{"id":"vidhyamitra:city-day:perth:1990-01-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1990-01-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-01-26","date_display":"January 26, 1990 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":1990,"month":1,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447917.770833,"kali_year":5091,"ahargana":1859452.2708,"sun":{"sidereal_longitude":282.0995,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":271.6733,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":349.5738,"elapsed_within_tithi_degrees":1.5738},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":271.6733,"elapsed_within_degrees":5.0067},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.7729},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":1990,"month":1,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447917.770833,"ahargana":1859452.2708,"kali_year":5091,"ayanamsa_lahiri":23.7143,"grahas":{"sun":{"sidereal_longitude":282.10159699999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":272.778597,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-1.9426},"mars":{"sidereal_longitude":243.87329699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":258.044497,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":68.69439699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":270.75839700000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":264.598297,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":297.2704,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.2704,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":1,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447917.770833,"kali_year":5091,"ahargana":1859452.2708,"sun":{"sidereal_longitude":282.0995,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":271.6733,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":349.5738,"elapsed_within_tithi_degrees":1.5738},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":271.6733,"elapsed_within_degrees":5.0067},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.7729},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.943,"elongation":10.426},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.943,"opposition_distance":169.574}},"eclipse_window_40days":[{"offset_days":1,"type":"solar","occurs":true,"moon_latitude":-0.956,"elongation":1.82}]},"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":"05:36","sunsetLocal":"19:22","solarNoonLocal":"12:29","dayLengthHours":13.777680825818905,"dayLengthDisplay":"13 Hours 46 Mins 40 Secs","nightLengthDisplay":"10 Hours 13 Mins 20 Secs","moonriseLocal":"04:54","moonsetLocal":"18:50","rahuKala":{"name":"Rāhu Kāla","start":"10:46","end":"12:29","startHours":10.762802987666483,"endHours":12.485013090893844,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:56","end":"17:39","startHours":15.92943329734857,"endHours":17.651643400575935,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:19","end":"09:02","startHours":7.3183827812117555,"endHours":9.040592884439118,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:16","startHours":8.81096487067547,"endHours":9.270220898202767,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:10","end":"06:32","startHours":6.170242712393513,"endHours":6.537647534415351,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:57","startHours":12.025757063366546,"endHours":12.944269118421142,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:46","end":"04:41","startHours":3.7591485678752052,"endHours":4.677660622929799,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:36","startHours":4.44803260916615,"endHours":5.596172677984392,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:42","startHours":14.78129322853033,"endHours":15.699805283584924,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:10","end":"19:34","startHours":19.173853503803297,"endHours":19.573853503803296,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:22","end":"19:57","startHours":19.373853503803296,"endHours":19.947923538212418,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:07","end":"20:52","startHours":19.123853503803296,"endHours":20.873853503803296,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:57","startHours":24.025757063366548,"endHours":24.94426911842114,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:36","end":"07:19","startHours":5.596172677984392,"endHours":7.3183827812117555,"quality":"neutral"},{"name":"Labha","start":"07:19","end":"09:02","startHours":7.3183827812117555,"endHours":9.040592884439118,"quality":"auspicious"},{"name":"Amṛta","start":"09:02","end":"10:46","startHours":9.040592884439118,"endHours":10.762802987666483,"quality":"auspicious"},{"name":"Kāla","start":"10:46","end":"12:29","startHours":10.762802987666483,"endHours":12.485013090893844,"quality":"inauspicious"},{"name":"Śubha","start":"12:29","end":"14:12","startHours":12.485013090893844,"endHours":14.207223194121209,"quality":"auspicious"},{"name":"Roga","start":"14:12","end":"15:56","startHours":14.207223194121209,"endHours":15.92943329734857,"quality":"inauspicious"},{"name":"Udveg","start":"15:56","end":"17:39","startHours":15.92943329734857,"endHours":17.651643400575935,"quality":"inauspicious"},{"name":"Chala","start":"17:39","end":"19:22","startHours":17.651643400575935,"endHours