{"id":"vidhyamitra:city-day:surat:1982-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/1982-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-01-17","date_display":"January 17, 1982 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":1982,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444986.770833,"kali_year":5083,"ahargana":1856521.2708,"sun":{"sidereal_longitude":272.9439,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":181.3965,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":268.4526,"elapsed_within_tithi_degrees":4.4526},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.3965,"elapsed_within_degrees":8.0632},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.3404},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1982,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444986.770833,"ahargana":1856521.2708,"kali_year":5083,"ayanamsa_lahiri":23.6022,"grahas":{"sun":{"sidereal_longitude":272.9963829999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":183.60638300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":4.4991},"mars":{"sidereal_longitude":169.54808300000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":292.10138299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":194.96048300000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":280.240183,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":178.184083,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":92.5689,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":272.5689,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1982,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444986.770833,"kali_year":5083,"ahargana":1856521.2708,"sun":{"sidereal_longitude":272.9439,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":181.3965,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":268.4526,"elapsed_within_tithi_degrees":4.4526},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.3965,"elapsed_within_degrees":8.0632},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.3404},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.499,"elongation":91.547},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.499,"opposition_distance":88.453}},"eclipse_window_40days":[{"offset_days":8,"type":"solar","occurs":true,"moon_latitude":-0.544,"elongation":2.054}]},"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":"07:19","sunsetLocal":"18:19","solarNoonLocal":"12:49","dayLengthHours":10.998785916714912,"dayLengthDisplay":"10 Hours 59 Mins 56 Secs","nightLengthDisplay":"13 Hours 00 Mins 04 Secs","moonriseLocal":"01:05","moonsetLocal":"12:37","rahuKala":{"name":"Rāhu Kāla","start":"16:56","end":"18:19","startHours":16.936239531203235,"endHours":18.3110877707926,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:49","end":"14:11","startHours":12.811694812435144,"endHours":14.186543052024508,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:34","end":"16:56","startHours":15.561391291613873,"endHours":16.936239531203235,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:15","startHours":9.8786852346445,"endHours":10.24531143186833,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:46","end":"08:04","startHours":7.770584600607476,"endHours":8.06388555838654,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:27","end":"13:11","startHours":12.445068615211314,"endHours":13.178321009658974,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:35","startHours":5.845797065182367,"endHours":6.579049459630028,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:19","startHours":6.395736361018113,"endHours":7.312301854077688,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:23","startHours":14.644825798554296,"endHours":15.378078193001956,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.1110877707926,"endHours":18.5110877707926,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:46","startHours":18.3110877707926,"endHours":18.76937051732239,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.0610877707926,"endHours":19.8110877707926,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:27","end":"01:11","startHours":24.445068615211312,"endHours":25.178321009658973,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:19","end":"08:41","startHours":7.312301854077688,"endHours":8.687150093667052,"quality":"inauspicious"},{"name":"Chala","start":"08:41","end":"10:04","startHours":8.687150093667052,"endHours":10.061998333256415,"quality":"neutral"},{"name":"Labha","start":"10:04","end":"11:26","startHours":10.061998333256415,"endHours":11.43684657284578,"quality":"auspicious"},{"name":"Amṛta","start":"11:26","end":"12:49","startHours":11.43684657284578,"endHours":12.811694812435144,"quality":"auspicious"},{"name":"Kāla","start":"12:49","end":"14:11","startHours":12.811694812435144,"endHours":14.186543052024508,"quality":"inauspicious"},{"name":"Śubha","start":"14:11","end":"15:34","startHours":14.186543052024508,"endHours":15.561391291613873,"quality":"auspicious"},{"name":"Roga","start":"15:34","end":"16:56","startHours":15.561391291613873,"endHours":16.936239531203235,"quality":"inauspicious"},{"name":"Udveg","start":"16:56","end":"18:19","startHours":16.936239531203235,"endHours":18.3110877707926,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:19","end":"19:56","startHours":18.3110877707926,"endHours":19.936239531203235,"quality":"auspicious"},{"name":"Roga","start":"19:56","end":"21:34","startHours":19.936239531203235,"endHours":21.561391291613873,"quality":"inauspicious"},{"name":"Udveg","start":"21:34","end":"23:11","startHours":21.561391291613873,"endHours":23.186543052024508,"quality":"inauspicious"},{"name":"Chala","start":"23:11","end":"00:49","startHours":23.186543052024508,"endHours":24.811694812435142,"quality":"neutral"},{"name":"Labha","start":"00:49","end":"02:26","startHours":24.811694812435142,"endHours":26.43684657284578,"quality":"auspicious"},{"name":"Amṛta","start":"02:26","end":"04:04","startHours":26.43684657284578,"endHours":28.061998333256415,"quality":"auspicious"},{"name":"Kāla","start":"04:04","end":"05:41","startHours":28.061998333256415,"endHours":29.68715009366705,"quality":"inauspicious"},{"name":"Śubha","start":"05:41","end":"07:19","startHours":29.68715009366705,"endHours":31.31230185407769,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.312301854077688,"endHours":8.312301854077688,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.312301854077688,"endHours":9.312301854077688,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.312301854077688,"endHours":10.312301854077688,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.312301854077688,"endHours":11.312301854077688,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.312301854077688,"endHours":12.312301854077688,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.312301854077688,"endHours":13.312301854077688,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.312301854077688,"endHours":14.312301854077688,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.312301854077688,"endHours":15.312301854077688,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.312301854077688,"endHours":16.31230185407769,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.31230185407769,"endHours":17.31230185407769,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.31230185407769,"endHours":18.31230185407769,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.31230185407769,"endHours":19.31230185407769,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.31230185407769,"endHours":20.31230185407769,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.31230185407769,"endHours":21.31230185407769,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.31230185407769,"endHours":22.31230185407769,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.31230185407769,"endHours":23.31230185407769,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.31230185407769,"endHours":24.31230185407769,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.31230185407769,"endHours":25.31230185407769,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.31230185407769,"endHours":26.31230185407769,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.31230185407769,"endHours":27.31230185407769,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.31230185407769,"endHours":28.31230185407769,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.31230185407769,"endHours":29.31230185407769,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.31230185407769,"endHours":30.31230185407769,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.31230185407769,"endHours":31.31230185407769,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.832585900675532,"eotMinutes":-10.026088746108654,"ayanamsa":23.6022}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"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 Aṣṭamī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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":"surat"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 17, 1982 CE · Surat, Gujarat · Vidhyamitra","description":"January 17, 1982 CE for Surat, Gujarat: Kṛṣṇa Aṣṭamī, sūryodaya 07:19, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/1982-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/1982-01-17","sa":"https://sa.vidhyamitra.com/city/surat/1982-01-17","hi":"https://hi.vidhyamitra.com/city/surat/1982-01-17","x-default":"https://vidhyamitra.com/city/surat/1982-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:46:25.285Z","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":"2026-06-02T18:46:25.285Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:46:25.285Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}