{"id":"vidhyamitra:city-day:chicago:2000-04-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chicago/2000-04-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2000-04-27","date_display":"April 27, 2000 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":2000,"month":4,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451661.770833,"kali_year":5102,"ahargana":1863196.2708,"sun":{"sidereal_longitude":13.315,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":287.8808,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.5659,"elapsed_within_tithi_degrees":10.5659},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":287.8808,"elapsed_within_degrees":7.8808},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.1958},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2000,"month":4,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451661.770833,"ahargana":1863196.2708,"kali_year":5102,"ayanamsa_lahiri":23.8575,"grahas":{"sun":{"sidereal_longitude":13.236748999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":285.79104900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":-0.7021},"mars":{"sidereal_longitude":31.368948999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":359.923949,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":21.355148999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":1.165949000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":24.775549000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":98.8952,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.8952,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara 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":"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":2000,"month":4,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451661.770833,"kali_year":5102,"ahargana":1863196.2708,"sun":{"sidereal_longitude":13.315,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":287.8808,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.5659,"elapsed_within_tithi_degrees":10.5659},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":287.8808,"elapsed_within_degrees":7.8808},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.1958},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.702,"elongation":85.434},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.702,"opposition_distance":94.566}},"eclipse_window_40days":[]},"city":{"slug":"chicago","name":"Chicago, USA","lat":41.8781,"lon":-87.6298,"tz_offset_hours":-6,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"chicago","name":"Chicago, USA","lat":41.8781,"lon":-87.6298,"tz_offset_hours":-6,"country":"US","tier":"diaspora"},"sunriseLocal":"04:52","sunsetLocal":"18:44","solarNoonLocal":"11:48","dayLengthHours":13.864534855850032,"dayLengthDisplay":"13 Hours 51 Mins 52 Secs","nightLengthDisplay":"10 Hours 08 Mins 08 Secs","moonriseLocal":"01:02","moonsetLocal":"10:55","rahuKala":{"name":"Rāhu Kāla","start":"13:32","end":"15:16","startHours":13.536185709487782,"endHours":15.269252566469039,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"04:52","end":"06:36","startHours":4.870851424581514,"endHours":6.603918281562768,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:20","end":"10:04","startHours":8.336985138544023,"endHours":10.070051995525276,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:06","end":"08:34","startHours":8.105909557613188,"endHours":8.568060719474856,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:27","end":"05:49","startHours":5.448540376908599,"endHours":5.818261306397933,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:20","end":"12:16","startHours":11.340967690644861,"endHours":12.265270014368197,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:01","end":"03:57","startHours":3.022246777134843,"endHours":3.946549100858179,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:43","end":"04:52","startHours":3.715473519927345,"endHours":4.870851424581514,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"15:02","startHours":14.113874661814869,"endHours":15.038176985538204,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.535386280431545,"endHours":18.935386280431544,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:19","startHours":18.735386280431545,"endHours":19.313075232758628,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.485386280431545,"endHours":20.235386280431545,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:20","end":"00:16","startHours":23.34096769064486,"endHours":24.2652700143682,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"04:52","end":"06:36","startHours":4.870851424581514,"endHours":6.603918281562768,"quality":"auspicious"},{"name":"Roga","start":"06:36","end":"08:20","startHours":6.603918281562768,"endHours":8.336985138544023,"quality":"inauspicious"},{"name":"Udveg","start":"08:20","end":"10:04","startHours":8.336985138544023,"endHours":10.070051995525276,"quality":"inauspicious"},{"name":"Chala","start":"10:04","end":"11:48","startHours":10.070051995525276,"endHours":11.803118852506529,"quality":"neutral"},{"name":"Labha","start":"11:48","end":"13:32","startHours":11.803118852506529,"endHours":13.536185709487782,"quality":"auspicious"},{"name":"Amṛta","start":"13:32","end":"15:16","startHours":13.536185709487782,"endHours":15.269252566469039,"quality":"auspicious"},{"name":"Kāla","start":"15:16","end":"17:00","startHours":15.269252566469039,"endHours":17.00231942345029,"quality":"inauspicious"},{"name":"Śubha","start":"17:00","end":"18:44","startHours":17.00231942345