{"id":"vidhyamitra:city-day:phoenix:1981-05-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1981-05-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-05-29","date_display":"May 29, 1981 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":1981,"month":5,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444753.770833,"kali_year":5083,"ahargana":1856288.2708,"sun":{"sidereal_longitude":43.9403,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":344.9305,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.9902,"elapsed_within_tithi_degrees":0.9902},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.9305,"elapsed_within_degrees":11.5971},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.8707},"karana":{"half_tithi_index":50,"name":"Bava"},"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":1981,"month":5,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444753.770833,"ahargana":1856288.2708,"kali_year":5083,"ayanamsa_lahiri":23.5933,"grahas":{"sun":{"sidereal_longitude":44.00338499999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":341.867885,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.8967},"mars":{"sidereal_longitude":31.487585000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":67.12438500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":157.04068499999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":57.829385,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":159.20008499999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":104.9143,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.9143,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"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":1981,"month":5,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444753.770833,"kali_year":5083,"ahargana":1856288.2708,"sun":{"sidereal_longitude":43.9403,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":344.9305,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.9902,"elapsed_within_tithi_degrees":0.9902},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.9305,"elapsed_within_degrees":11.5971},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.8707},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.897,"elongation":59.01},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.897,"opposition_distance":120.99}},"eclipse_window_40days":[]},"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"sunriseLocal":"05:21","sunsetLocal":"19:31","solarNoonLocal":"12:26","dayLengthHours":14.167589798733049,"dayLengthDisplay":"14 Hours 10 Mins 03 Secs","nightLengthDisplay":"9 Hours 49 Mins 57 Secs","moonriseLocal":"02:08","moonsetLocal":"14:26","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"12:26","startHours":10.6545163264677,"endHours":12.425465051309331,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:58","end":"17:44","startHours":15.967362500992593,"endHours":17.738311225834224,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:07","end":"08:53","startHours":7.1126188767844365,"endHours":8.883567601626067,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.647441104980517,"endHours":9.11969409827162,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:19","startHours":5.931986393556683,"endHours":6.309788788189564,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:54","startHours":11.953212058018229,"endHours":12.897718044600433,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:27","end":"04:24","startHours":3.4526581787783988,"endHours":4.397164165360603,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:10","end":"05:21","startHours":4.161037668715052,"endHours":5.341670151942806,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:44","startHours":14.786730017764839,"endHours":15.731236004347043,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:19","end":"19:43","startHours":19.309259950675855,"endHours":19.709259950675854,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:31","end":"20:06","startHours":19.509259950675855,"endHours":20.09957619228973,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:16","end":"21:01","startHours":19.259259950675855,"endHours":21.009259950675855,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:54","startHours":23.95321205801823,"endHours":24.89771804460043,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:21","end":"07:07","startHours":5.341670151942806,"endHours":7.1126188767844365,"quality":"neutral"},{"name":"Labha","start":"07:07","end":"08:53","startHours":7.1126188767844365,"endHours":8.883567601626067,"quality":"auspicious"},{"name":"Amṛta","start":"08:53","end":"10:39","startHours":8.883567601626067,"endHours":10.6545163264677,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"12:26","startHours":10.6545163264677,"endHours":12.425465051309331,"quality":"inauspicious"},{"name":"Śubha","start":"12:26","end":"14:12","startHours":12.425465051309331,"endHours":14.196413776150962,"quality":"auspicious"},{"name":"Roga","start":"14:12","end":"15:58","startHours":14.196413776150962,"endHours":15.967362500992593,"quality":"inauspicious"},{"name":"Udveg","start":"15:58","end":"17:44","startHours":15.967362500992593,"endHours":17.738311225834224,"quality":"inauspicious"},{"name":"Chala","start":"17:44","end":"19:31","startHours":17.738311225834224,"endHours":19.509259950675855,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:31","end":"20:44","startHours":19.509259950675855,"endHours":20.738311225834224,"quality":"inauspicious"},{"name":"Udveg","start":"20:44","end":"21:58","startHours":20.738311225834224,"endHours":21.967362500992593,"quality":"inauspicious"},{"name":"Chala","start":"21:58","end":"23:12","startHours":21.967362500992593,"endHours":23.196413776150962,"quality":"neutral"},{"name":"Labha","start":"23:12","end":"00:26","startHours":23.196413776150962,"endHours":24.42546505130933,"quality":"auspicious"},{"name":"Amṛta","start":"00:26","end":"01:39","startHours":24.42546505130933,"endHours":25.6545163264677,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"02:53","startHours":25.6545163264677,"endHours":26.88356760162607,"quality":"inauspicious"},{"name":"Śubha","start":"02:53","end":"04:07","startHours":26.88356760162607,"endHours":28.11261887678444,"quality":"auspicious"},{"name":"Roga","start":"04:07","end":"05:21","startHours":28.11261887678444,"endHours":29.341670151942807,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:21","end":"06:21","startHours":5.341670151942806,"endHours":6.341670151942806,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:21","end":"07:21","startHours":6.341670151942806,"endHours":7.341670151942806,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:21","end":"08:21","startHours":7.341670151942806,"endHours":8.341670151942806,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:21","end":"09:21","startHours":8.341670151942806,"endHours":9.341670151942806,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:21","end":"10:21","startHours":9.341670151942806,"endHours":10.341670151942806,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:21","end":"11:21","startHours":10.341670151942806,"endHours":11.341670151942806,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:21","end":"12:21","startHours":11.341670151942806,"endHours":12.341670151942806,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:21","end":"13:21","startHours":12.341670151942806,"endHours":13.341670151942806,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:21","end":"14:21","startHours":13.341670151942806,"endHours":14.341670151942806,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:21","end":"15:21","startHours":14.341670151942806,"endHours":15.341670151942806,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:21","end":"16:21","startHours":15.341670151942806,"endHours":16.341670151942807,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:21","end":"17:21","startHours":16.341670151942807,"endHours":17.341670151942807,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:21","end":"18:21","startHours":17.341670151942807,"endHours":18.341670151942807,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:21","end":"19:21","startHours":18.341670151942807,"endHours":19.341670151942807,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:21","end":"20:21","startHours":19.341670151942807,"endHours":20.341670151942807,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:21","end":"21:21","startHours":20.341670151942807,"endHours":21.341670151942807,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:21","end":"22:21","startHours":21.341670151942807,"endHours":22.341670151942807,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:21","end":"23:21","startHours":22.341670151942807,"endHours":23.341670151942807,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:21","end":"00:21","startHours":23.341670151942807,"endHours":24.341670151942807,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:21","end":"01:21","startHours":24.341670151942807,"endHours":25.341670151942807,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:21","end":"02:21","startHours":25.341670151942807,"endHours":26.341670151942807,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:21","end":"03:21","startHours":26.341670151942807,"endHours":27.341670151942807,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:21","end":"04:21","startHours":27.341670151942807,"endHours":28.341670151942807,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:21","end":"05:21","startHours":28.341670151942807,"endHours":29.341670151942807,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.574653338856518,"eotMinutes":2.7680969214399593,"ayanamsa":23.5933}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Ekādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"apara-ekadashi","name":"Aparā Ekādaśī","name_sanskrit":"अपरा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Boundless (aparā) merit; removes brahma-hatyā even.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":4},{"id":"yogini-ekadashi","name":"Yoginī Ekādaśī","name_sanskrit":"योगिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes the curse of Kubera; equivalent to feeding 88,000 brāhmaṇas.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":4},{"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},{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"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":"phoenix"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 29, 1981 CE · Phoenix, USA · Vidhyamitra","description":"May 29, 1981 CE for Phoenix, USA: Kṛṣṇa Ekādaśī, sūryodaya 05:21, sūryāsta 19:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1981-05-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1981-05-29","sa":"https://sa.vidhyamitra.com/city/phoenix/1981-05-29","hi":"https://hi.vidhyamitra.com/city/phoenix/1981-05-29","x-default":"https://vidhyamitra.com/city/phoenix/1981-05-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T10:04:17.558Z","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":"2026-05-18T10:04:17.558Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T10:04:17.558Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}