{"id":"vidhyamitra:city-day:melbourne:1981-04-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/1981-04-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-04-06","date_display":"April 6, 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":4,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444700.770833,"kali_year":5082,"ahargana":1856235.2708,"sun":{"sidereal_longitude":352.7685,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":7.8653,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.0969,"elapsed_within_tithi_degrees":3.0969},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.8653,"elapsed_within_degrees":7.8653},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.6338},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":4,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444700.770833,"ahargana":1856235.2708,"kali_year":5082,"ayanamsa_lahiri":23.5912,"grahas":{"sun":{"sidereal_longitude":352.56921,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":9.620810000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":-4.4334},"mars":{"sidereal_longitude":352.05851,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":332.72231,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":160.62441,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"venus":{"sidereal_longitude":352.50941,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":161.86671,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":107.7225,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":287.7225,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"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":4,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444700.770833,"kali_year":5082,"ahargana":1856235.2708,"sun":{"sidereal_longitude":352.7685,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":7.8653,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.0969,"elapsed_within_tithi_degrees":3.0969},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.8653,"elapsed_within_degrees":7.8653},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.6338},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.433,"elongation":15.097},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.433,"opposition_distance":164.903}},"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":"06:39","sunsetLocal":"18:07","solarNoonLocal":"12:23","dayLengthHours":11.480693010716868,"dayLengthDisplay":"11 Hours 28 Mins 50 Secs","nightLengthDisplay":"12 Hours 31 Mins 10 Secs","moonriseLocal":"08:08","moonsetLocal":"18:54","rahuKala":{"name":"Rāhu Kāla","start":"08:05","end":"09:31","startHours":8.077030609298559,"endHours":9.512117235638168,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:57","end":"12:23","startHours":10.947203861977776,"endHours":12.382290488317384,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:49","end":"15:15","startHours":13.817377114656994,"endHours":15.252463740996602,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:42","startHours":9.32077235212622,"endHours":9.703462119150116,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:26","startHours":7.120306191738821,"endHours":7.426458005357937,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:46","startHours":11.999600721293488,"endHours":12.76498025534128,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:07","end":"05:53","startHours":5.111184914863369,"endHours":5.87656444891116,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:39","startHours":5.685219565399212,"endHours":6.641943982958951,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:04","startHours":14.295739323436862,"endHours":15.061118857484654,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.92263699367582,"endHours":18.322636993675818,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:36","startHours":18.12263699367582,"endHours":18.60099920245569,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.87263699367582,"endHours":19.62263699367582,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:46","startHours":23.99960072129349,"endHours":24.76498025534128,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:39","end":"08:05","startHours":6.641943982958951,"endHours":8.077030609298559,"quality":"auspicious"},{"name":"Kāla","start":"08:05","end":"09:31","startHours":8.077030609298559,"endHours":9.512117235638168,"quality":"inauspicious"},{"name":"Śubha","start":"09:31","end":"10:57","startHours":9.512117235638168,"endHours":10.947203861977776,"quality":"auspicious"},{"name":"Roga","start":"10:57","end":"12:23","startHours":10.947203861977776,"endHours":12.382290488317384,"quality":"inauspicious"},{"name":"Udveg","start":"12:23","end":"13:49","startHours":12.382290488317384,"endHours":13.817377114656994,"quality":"inauspicious"},{"name":"Chala","start":"13:49","end":"15:15","startHours":13.817377114656994,"endHours":15.252463740996602,"quality":"neutral"},{"name":"Labha","start":"15:15","end":"16:41","startHours":15.252463740996602,"endHours":16.68755036733621,"quality":"auspicious"},{"name":"Amṛta","start":"16:41","end":"18:07","startHours":16.68755036733621,"endHours":18.12263699367582,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