{"id":"vidhyamitra:city-day:melbourne:2017-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/melbourne/2017-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-09-13","date_display":"September 13, 2017 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":2017,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458009.770833,"kali_year":5119,"ahargana":1869544.2708,"sun":{"sidereal_longitude":145.5898,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":52.4984,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.9086,"elapsed_within_tithi_degrees":2.9086},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":52.4984,"elapsed_within_degrees":12.4984},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.0882},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2017,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458009.770833,"ahargana":1869544.2708,"kali_year":5119,"ayanamsa_lahiri":24.1003,"grahas":{"sun":{"sidereal_longitude":146.354809,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":53.345009000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-4.2294},"mars":{"sidereal_longitude":130.49250899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":128.264409,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":179.885809,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":117.142109,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":237.20540899999992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":122.5477,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":302.5477,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2017,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458009.770833,"kali_year":5119,"ahargana":1869544.2708,"sun":{"sidereal_longitude":145.5898,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":52.4984,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.9086,"elapsed_within_tithi_degrees":2.9086},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":52.4984,"elapsed_within_degrees":12.4984},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.0882},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.229,"elongation":93.091},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.229,"opposition_distance":86.909}},"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":"06:23","sunsetLocal":"18:08","solarNoonLocal":"12:15","dayLengthHours":11.748984815294662,"dayLengthDisplay":"11 Hours 44 Mins 56 Secs","nightLengthDisplay":"12 Hours 15 Mins 04 Secs","moonriseLocal":"01:16","moonsetLocal":"10:50","rahuKala":{"name":"Rāhu Kāla","start":"12:15","end":"13:44","startHours":12.2565621511689,"endHours":13.725185253080731,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:51","end":"09:19","startHours":7.850692845433401,"endHours":9.319315947345235,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:47","end":"12:15","startHours":10.787939049257066,"endHours":12.2565621511689,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:31","startHours":9.12349953375699,"endHours":9.515132360933478,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:52","end":"07:11","startHours":6.8716107774921795,"endHours":7.184917039233371,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:39","startHours":11.864929323992412,"endHours":12.648194978345389,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:36","startHours":4.815538434815613,"endHours":5.598804089168591,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:23","startHours":5.402987675580347,"endHours":6.382069743521568,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:00","startHours":14.214726287051342,"endHours":14.997991941404319,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.931054558816232,"endHours":18.33105455881623,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:37","startHours":18.13105455881623,"endHours":18.62059559278684,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.88105455881623,"endHours":19.63105455881623,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:39","startHours":23.86492932399241,"endHours":24.64819497834539,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:23","end":"07:51","startHours":6.382069743521568,"endHours":7.850692845433401,"quality":"auspicious"},{"name":"Amṛta","start":"07:51","end":"09:19","startHours":7.850692845433401,"endHours":9.319315947345235,"quality":"auspicious"},{"name":"Kāla","start":"09:19","end":"10:47","startHours":9.319315947345235,"endHours":10.787939049257066,"quality":"inauspicious"},{"name":"Śubha","start":"10:47","end":"12:15","startHours":10.787939049257066,"endHours":12.2565621511689,"quality":"auspicious"},{"name":"Roga","start":"12:15","end":"13:44","startHours":12.2565621511689,"endHours":13.725185253080731,"quality":"inauspicious"},{"name":"Udveg","start":"13:44","end":"15:12","startHours":13.725185253080731,"endHours":15.193808354992566,"quality":"inauspicious"},{"name":"Chala","start":"15:12","end":"16:40","startHours":15.193808354992566,"endHours":16.662431456904397,"quality":"neutral"},{"name":"Labha","start":"16:40","end":"18:08","startHours":16.662431456904397,"endHours":18.13105455881623,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:08","end":"19:40","startHours":18.13105455881623,"endHours":19.6624314569044,"quality":"inauspicious"},{"name":"Chala","start":"19:40","end":"21:12","startHours":19.6624314569044,"endHours":21.193808354992566,"quality":"neutral"},{"name":"Labha","start":"21:12","end":"22:44","startHours":21.193808354992566,"endHours":22.72518525308073,"quality":"auspicious"},{"name":"Amṛta","start":"22:44","end":"00:15","startHours":22.72518525308073,"endHours":24.2565621511689,"quality":"auspicious"},{"name":"Kāla","start":"00:15","end":"01:47","startHours":24.2565621511689,"endHours":25.78793904