029,"endHours":18.735386280431545,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:44","end":"20:00","startHours":18.735386280431545,"endHours":20.00231942345029,"quality":"auspicious"},{"name":"Kāla","start":"20:00","end":"21:16","startHours":20.00231942345029,"endHours":21.269252566469035,"quality":"inauspicious"},{"name":"Śubha","start":"21:16","end":"22:32","startHours":21.269252566469035,"endHours":22.536185709487782,"quality":"auspicious"},{"name":"Roga","start":"22:32","end":"23:48","startHours":22.536185709487782,"endHours":23.80311885250653,"quality":"inauspicious"},{"name":"Udveg","start":"23:48","end":"01:04","startHours":23.80311885250653,"endHours":25.070051995525276,"quality":"inauspicious"},{"name":"Chala","start":"01:04","end":"02:20","startHours":25.070051995525276,"endHours":26.336985138544023,"quality":"neutral"},{"name":"Labha","start":"02:20","end":"03:36","startHours":26.336985138544023,"endHours":27.603918281562766,"quality":"auspicious"},{"name":"Amṛta","start":"03:36","end":"04:52","startHours":27.603918281562766,"endHours":28.870851424581513,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"04:52","end":"05:52","startHours":4.870851424581514,"endHours":5.870851424581514,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"05:52","end":"06:52","startHours":5.870851424581514,"endHours":6.870851424581514,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"06:52","end":"07:52","startHours":6.870851424581514,"endHours":7.870851424581514,"planetary_lord":"Moon"},{"name":"Hora 4","start":"07:52","end":"08:52","startHours":7.870851424581514,"endHours":8.870851424581513,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"08:52","end":"09:52","startHours":8.870851424581513,"endHours":9.870851424581513,"planetary_lord":"Venus"},{"name":"Hora 6","start":"09:52","end":"10:52","startHours":9.870851424581513,"endHours":10.870851424581513,"planetary_lord":"Sun"},{"name":"Hora 7","start":"10:52","end":"11:52","startHours":10.870851424581513,"endHours":11.870851424581513,"planetary_lord":"Mars"},{"name":"Hora 8","start":"11:52","end":"12:52","startHours":11.870851424581513,"endHours":12.870851424581513,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"12:52","end":"13:52","startHours":12.870851424581513,"endHours":13.870851424581513,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"13:52","end":"14:52","startHours":13.870851424581513,"endHours":14.870851424581513,"planetary_lord":"Moon"},{"name":"Hora 11","start":"14:52","end":"15:52","startHours":14.870851424581513,"endHours":15.870851424581513,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"15:52","end":"16:52","startHours":15.870851424581513,"endHours":16.870851424581513,"planetary_lord":"Venus"},{"name":"Hora 13","start":"16:52","end":"17:52","startHours":16.870851424581513,"endHours":17.870851424581513,"planetary_lord":"Sun"},{"name":"Hora 14","start":"17:52","end":"18:52","startHours":17.870851424581513,"endHours":18.870851424581513,"planetary_lord":"Mars"},{"name":"Hora 15","start":"18:52","end":"19:52","startHours":18.870851424581513,"endHours":19.870851424581513,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"19:52","end":"20:52","startHours":19.870851424581513,"endHours":20.870851424581513,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"20:52","end":"21:52","startHours":20.870851424581513,"endHours":21.870851424581513,"planetary_lord":"Moon"},{"name":"Hora 18","start":"21:52","end":"22:52","startHours":21.870851424581513,"endHours":22.870851424581513,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"22:52","end":"23:52","startHours":22.870851424581513,"endHours":23.870851424581513,"planetary_lord":"Venus"},{"name":"Hora 20","start":"23:52","end":"00:52","startHours":23.870851424581513,"endHours":24.870851424581513,"planetary_lord":"Sun"},{"name":"Hora 21","start":"00:52","end":"01:52","startHours":24.870851424581513,"endHours":25.870851424581513,"planetary_lord":"Mars"},{"name":"Hora 22","start":"01:52","end":"02:52","startHours":25.870851424581513,"endHours":26.870851424581513,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"02:52","end":"03:52","startHours":26.870851424581513,"endHours":27.870851424581513,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"03:52","end":"04:52","startHours":27.870851424581513,"endHours":28.870851424581513,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.879667803477487,"eotMinutes":2.332068849608316,"ayanamsa":23.8575}},"calendars":{"vikram_samvat":2057,"vikram_samvatsara":"Vijaya","saka_samvat":1922,"saka_samvatsara":"Vikrama","bengali_samvat":1407,"malayalam_era":1176,"nanakshahi_year":531,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Aṣṭamī · Vikram 2057 Vijaya · Śaka 1922 Vikrama"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"chicago"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 27, 2000 CE · Chicago, USA · Vidhyamitra","description":"April 27, 2000 CE for Chicago, USA: Kṛṣṇa Aṣṭamī, sūryodaya 04:52, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chicago/2000-04-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chicago/2000-04-27","sa":"https://sa.vidhyamitra.com/city/chicago/2000-04-27","hi":"https://hi.vidhyamitra.com/city/chicago/2000-04-27","x-default":"https://vidhyamitra.com/city/chicago/2000-04-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:01:12.453Z","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":"2026-06-02T10:01:12.453Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:01:12.453Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}