{"id":"vidhyamitra:city-day:melbourne:2011-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/2011-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-05-13","date_display":"May 13, 2011 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":2011,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455694.770833,"kali_year":5113,"ahargana":1867229.2708,"sun":{"sidereal_longitude":27.917,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":149.5293,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.6123,"elapsed_within_tithi_degrees":1.6123},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.5293,"elapsed_within_degrees":2.8626},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.4463},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2011,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455694.770833,"ahargana":1867229.2708,"kali_year":5113,"ayanamsa_lahiri":24.0117,"grahas":{"sun":{"sidereal_longitude":27.94605899999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":146.87575900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-4.4779},"mars":{"sidereal_longitude":7.108159000000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":1.9224590000000035,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":1.0580590000000143,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":2.3639590000000226,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":166.98345900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":245.2075,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":65.2075,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455694.770833,"kali_year":5113,"ahargana":1867229.2708,"sun":{"sidereal_longitude":27.917,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":149.5293,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.6123,"elapsed_within_tithi_degrees":1.6123},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.5293,"elapsed_within_degrees":2.8626},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.4463},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.478,"elongation":121.612},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.478,"opposition_distance":58.388}},"eclipse_window_40days":[{"offset_days":20,"type":"solar","occurs":true,"moon_latitude":1.195,"elongation":1.712}]},"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":"07:11","sunsetLocal":"17:22","solarNoonLocal":"12:16","dayLengthHours":10.175247384262406,"dayLengthDisplay":"10 Hours 10 Mins 31 Secs","nightLengthDisplay":"13 Hours 49 Mins 29 Secs","moonriseLocal":"14:20","moonsetLocal":"02:04","rahuKala":{"name":"Rāhu Kāla","start":"11:00","end":"12:16","startHours":11.001330097907925,"endHours":12.273236020940725,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:49","end":"16:05","startHours":14.817047867006327,"endHours":16.088953790039128,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:27","end":"09:44","startHours":8.457518251842323,"endHours":9.729424174875124,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:54","startHours":9.55983671847075,"endHours":9.899011631279496,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:53","startHours":7.609580969820455,"endHours":7.880920900067453,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:37","startHours":11.934061108131978,"endHours":12.612410933749473,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:30","startHours":5.828912677574534,"endHours":6.507262503192028,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:11","startHours":6.337675046787655,"endHours":7.185612328809522,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:39","startHours":13.96911058498446,"endHours":14.647460410601953,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.16085971307193,"endHours":17.560859713071928,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.360859713071928,"endHours":17.784828354082862,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.110859713071928,"endHours":18.860859713071928,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:37","startHours":23.934061108131978,"endHours":24.612410933749473,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:11","end":"08:27","startHours":7.185612328809522,"endHours":8.457518251842323,"quality":"neutral"},{"name":"Labha","start":"08:27","end":"09:44","startHours":8.457518251842323,"endHours":9.729424174875124,"quality":"auspicious"},{"name":"Amṛta","start":"09:44","end":"11:00","startHours":9.729424174875124,"endHours":11.001330097907925,"quality":"auspicious"},{"name":"Kāla","start":"11:00","end":"12:16","startHours":11.001330097907925,"endHours":12.273236020940725,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:33","startHours":12.273236020940725,"endHours":13.545141943973526,"quality":"auspicious"},{"name":"Roga","start":"13:33","end":"14:49","startHours":13.545141943973526,"endHours":14.817047867006327,"quality":"inauspicious"},{"name":"Udveg","start":"14:49","end":"16:05","startHours":14.817047867006327,"endHours":16.088953790039128,"quality":"inauspicious"},{"name":"Chala","start":"16:05","end":"17:22","startHours":16.088953790039128,"endHours":17.360859713071928,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:22","end":"19:05","startHours":17.360859713071928,"endHours":19.088953790039128,"quality":"inauspicious"},{"name":"Udveg","start":"19:05","end":"20:49","startHours":19.088953790039128,"endHours":20.817047867006327,"quality":"inauspicious"},{"name":"Chala","start":"20:49","end":"22:33","startHours":20.817047867006327,"endHours":22.545141943973526,"quality":"neutral"},{"name":"Labha","start":"22:33","end":"00:16","startHours":22.545141943973526,"endHours":24.273236020940725,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"02:00","startHours":24.273236020940725,"endHours":26.001330097907925,"quality":"auspicious"},{"name":"Kāla","start":"02:00","end":"03:44","startHours":26.001330097907925,"endHours":27.729424174875124,"quality":"inauspicious"},{"name":"Śubha","start":"03:44","end":"05:27","startHours":27.729424174875124,"endHours":29.457518251842323,"quality":"auspicious"},{"name":"Roga","start":"05:27","end":"07:11","startHours":29.457518251842323,"endHours":31.185612328809523,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.185612328809522,"endHours":8.185612328809523,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.185612328809523,"endHours":9.185612328809523,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.185612328809523,"endHours":10.185612328809523,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.185612328809523,"endHours":11.185612328809523,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.185612328809523,"endHours":12.185612328809523,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.185612328809523,"endHours":13.185612328809523,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.185612328809523,"endHours":14.185612328809523,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.185612328809523,"endHours":15.185612328809523,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.185612328809523,"endHours":16.185612328809523,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.185612328809523,"endHours":17.185612328809523,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.185612328809523,"endHours":18.185612328809523,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.185612328809523,"endHours":19.185612328809523,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.185612328809523,"endHours":20.185612328809523,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.185612328809523,"endHours":21.185612328809523,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.185612328809523,"endHours":22.185612328809523,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.185612328809523,"endHours":23.185612328809523,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.185612328809523,"endHours":24.185612328809523,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.185612328809523,"endHours":25.185612328809523,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.185612328809523,"endHours":26.185612328809523,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.185612328809523,"endHours":27.185612328809523,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.185612328809523,"endHours":28.185612328809523,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.185612328809523,"endHours":29.185612328809523,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.185612328809523,"endHours":30.185612328809523,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.185612328809523,"endHours":31.185612328809523,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.25440639995871,"eotMinutes":3.7534387435564067,"ayanamsa":24.0117}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ekādaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 May 13, 2011 CE · Melbourne, Australia · Vidhyamitra","description":"May 13, 2011 CE for Melbourne, Australia: Śukla Ekādaśī, sūryodaya 07:11, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/2011-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/2011-05-13","sa":"https://sa.vidhyamitra.com/city/melbourne/2011-05-13","hi":"https://hi.vidhyamitra.com/city/melbourne/2011-05-13","x-default":"https://vidhyamitra.com/city/melbourne/2011-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:39:15.486Z","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":"2026-05-31T06:39:15.486Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:39:15.486Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}