{"id":"vidhyamitra:city-day:noida:2181-08-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/2181-08-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-08-17","date_display":"August 17, 2181 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":2181,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517882.770833,"kali_year":5283,"ahargana":1929417.2708,"sun":{"sidereal_longitude":117.2526,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":197.8161,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.5636,"elapsed_within_tithi_degrees":8.5636},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.8161,"elapsed_within_degrees":11.1495},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.0687},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2181,"month":8,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517882.770833,"ahargana":1929417.2708,"kali_year":5283,"ayanamsa_lahiri":26.3902,"grahas":{"sun":{"sidereal_longitude":118.30471999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":196.55642,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":0.5967},"mars":{"sidereal_longitude":146.91172,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":140.79892,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":122.63131999999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":160.18432000000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":90.12261999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":190.188,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":10.188,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":2181,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517882.770833,"kali_year":5283,"ahargana":1929417.2708,"sun":{"sidereal_longitude":117.2526,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":197.8161,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.5636,"elapsed_within_tithi_degrees":8.5636},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.8161,"elapsed_within_degrees":11.1495},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.0687},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.597,"elongation":80.564},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.597,"opposition_distance":99.436}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:51","sunsetLocal":"18:58","solarNoonLocal":"12:24","dayLengthHours":13.11496982463187,"dayLengthDisplay":"13 Hours 06 Mins 54 Secs","nightLengthDisplay":"10 Hours 53 Mins 06 Secs","moonriseLocal":"12:10","moonsetLocal":"23:05","rahuKala":{"name":"Rāhu Kāla","start":"10:46","end":"12:24","startHours":10.76378846448965,"endHours":12.403159692568632,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:41","end":"17:19","startHours":15.6819021487266,"endHours":17.321273376805586,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:29","end":"09:07","startHours":7.485046008331682,"endHours":9.124417236410665,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:21","startHours":8.905834406000135,"endHours":9.343000066821197,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.3921318562790255,"endHours":6.741864384935876,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:50","startHours":11.96599403174757,"endHours":12.840325353389694,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.0970121369684485,"endHours":4.971343458610573,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:51","startHours":4.752760628200042,"endHours":5.845674780252698,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:28","startHours":14.588987996673943,"endHours":15.463319318316067,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.76064460488457,"endHours":19.160644604884567,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:30","startHours":18.960644604884568,"endHours":19.507101680910896,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.710644604884568,"endHours":20.460644604884568,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:50","startHours":23.96599403174757,"endHours":24.840325353389694,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:51","end":"07:29","startHours":5.845674780252698,"endHours":7.485046008331682,"quality":"neutral"},{"name":"Labha","start":"07:29","end":"09:07","startHours":7.485046008331682,"endHours":9.124417236410665,"quality":"auspicious"},{"name":"Amṛta","start":"09:07","end":"10:46","startHours":9.124417236410665,"endHours":10.76378846448965,"quality":"auspicious"},{"name":"Kāla","start":"10:46","end":"12:24","startHours":10.76378846448965,"endHours":12.403159692568632,"quality":"inauspicious"},{"name":"Śubha","start":"12:24","end":"14:03","startHours":12.403159692568632,"endHours":14.042530920647618,"quality":"auspicious"},{"name":"Roga","start":"14:03","end":"15:41","startHours":14.042530920647618,"endHours":15.6819021487266,"quality":"inauspicious"},{"name":"Udveg","start":"15:41","end":"17:19","startHours":15.6819021487266,"endHours":17.321273376805586,"quality":"inauspicious"},{"name":"Chala","start":"17:19","end":"18:58","startHours":17.321273376805586,"endHours":18.960644604884568,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:58","end":"20:19","startHours":18.960644604884568,"endHours":20.321273376805586,"quality":"inauspicious"},{"name":"Udveg","start":"20:19","end":"21:41","startHours":20.321273376805586,"endHours":21.6819021487266,"quality":"inauspicious"},{"name":"Chala","start":"21:41","end":"23:03","startHours":21.6819021487266,"endHours":23.042530920647614,"quality":"neutral"},{"name":"Labha","start":"23:03","end":"00:24","startHours":23.042530920647614,"endHours":24.403159692568632,"quality":"auspicious"},{"name":"Amṛta","start":"00:24","end":"01:46","startHours":24.403159692568632,"endHours":25.76378846448965,"quality":"auspicious"},{"name":"Kāla","start":"01:46","end":"03:07","startHours":25.76378846448965,"endHours":27.124417236410665,"quality":"inauspicious"},{"name":"Śubha","start":"03:07","end":"04:29","startHours":27.124417236410665,"endHours":28.48504600833168,"quality":"auspicious"},{"name":"Roga","start":"04:29","end":"05:51","startHours":28.48504600833168,"endHours":29.845674780252697,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.845674780252698,"endHours":6.845674780252698,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.845674780252698,"endHours":7.845674780252698,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.845674780252698,"endHours":8.845674780252697,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.845674780252697,"endHours":9.845674780252697,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.845674780252697,"endHours":10.845674780252697,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.845674780252697,"endHours":11.845674780252697,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.845674780252697,"endHours":12.845674780252697,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.845674780252697,"endHours":13.845674780252697,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.845674780252697,"endHours":14.845674780252697,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.845674780252697,"endHours":15.845674780252697,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.845674780252697,"endHours":16.845674780252697,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.845674780252697,"endHours":17.845674780252697,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.845674780252697,"endHours":18.845674780252697,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.845674780252697,"endHours":19.845674780252697,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.845674780252697,"endHours":20.845674780252697,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.845674780252697,"endHours":21.845674780252697,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.845674780252697,"endHours":22.845674780252697,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.845674780252697,"endHours":23.845674780252697,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.845674780252697,"endHours":24.845674780252697,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.845674780252697,"endHours":25.845674780252697,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.845674780252697,"endHours":26.845674780252697,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.845674780252697,"endHours":27.845674780252697,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.845674780252697,"endHours":28.845674780252697,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.845674780252697,"endHours":29.845674780252697,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"South-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.28891867042351,"eotMinutes":-3.7535815541179196,"ayanamsa":26.3902}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Saptamī · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"festivals":[],"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":"noida"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 17, 2181 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"August 17, 2181 CE for Noida, Uttar Pradesh: Śukla Saptamī, sūryodaya 05:51, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2181-08-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2181-08-17","sa":"https://sa.vidhyamitra.com/city/noida/2181-08-17","hi":"https://hi.vidhyamitra.com/city/noida/2181-08-17","x-default":"https://vidhyamitra.com/city/noida/2181-08-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T21:22:19.681Z","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":"2026-06-03T21:22:19.681Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T21:22:19.681Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}