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:50:26.643Z","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":"2026-05-31T03:50:26.643Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:50:26.643Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}