:07","end":"19:41","startHours":18.12263699367582,"endHours":19.68755036733621,"quality":"neutral"},{"name":"Labha","start":"19:41","end":"21:15","startHours":19.68755036733621,"endHours":21.252463740996603,"quality":"auspicious"},{"name":"Amṛta","start":"21:15","end":"22:49","startHours":21.252463740996603,"endHours":22.817377114656992,"quality":"auspicious"},{"name":"Kāla","start":"22:49","end":"00:23","startHours":22.817377114656992,"endHours":24.382290488317384,"quality":"inauspicious"},{"name":"Śubha","start":"00:23","end":"01:57","startHours":24.382290488317384,"endHours":25.947203861977776,"quality":"auspicious"},{"name":"Roga","start":"01:57","end":"03:31","startHours":25.947203861977776,"endHours":27.51211723563817,"quality":"inauspicious"},{"name":"Udveg","start":"03:31","end":"05:05","startHours":27.51211723563817,"endHours":29.07703060929856,"quality":"inauspicious"},{"name":"Chala","start":"05:05","end":"06:39","startHours":29.07703060929856,"endHours":30.64194398295895,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:39","end":"07:39","startHours":6.641943982958951,"endHours":7.641943982958951,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:39","end":"08:39","startHours":7.641943982958951,"endHours":8.641943982958951,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:39","end":"09:39","startHours":8.641943982958951,"endHours":9.641943982958951,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:39","end":"10:39","startHours":9.641943982958951,"endHours":10.641943982958951,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:39","end":"11:39","startHours":10.641943982958951,"endHours":11.641943982958951,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:39","end":"12:39","startHours":11.641943982958951,"endHours":12.641943982958951,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:39","end":"13:39","startHours":12.641943982958951,"endHours":13.641943982958951,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:39","end":"14:39","startHours":13.641943982958951,"endHours":14.641943982958951,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:39","end":"15:39","startHours":14.641943982958951,"endHours":15.641943982958951,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:39","end":"16:39","startHours":15.641943982958951,"endHours":16.64194398295895,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:39","end":"17:39","startHours":16.64194398295895,"endHours":17.64194398295895,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:39","end":"18:39","startHours":17.64194398295895,"endHours":18.64194398295895,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:39","end":"19:39","startHours":18.64194398295895,"endHours":19.64194398295895,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:39","end":"20:39","startHours":19.64194398295895,"endHours":20.64194398295895,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:39","end":"21:39","startHours":20.64194398295895,"endHours":21.64194398295895,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:39","end":"22:39","startHours":21.64194398295895,"endHours":22.64194398295895,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:39","end":"23:39","startHours":22.64194398295895,"endHours":23.64194398295895,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:39","end":"00:39","startHours":23.64194398295895,"endHours":24.64194398295895,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:39","end":"01:39","startHours":24.64194398295895,"endHours":25.64194398295895,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:39","end":"02:39","startHours":25.64194398295895,"endHours":26.64194398295895,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:39","end":"03:39","startHours":26.64194398295895,"endHours":27.64194398295895,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:39","end":"04:39","startHours":27.64194398295895,"endHours":28.64194398295895,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:39","end":"05:39","startHours":28.64194398295895,"endHours":29.64194398295895,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:39","end":"06:39","startHours":29.64194398295895,"endHours":30.64194398295895,"planetary_lord":"Venus"}],"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":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.3556622306528405,"eotMinutes":-2.7898292990430456,"ayanamsa":23.5912}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvitīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 6, 1981 CE · Melbourne, Australia · Vidhyamitra","description":"April 6, 1981 CE for Melbourne, Australia: Śukla Dvitīyā, sūryodaya 06:39, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/1981-04-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/1981-04-06","sa":"https://sa.vidhyamitra.com/city/melbourne/1981-04-06","hi":"https://hi.vidhyamitra.com/city/melbourne/1981-04-06","x-default":"https://vidhyamitra.com/city/melbourne/1981-04-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:58:40.553Z","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":"2026-05-31T15:58:40.553Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:58:40.553Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}