{"id":"vidhyamitra:city-day:surat:1981-06-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/1981-06-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-06-27","date_display":"June 27, 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":6,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444782.770833,"kali_year":5083,"ahargana":1856317.2708,"sun":{"sidereal_longitude":71.4587,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":8.6277,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.1689,"elapsed_within_tithi_degrees":9.1689},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.6277,"elapsed_within_degrees":8.6277},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.0864},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":6,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444782.770833,"ahargana":1856317.2708,"kali_year":5083,"ayanamsa_lahiri":23.5944,"grahas":{"sun":{"sidereal_longitude":71.72197699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":6.153376999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-4.4845},"mars":{"sidereal_longitude":52.02367700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":64.40097700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":158.41437700000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":93.276277,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":159.538277,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":103.3778,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":283.3778,"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":6,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444782.770833,"kali_year":5083,"ahargana":1856317.2708,"sun":{"sidereal_longitude":71.4587,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":8.6277,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.1689,"elapsed_within_tithi_degrees":9.1689},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.6277,"elapsed_within_degrees":8.6277},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.0864},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.485,"elongation":62.831},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.485,"opposition_distance":117.169}},"eclipse_window_40days":[{"offset_days":20,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128}]},"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"tier2":{"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"sunriseLocal":"05:59","sunsetLocal":"19:24","solarNoonLocal":"12:41","dayLengthHours":13.413741581353172,"dayLengthDisplay":"13 Hours 24 Mins 49 Secs","nightLengthDisplay":"10 Hours 35 Mins 11 Secs","moonriseLocal":"01:59","moonsetLocal":"14:40","rahuKala":{"name":"Rāhu Kāla","start":"09:20","end":"11:01","startHours":9.335986333732626,"endHours":11.012704031401771,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:22","end":"16:03","startHours":14.366139426740066,"endHours":16.04285712440921,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:59","end":"07:40","startHours":5.982550938394333,"endHours":7.659268636063479,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:34","startHours":9.112423974043406,"endHours":9.559548693421846,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:54","startHours":6.541456837617382,"endHours":6.899156613120133,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:15","end":"13:08","startHours":12.24229700969248,"endHours":13.136546448449357,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:12","end":"05:05","startHours":4.194052060880576,"endHours":5.0883014996374545,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:59","startHours":4.864739139948235,"endHours":5.982550938394333,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:56","end":"15:49","startHours":14.925045325963113,"endHours":15.819294764719992,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.196292519747505,"endHours":19.596292519747504,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:57","startHours":19.396292519747504,"endHours":19.955198418970554,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.146292519747504,"endHours":20.896292519747504,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:15","end":"01:08","startHours":24.24229700969248,"endHours":25.13654644844936,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:59","end":"07:40","startHours":5.982550938394333,"endHours":7.659268636063479,"quality":"inauspicious"},{"name":"Śubha","start":"07:40","end":"09:20","startHours":7.659268636063479,"endHours":9.335986333732626,"quality":"auspicious"},{"name":"Roga","start":"09:20","end":"11:01","startHours":9.335986333732626,"endHours":11.012704031401771,"quality":"inauspicious"},{"name":"Udveg","start":"11:01","end":"12:41","startHours":11.012704031401771,"endHours":12.689421729070919,"quality":"inauspicious"},{"name":"Chala","start":"12:41","end":"14:22","startHours":12.689421729070919,"endHours":14.366139426740066,"quality":"neutral"},{"name":"Labha","start":"14:22","end":"16:03","startHours":14.366139426740066,"endHours":16.04285712440921,"quality":"auspicious"},{"name":"Amṛta","start":"16:03","end":"17:43","startHours":16.04285712440921,"endHours":17.719574822078357,"quality":"auspicious"},{"name":"Kāla","start":"17:43","end":"19:24","startHours":17.719574822078357,"endHours":19.396292519747504,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:24","end":"20:43","startHours":19.396292519747504,"endHours":20.719574822078357,"quality":"auspicious"},{"name":"Amṛta","start":"20:43","end":"22:03","startHours":20.719574822078357,"endHours":22.04285712440921,"quality":"auspicious"},{"name":"Kāla","start":"22:03","end":"23:22","startHours":22.04285712440921,"endHours":23.366139426740066,"quality":"inauspicious"},{"name":"Śubha","start":"23:22","end":"00:41","startHours":23.366139426740066,"endHours":24.68942172907092,"quality":"auspicious"},{"name":"Roga","start":"00:41","end":"02:01","startHours":24.68942172907092,"endHours":26.01270403140177,"quality":"inauspicious"},{"name":"Udveg","start":"02:01","end":"03:20","startHours":26.01270403140177,"endHours":27.335986333732627,"quality":"inauspicious"},{"name":"Chala","start":"03:20","end":"04:40","startHours":27.335986333732627,"endHours":28.65926863606348,"quality":"neutral"},{"name":"Labha","start":"04:40","end":"05:59","startHours":28.65926863606348,"endHours":29.982550938394333,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.982550938394333,"endHours":6.982550938394333,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.982550938394333,"endHours":7.982550938394333,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.982550938394333,"endHours":8.982550938394333,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.982550938394333,"endHours":9.982550938394333,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.982550938394333,"endHours":10.982550938394333,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.982550938394333,"endHours":11.982550938394333,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.982550938394333,"endHours":12.982550938394333,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.982550938394333,"endHours":13.982550938394333,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.982550938394333,"endHours":14.982550938394333,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.982550938394333,"endHours":15.982550938394333,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.982550938394333,"endHours":16.982550938394333,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.982550938394333,"endHours":17.982550938394333,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.982550938394333,"endHours":18.982550938394333,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.982550938394333,"endHours":19.982550938394333,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.982550938394333,"endHours":20.982550938394333,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.982550938394333,"endHours":21.982550938394333,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.982550938394333,"endHours":22.982550938394333,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.982550938394333,"endHours":23.982550938394333,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.982550938394333,"endHours":24.982550938394333,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.982550938394333,"endHours":25.982550938394333,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.982550938394333,"endHours":26.982550938394333,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.982550938394333,"endHours":27.982550938394333,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.982550938394333,"endHours":28.982550938394333,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.982550938394333,"endHours":29.982550938394333,"planetary_lord":"Mercury"}],"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":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.32969873385905,"eotMinutes":-2.6897037442551217,"ayanamsa":23.5944}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Daśamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"surat"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga June 27, 1981 CE · Surat, Gujarat · Vidhyamitra","description":"June 27, 1981 CE for Surat, Gujarat: Kṛṣṇa Daśamī, sūryodaya 05:59, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/1981-06-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/1981-06-27","sa":"https://sa.vidhyamitra.com/city/surat/1981-06-27","hi":"https://hi.vidhyamitra.com/city/surat/1981-06-27","x-default":"https://vidhyamitra.com/city/surat/1981-06-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T14:02:04.681Z","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":"2026-06-02T14:02:04.681Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T14:02:04.681Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}