{"id":"vidhyamitra:city-day:perth:1980-03-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1980-03-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-03-01","date_display":"March 1, 1980 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1980,"month":3,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444299.770833,"kali_year":5081,"ahargana":1855834.2708,"sun":{"sidereal_longitude":317.2413,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":128.7329,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":171.4916,"elapsed_within_tithi_degrees":3.4916},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":128.7329,"elapsed_within_degrees":8.7329},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.9742},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1980,"month":3,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444299.770833,"ahargana":1855834.2708,"kali_year":5081,"ayanamsa_lahiri":23.5759,"grahas":{"sun":{"sidereal_longitude":317.040831,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":127.935631,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":-0.0186},"mars":{"sidereal_longitude":130.581931,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":327.061231,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":130.810231,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":0.1839310000000296,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":150.926131,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":128.9694,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":308.9694,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1980,"month":3,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444299.770833,"kali_year":5081,"ahargana":1855834.2708,"sun":{"sidereal_longitude":317.2413,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":128.7329,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":171.4916,"elapsed_within_tithi_degrees":3.4916},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":128.7329,"elapsed_within_degrees":8.7329},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.9742},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.019,"elongation":171.492},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.019,"opposition_distance":8.508}},"eclipse_window_40days":[]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:07","sunsetLocal":"18:53","solarNoonLocal":"12:30","dayLengthHours":12.767810903613416,"dayLengthDisplay":"12 Hours 46 Mins 04 Secs","nightLengthDisplay":"11 Hours 13 Mins 56 Secs","moonriseLocal":"18:18","moonsetLocal":"05:28","rahuKala":{"name":"Rāhu Kāla","start":"09:18","end":"10:54","startHours":9.301399610048557,"endHours":10.897375973000234,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:05","end":"15:41","startHours":14.08932869890359,"endHours":15.685305061855265,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:07","end":"07:42","startHours":6.109446884145203,"endHours":7.70542324709688,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:31","startHours":9.088602761655,"endHours":9.514196458442115,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:59","startHours":6.6414390051290955,"endHours":6.981913962558787,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:55","startHours":12.067758639164797,"endHours":12.918946032739026,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:15","startHours":4.407072096996748,"endHours":5.258259490570976,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:07","startHours":5.045462642177419,"endHours":6.109446884145203,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:28","startHours":14.62132081988748,"endHours":15.472508213461706,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.67725778775862,"endHours":19.07725778775862,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:25","startHours":18.87725778775862,"endHours":19.409249908742513,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.62725778775862,"endHours":20.37725778775862,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:55","startHours":24.067758639164797,"endHours":24.918946032739026,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:07","end":"07:42","startHours":6.109446884145203,"endHours":7.70542324709688,"quality":"inauspicious"},{"name":"Śubha","start":"07:42","end":"09:18","startHours":7.70542324709688,"endHours":9.301399610048557,"quality":"auspicious"},{"name":"Roga","start":"09:18","end":"10:54","startHours":9.301399610048557,"endHours":10.897375973000234,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:30","startHours":10.897375973000234,"endHours":12.493352335951911,"quality":"inauspicious"},{"name":"Chala","start":"12:30","end":"14:05","startHours":12.493352335951911,"endHours":14.08932869890359,"quality":"neutral"},{"name":"Labha","start":"14:05","end":"15:41","startHours":14.08932869890359,"endHours":15.685305061855265,"quality":"auspicious"},{"name":"Amṛta","start":"15:41","end":"17:17","startHours":15.685305061855265,"endHours":17.28128142480694,"quality":"auspicious"},{"name":"Kāla","start":"17:17","end":"18:53","startHours":17.28128142480694,"endHours":18.87725778775862,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:53","end":"20:17","startHours":18.87725778775862,"endHours":20.28128142480694,"quality":"auspicious"},{"name":"Amṛta","start":"20:17","end":"21:41","startHours":20.28128142480694,"endHours":21.685305061855267,"quality":"auspicious"},{"name":"Kāla","start":"21:41","end":"23:05","startHours":21.685305061855267,"endHours":23.08932869890359,"quality":"inauspicious"},{"name":"Śubha","start":"23:05","end":"00:30","startHours":23.08932869890359,"endHours":24.49335233595191,"quality":"auspicious"},{"name":"Roga","start":"00:30","end":"01:54","startHours":24.49335233595191,"endHours":25.897375973000234,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:18","startHours":25.897375973000234,"endHours":27.301399610048556,"quality":"inauspicious"},{"name":"Chala","start":"03:18","end":"04:42","startHours":27.301399610048556,"endHours":28.70542324709688,"quality":"neutral"},{"name":"Labha","start":"04:42","end":"06:07","startHours":28.70542324709688,"endHours":30.109446884145203,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.109446884145203,"endHours":7.109446884145203,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.109446884145203,"endHours":8.109446884145203,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.109446884145203,"endHours":9.109446884145203,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.109446884145203,"endHours":10.109446884145203,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.109446884145203,"endHours":11.109446884145203,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.109446884145203,"endHours":12.109446884145203,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.109446884145203,"endHours":13.109446884145203,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.109446884145203,"endHours":14.109446884145203,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.109446884145203,"endHours":15.109446884145203,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.109446884145203,"endHours":16.109446884145203,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.109446884145203,"endHours":17.109446884145203,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.109446884145203,"endHours":18.109446884145203,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.109446884145203,"endHours":19.109446884145203,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.109446884145203,"endHours":20.109446884145203,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.109446884145203,"endHours":21.109446884145203,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.109446884145203,"endHours":22.109446884145203,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.109446884145203,"endHours":23.109446884145203,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.109446884145203,"endHours":24.109446884145203,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.109446884145203,"endHours":25.109446884145203,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.109446884145203,"endHours":26.109446884145203,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.109446884145203,"endHours":27.109446884145203,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.109446884145203,"endHours":28.109446884145203,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.109446884145203,"endHours":29.109446884145203,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.109446884145203,"endHours":30.109446884145203,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.585278876987348,"eotMinutes":-13.043140157114735,"ayanamsa":23.5759}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Pūrṇimā · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"id":"holi","name":"Holi (Phālguna Pūrṇimā)","name_sanskrit":"होली","tradition":"Pan-Hindu","significance":"Festival of colors; Holikā-dahana eve.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":1},{"id":"lakshmi-jayanti","name":"Lakṣmī Jayantī","name_sanskrit":"लक्ष्मी जयन्ती","tradition":"Vaishnava","associated_deity":"Mahā-Lakṣmī","significance":"Birth of Mahā-Lakṣmī from samudra-mathana (Phālguna Pūrṇimā tradition).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":2,"sources":["Bhāgavata 8.8"]}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Dedicated festival walk for Holi (Phālguna Pūrṇimā) · Lakṣmī Jayantī is not live yet; Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga March 1, 1980 CE · Perth, Australia · Vidhyamitra","description":"March 1, 1980 CE for Perth, Australia: Śukla Pūrṇimā, sūryodaya 06:07, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1980-03-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1980-03-01","sa":"https://sa.vidhyamitra.com/city/perth/1980-03-01","hi":"https://hi.vidhyamitra.com/city/perth/1980-03-01","x-default":"https://vidhyamitra.com/city/perth/1980-03-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-25T15:50:27.143Z","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":"2026-09-25T15:50:27.143Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-25T15:50:27.143Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}