{"id":"vidhyamitra:city-day:erode:1989-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1989-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1989-05-31","date_display":"May 31, 1989 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":1989,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447677.770833,"kali_year":5091,"ahargana":1859212.2708,"sun":{"sidereal_longitude":45.7781,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":356.4151,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":310.637,"elapsed_within_tithi_degrees":10.637},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.4151,"elapsed_within_degrees":9.7484},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.1931},"karana":{"half_tithi_index":51,"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":1989,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447677.770833,"ahargana":1859212.2708,"kali_year":5091,"ayanamsa_lahiri":23.7051,"grahas":{"sun":{"sidereal_longitude":45.872866999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":354.066567,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":3.2587},"mars":{"sidereal_longitude":86.152267,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":35.52376700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":52.988766999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":60.73176699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":258.8455670000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":309.9867,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":129.9867,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1989,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447677.770833,"kali_year":5091,"ahargana":1859212.2708,"sun":{"sidereal_longitude":45.7781,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":356.4151,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":310.637,"elapsed_within_tithi_degrees":10.637},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.4151,"elapsed_within_degrees":9.7484},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.1931},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.259,"elongation":49.363},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.259,"opposition_distance":130.637}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"05:54","sunsetLocal":"18:39","solarNoonLocal":"12:17","dayLengthHours":12.738674033548127,"dayLengthDisplay":"12 Hours 44 Mins 19 Secs","nightLengthDisplay":"11 Hours 15 Mins 41 Secs","moonriseLocal":"02:41","moonsetLocal":"14:57","rahuKala":{"name":"Rāhu Kāla","start":"12:17","end":"13:52","startHours":12.277193887364337,"endHours":13.869528141557854,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:30","end":"09:06","startHours":7.5001911247837905,"endHours":9.092525378977307,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:41","end":"12:17","startHours":10.684859633170822,"endHours":12.277193887364337,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.880214145084837,"endHours":9.304836612869774,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:26","end":"06:47","startHours":6.438634955321446,"endHours":6.778332929549396,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:42","startHours":11.8525714195794,"endHours":12.701816355149274,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:04","startHours":4.209366999450524,"endHours":5.058611935020399,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:51","end":"05:54","startHours":4.84630070112793,"endHours":5.907856870590274,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:15","startHours":14.400306226289025,"endHours":15.2495511618589,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.446530904138402,"endHours":18.8465309041384,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:11","startHours":18.6465309041384,"endHours":19.177308988869573,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.3965309041384,"endHours":20.1465309041384,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:42","startHours":23.852571419579398,"endHours":24.701816355149276,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:54","end":"07:30","startHours":5.907856870590274,"endHours":7.5001911247837905,"quality":"auspicious"},{"name":"Amṛta","start":"07:30","end":"09:06","startHours":7.5001911247837905,"endHours":9.092525378977307,"quality":"auspicious"},{"name":"Kāla","start":"09:06","end":"10:41","startHours":9.092525378977307,"endHours":10.684859633170822,"quality":"inauspicious"},{"name":"Śubha","start":"10:41","end":"12:17","startHours":10.684859633170822,"endHours":12.277193887364337,"quality":"auspicious"},{"name":"Roga","start":"12:17","end":"13:52","startHours":12.277193887364337,"endHours":13.869528141557854,"quality":"inauspicious"},{"name":"Udveg","start":"13:52","end":"15:28","startHours":13.869528141557854,"endHours":15.46186239575137,"quality":"inauspicious"},{"name":"Chala","start":"15:28","end":"17:03","startHours":15.46186239575137,"endHours":17.054196649944885,"quality":"neutral"},{"name":"Labha","start":"17:03","end":"18:39","startHours":17.054196649944885,"endHours":18.6465309041384,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:39","end":"20:03","startHours":18.6465309041384,"endHours":20.054196649944885,"quality":"inauspicious"},{"name":"Chala","start":"20:03","end":"21:28","startHours":20.054196649944885,"endHours":21.46186239575137,"quality":"neutral"},{"name":"Labha","start":"21:28","end":"22:52","startHours":21.46186239575137,"endHours":22.869528141557854,"quality":"auspicious"},{"name":"Amṛta","start":"22:52","end":"00:17","startHours":22.869528141557854,"endHours":24.277193887364337,"quality":"auspicious"},{"name":"Kāla","start":"00:17","end":"01:41","startHours":24.277193887364337,"endHours":25.684859633170824,"quality":"inauspicious"},{"name":"Śubha","start":"01:41","end":"03:06","startHours":25.684859633170824,"endHours":27.092525378977307,"quality":"auspicious"},{"name":"Roga","start":"03:06","end":"04:30","startHours":27.092525378977307,"endHours":28.50019112478379,"quality":"inauspicious"},{"name":"Udveg","start":"04:30","end":"05:54","startHours":28.50019112478379,"endHours":29.907856870590273,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.907856870590274,"endHours":6.907856870590274,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.907856870590274,"endHours":7.907856870590274,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.907856870590274,"endHours":8.907856870590274,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.907856870590274,"endHours":9.907856870590274,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.907856870590274,"endHours":10.907856870590274,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.907856870590274,"endHours":11.907856870590274,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.907856870590274,"endHours":12.907856870590274,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.907856870590274,"endHours":13.907856870590274,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.907856870590274,"endHours":14.907856870590274,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.907856870590274,"endHours":15.907856870590274,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.907856870590274,"endHours":16.907856870590273,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.907856870590273,"endHours":17.907856870590273,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.907856870590273,"endHours":18.907856870590273,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.907856870590273,"endHours":19.907856870590273,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.907856870590273,"endHours":20.907856870590273,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.907856870590273,"endHours":21.907856870590273,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.907856870590273,"endHours":22.907856870590273,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.907856870590273,"endHours":23.907856870590273,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.907856870590273,"endHours":24.907856870590273,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.907856870590273,"endHours":25.907856870590273,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.907856870590273,"endHours":26.907856870590273,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.907856870590273,"endHours":27.907856870590273,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.907856870590273,"endHours":28.907856870590273,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.907856870590273,"endHours":29.907856870590273,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.884337404651493,"eotMinutes":2.4995667581397525,"ayanamsa":23.7051}},"calendars":{"vikram_samvat":2046,"vikram_samvatsara":"Citrabhānu","saka_samvat":1911,"saka_samvatsara":"Śukla","bengali_samvat":1396,"malayalam_era":1165,"nanakshahi_year":520,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Ekādaśī · Vikram 2046 Citrabhānu · Śaka 1911 Śukla"},"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":"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}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 31, 1989 CE · Erode, Tamil Nadu · Vidhyamitra","description":"May 31, 1989 CE for Erode, Tamil Nadu: Kṛṣṇa Ekādaśī, sūryodaya 05:54, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1989-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1989-05-31","sa":"https://sa.vidhyamitra.com/city/erode/1989-05-31","hi":"https://hi.vidhyamitra.com/city/erode/1989-05-31","x-default":"https://vidhyamitra.com/city/erode/1989-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:24:58.078Z","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":"2026-06-01T05:24:58.078Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:24:58.078Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}