925707,"quality":"inauspicious"},{"name":"Śubha","start":"01:47","end":"03:19","startHours":25.78793904925707,"endHours":27.319315947345235,"quality":"auspicious"},{"name":"Roga","start":"03:19","end":"04:51","startHours":27.319315947345235,"endHours":28.8506928454334,"quality":"inauspicious"},{"name":"Udveg","start":"04:51","end":"06:23","startHours":28.8506928454334,"endHours":30.38206974352157,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:23","end":"07:23","startHours":6.382069743521568,"endHours":7.382069743521568,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:23","end":"08:23","startHours":7.382069743521568,"endHours":8.38206974352157,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:23","end":"09:23","startHours":8.38206974352157,"endHours":9.38206974352157,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:23","end":"10:23","startHours":9.38206974352157,"endHours":10.38206974352157,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:23","end":"11:23","startHours":10.38206974352157,"endHours":11.38206974352157,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:23","end":"12:23","startHours":11.38206974352157,"endHours":12.38206974352157,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:23","end":"13:23","startHours":12.38206974352157,"endHours":13.38206974352157,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:23","end":"14:23","startHours":13.38206974352157,"endHours":14.38206974352157,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:23","end":"15:23","startHours":14.38206974352157,"endHours":15.38206974352157,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:23","end":"16:23","startHours":15.38206974352157,"endHours":16.38206974352157,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:23","end":"17:23","startHours":16.38206974352157,"endHours":17.38206974352157,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:23","end":"18:23","startHours":17.38206974352157,"endHours":18.38206974352157,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:23","end":"19:23","startHours":18.38206974352157,"endHours":19.38206974352157,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:23","end":"20:23","startHours":19.38206974352157,"endHours":20.38206974352157,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:23","end":"21:23","startHours":20.38206974352157,"endHours":21.38206974352157,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:23","end":"22:23","startHours":21.38206974352157,"endHours":22.38206974352157,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:23","end":"23:23","startHours":22.38206974352157,"endHours":23.38206974352157,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:23","end":"00:23","startHours":23.38206974352157,"endHours":24.38206974352157,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:23","end":"01:23","startHours":24.38206974352157,"endHours":25.38206974352157,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:23","end":"02:23","startHours":25.38206974352157,"endHours":26.38206974352157,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:23","end":"03:23","startHours":26.38206974352157,"endHours":27.38206974352157,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:23","end":"04:23","startHours":27.38206974352157,"endHours":28.38206974352157,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:23","end":"05:23","startHours":28.38206974352157,"endHours":29.38206974352157,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:23","end":"06:23","startHours":29.38206974352157,"endHours":30.38206974352157,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.781522818169449,"eotMinutes":4.753870929866006,"ayanamsa":24.1003}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Aṣṭamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"krishna-janmashtami","name":"Krishna Janmāṣṭamī","name_sanskrit":"कृष्ण जन्माष्टमी","tradition":"Vaishnava","associated_deity":"Krishna (svayaṁ bhagavān)","deity_avatara_index":20,"significance":"Bhagavān Krishna manifested at Mathurā midnight on this exact tithi-nakshatra alignment in 3227 BCE.","vrata":true,"primary_observance":"Madhya-rātri (midnight) abhiṣekam in Mathurā tradition","detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","nakshatra_name":"Rohiṇī","lunar_month":"Bhādrapada"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavān Krishna's birth at Mathurā","date_julian":"-3226-07-09","location":"Mathurā"},"sources":["Bhāgavata Purāṇa 10.3"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"krishna-janmashtami-walk","name":"Krishna Janmāṣṭamī Walk","name_sanskrit":"कृष्ण जन्माष्टमी यात्रा","type":"festival","description":"Bhāgavata 10.3 (birth at Mathurā) + BG 4.7-8 + 10.8 (Krishna as svayaṁ bhagavān).","step_count":11,"url":"/walk/krishna-janmashtami-walk"},"reason":"Today is Krishna Janmāṣṭamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī + Rohiṇī","url":"/day/-3226-07-09","relevance":1}]},"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 September 13, 2017 CE · Melbourne, Australia · Vidhyamitra","description":"September 13, 2017 CE for Melbourne, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 06:23, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/melbourne/2017-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/melbourne/2017-09-13","sa":"https://sa.vidhyamitra.com/city/melbourne/2017-09-13","hi":"https://hi.vidhyamitra.com/city/melbourne/2017-09-13","x-default":"https://vidhyamitra.com/city/melbourne/2017-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:06:51.675Z","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":"2026-05-15T17:06:51.675Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:06:51.675Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}