{"id":"vidhyamitra:city-day:perth:2075-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2075-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2075-05-13","date_display":"May 13, 2075 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":2075,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2479070.770833,"kali_year":5177,"ahargana":1890605.2708,"sun":{"sidereal_longitude":27.3791,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":5.6938,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.3147,"elapsed_within_tithi_degrees":2.3147},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.6938,"elapsed_within_degrees":5.6938},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.0729},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2075,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2479070.770833,"ahargana":1890605.2708,"kali_year":5177,"ayanamsa_lahiri":24.9058,"grahas":{"sun":{"sidereal_longitude":27.55552399999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":5.660724000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-4.4438},"mars":{"sidereal_longitude":12.568223999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":28.554024000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":128.509324,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":5.706823999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":231.16882399999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":86.6345,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":266.6345,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva 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":"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":2075,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2479070.770833,"kali_year":5177,"ahargana":1890605.2708,"sun":{"sidereal_longitude":27.3791,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":5.6938,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.3147,"elapsed_within_tithi_degrees":2.3147},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.6938,"elapsed_within_degrees":5.6938},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.0729},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.444,"elongation":21.685},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.444,"opposition_distance":158.315}},"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":"06:56","sunsetLocal":"17:29","solarNoonLocal":"12:13","dayLengthHours":10.545739674213642,"dayLengthDisplay":"10 Hours 32 Mins 45 Secs","nightLengthDisplay":"13 Hours 27 Mins 15 Secs","moonriseLocal":"05:12","moonsetLocal":"16:18","rahuKala":{"name":"Rāhu Kāla","start":"08:16","end":"09:35","startHours":8.258756976443943,"endHours":9.576974435720647,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:54","end":"12:13","startHours":10.895191894997353,"endHours":12.21340935427406,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:32","end":"14:51","startHours":13.531626813550764,"endHours":14.849844272827468,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:45","startHours":9.401212107817088,"endHours":9.752736763624208,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:40","startHours":7.379945336926139,"endHours":7.661165061571836,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.861884698466937,"endHours":12.564934010081181,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:14","startHours":5.5344408939387515,"endHours":6.237490205552994,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:04","end":"06:56","startHours":6.061727877649433,"endHours":6.940539517167237,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.971032633309665,"endHours":14.674081944923907,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:17","end":"17:41","startHours":17.28627919138088,"endHours":17.68627919138088,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:29","end":"17:56","startHours":17.48627919138088,"endHours":17.925685011139784,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:14","end":"18:59","startHours":17.23627919138088,"endHours":18.98627919138088,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.861884698466937,"endHours":24.56493401008118,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:56","end":"08:16","startHours":6.940539517167237,"endHours":8.258756976443943,"quality":"auspicious"},{"name":"Kāla","start":"08:16","end":"09:35","startHours":8.258756976443943,"endHours":9.576974435720647,"quality":"inauspicious"},{"name":"Śubha","start":"09:35","end":"10:54","startHours":9.576974435720647,"endHours":10.895191894997353,"quality":"auspicious"},{"name":"Roga","start":"10:54","end":"12:13","startHours":10.895191894997353,"endHours":12.21340935427406,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:32","startHours":12.21340935427406,"endHours":13.531626813550764,"quality":"inauspicious"},{"name":"Chala","start":"13:32","end":"14:51","startHours":13.531626813550764,"endHours":14.849844272827468,"quality":"neutral"},{"name":"Labha","start":"14:51","end":"16:10","startHours":14.849844272827468,"endHours":16.168061732104174,"quality":"auspicious"},{"name":"Amṛta","start":"16:10","end":"17:29","startHours":16.168061732104174,"endHours":17.48627919138088,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:29","end":"19:10","startHours":17.48627919138088,"endHours":19.168061732104174,"quality":"neutral"},{"name":"Labha","start":"19:10","end":"20:51","startHours":19.168061732104174,"endHours":20.849844272827468,"quality":"auspicious"},{"name":"Amṛta","start":"20:51","end":"22:32","startHours":20.849844272827468,"endHours":22.531626813550766,"quality":"auspicious"},{"name":"Kāla","start":"22:32","end":"00:13","startHours":22.531626813550766,"endHours":24.21340935427406,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:54","startHours":24.21340935427406,"endHours":25.895191894997353,"quality":"auspicious"},{"name":"Roga","start":"01:54","end":"03:35","startHours":25.895191894997353,"endHours":27.57697443572065,"quality":"inauspicious"},{"name":"Udveg","start":"03:35","end":"05:16","startHours":27.57697443572065,"endHours":29.258756976443944,"quality":"inauspicious"},{"name":"Chala","start":"05:16","end":"06:56","startHours":29.258756976443944,"endHours":30.940539517167238,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.940539517167237,"endHours":7.940539517167237,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.940539517167237,"endHours":8.940539517167238,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.940539517167238,"endHours":9.940539517167238,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.940539517167238,"endHours":10.940539517167238,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.940539517167238,"endHours":11.940539517167238,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.940539517167238,"endHours":12.940539517167238,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.940539517167238,"endHours":13.940539517167238,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.940539517167238,"endHours":14.940539517167238,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.940539517167238,"endHours":15.940539517167238,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.940539517167238,"endHours":16.940539517167238,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.940539517167238,"endHours":17.940539517167238,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.940539517167238,"endHours":18.940539517167238,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.940539517167238,"endHours":19.940539517167238,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.940539517167238,"endHours":20.940539517167238,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.940539517167238,"endHours":21.940539517167238,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.940539517167238,"endHours":22.940539517167238,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.940539517167238,"endHours":23.940539517167238,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.940539517167238,"endHours":24.940539517167238,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.940539517167238,"endHours":25.940539517167238,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.940539517167238,"endHours":26.940539517167238,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.940539517167238,"endHours":27.940539517167238,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.940539517167238,"endHours":28.940539517167238,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.940539517167238,"endHours":29.940539517167238,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.940539517167238,"endHours":30.940539517167238,"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":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.383687049393195,"eotMinutes":3.7534387435564067,"ayanamsa":24.9058}},"calendars":{"vikram_samvat":2132,"vikram_samvatsara":"Kīlaka","saka_samvat":1997,"saka_samvatsara":"Manmatha","bengali_samvat":1482,"malayalam_era":1251,"nanakshahi_year":606,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha (Adhika) Kṛṣṇa Caturdaśī · Vikram 2132 Kīlaka · Śaka 1997 Manmatha"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Dedicated festival walk for Māsika Śivarātri is not live yet; Somavāra (Monday) — 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 May 13, 2075 CE · Perth, Australia · Vidhyamitra","description":"May 13, 2075 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 06:56, sūryāsta 17:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2075-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2075-05-13","sa":"https://sa.vidhyamitra.com/city/perth/2075-05-13","hi":"https://hi.vidhyamitra.com/city/perth/2075-05-13","x-default":"https://vidhyamitra.com/city/perth/2075-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-05T19:55:18.519Z","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":"2026-09-05T19:55:18.519Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-05T19:55:18.519Z","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"}}}