":19.373853503803296,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:22","end":"20:39","startHours":19.373853503803296,"endHours":20.651643400575935,"quality":"inauspicious"},{"name":"Udveg","start":"20:39","end":"21:56","startHours":20.651643400575935,"endHours":21.92943329734857,"quality":"inauspicious"},{"name":"Chala","start":"21:56","end":"23:12","startHours":21.92943329734857,"endHours":23.207223194121205,"quality":"neutral"},{"name":"Labha","start":"23:12","end":"00:29","startHours":23.207223194121205,"endHours":24.485013090893844,"quality":"auspicious"},{"name":"Amṛta","start":"00:29","end":"01:46","startHours":24.485013090893844,"endHours":25.762802987666483,"quality":"auspicious"},{"name":"Kāla","start":"01:46","end":"03:02","startHours":25.762802987666483,"endHours":27.040592884439118,"quality":"inauspicious"},{"name":"Śubha","start":"03:02","end":"04:19","startHours":27.040592884439118,"endHours":28.318382781211753,"quality":"auspicious"},{"name":"Roga","start":"04:19","end":"05:36","startHours":28.318382781211753,"endHours":29.59617267798439,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:36","end":"06:36","startHours":5.596172677984392,"endHours":6.596172677984392,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:36","end":"07:36","startHours":6.596172677984392,"endHours":7.596172677984392,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:36","end":"08:36","startHours":7.596172677984392,"endHours":8.596172677984391,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:36","end":"09:36","startHours":8.596172677984391,"endHours":9.596172677984391,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:36","end":"10:36","startHours":9.596172677984391,"endHours":10.596172677984391,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:36","end":"11:36","startHours":10.596172677984391,"endHours":11.596172677984391,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:36","end":"12:36","startHours":11.596172677984391,"endHours":12.596172677984391,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:36","end":"13:36","startHours":12.596172677984391,"endHours":13.596172677984391,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:36","end":"14:36","startHours":13.596172677984391,"endHours":14.596172677984391,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:36","end":"15:36","startHours":14.596172677984391,"endHours":15.596172677984391,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:36","end":"16:36","startHours":15.596172677984391,"endHours":16.59617267798439,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:36","end":"17:36","startHours":16.59617267798439,"endHours":17.59617267798439,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:36","end":"18:36","startHours":17.59617267798439,"endHours":18.59617267798439,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:36","end":"19:36","startHours":18.59617267798439,"endHours":19.59617267798439,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:36","end":"20:36","startHours":19.59617267798439,"endHours":20.59617267798439,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:36","end":"21:36","startHours":20.59617267798439,"endHours":21.59617267798439,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:36","end":"22:36","startHours":21.59617267798439,"endHours":22.59617267798439,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:36","end":"23:36","startHours":22.59617267798439,"endHours":23.59617267798439,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:36","end":"00:36","startHours":23.59617267798439,"endHours":24.59617267798439,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:36","end":"01:36","startHours":24.59617267798439,"endHours":25.59617267798439,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:36","end":"02:36","startHours":25.59617267798439,"endHours":26.59617267798439,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:36","end":"03:36","startHours":26.59617267798439,"endHours":27.59617267798439,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:36","end":"04:36","startHours":27.59617267798439,"endHours":28.59617267798439,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:36","end":"05:36","startHours":28.59617267798439,"endHours":29.59617267798439,"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.81550411720136,"eotMinutes":-12.542785453630707,"ayanamsa":23.7143}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Amāvasyā · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"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":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 26, 1990 CE · Perth, Australia · Vidhyamitra","description":"January 26, 1990 CE for Perth, Australia: Kṛṣṇa Amāvasyā, sūryodaya 05:36, sūryāsta 19:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1990-01-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1990-01-26","sa":"https://sa.vidhyamitra.com/city/perth/1990-01-26","hi":"https://hi.vidhyamitra.com/city/perth/1990-01-26","x-default":"https://vidhyamitra.com/city/perth/1990-01-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-04T20:48:24.275Z","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":"2026-09-04T20:48:24.275Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-04T20:48:24.275Z","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"}}}