{"id":"vidhyamitra:city-day:vellore:1981-08-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vellore/1981-08-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-22","date_display":"August 22, 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":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444838.770833,"kali_year":5083,"ahargana":1856373.2708,"sun":{"sidereal_longitude":124.6715,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":26.801,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.1295,"elapsed_within_tithi_degrees":10.1295},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":26.801,"elapsed_within_degrees":0.1344},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.4725},"karana":{"half_tithi_index":43,"name":"Bava"},"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":8,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444838.770833,"ahargana":1856373.2708,"kali_year":5083,"ayanamsa_lahiri":23.5965,"grahas":{"sun":{"sidereal_longitude":125.27383800000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":27.898838000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":-4.3168},"mars":{"sidereal_longitude":89.57723800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":136.86163799999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":166.46593800000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":160.79613800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":163.66913799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":100.4106,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.4106,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":8,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444838.770833,"kali_year":5083,"ahargana":1856373.2708,"sun":{"sidereal_longitude":124.6715,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":26.801,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.1295,"elapsed_within_tithi_degrees":10.1295},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":26.801,"elapsed_within_degrees":0.1344},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.4725},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.317,"elongation":97.87},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.317,"opposition_distance":82.13}},"eclipse_window_40days":[]},"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:01","sunsetLocal":"18:31","solarNoonLocal":"12:16","dayLengthHours":12.484864203568861,"dayLengthDisplay":"12 Hours 29 Mins 06 Secs","nightLengthDisplay":"11 Hours 30 Mins 54 Secs","moonriseLocal":"23:27","moonsetLocal":"12:06","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:42","startHours":9.14557288683859,"endHours":10.706180912284697,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:50","end":"15:23","startHours":13.827396963176913,"endHours":15.38800498862302,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:01","end":"07:35","startHours":6.024356835946375,"endHours":7.584964861392483,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.93749181677911,"endHours":9.353653956898071,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:53","startHours":6.544559511095078,"endHours":6.877489223190247,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:41","startHours":11.850626797611843,"endHours":12.682951077849767,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:12","startHours":4.359708275470528,"endHours":5.192032555708451,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:01","startHours":4.98395148564897,"endHours":6.024356835946375,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:11","startHours":14.347599638325615,"endHours":15.179923918563539,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.309221039515236,"endHours":18.709221039515235,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.509221039515236,"endHours":19.02942371466394,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.259221039515236,"endHours":20.009221039515236,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:41","startHours":23.85062679761184,"endHours":24.68295107784977,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:01","end":"07:35","startHours":6.024356835946375,"endHours":7.584964861392483,"quality":"inauspicious"},{"name":"Śubha","start":"07:35","end":"09:09","startHours":7.584964861392483,"endHours":9.14557288683859,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:42","startHours":9.14557288683859,"endHours":10.706180912284697,"quality":"inauspicious"},{"name":"Udveg","start":"10:42","end":"12:16","startHours":10.706180912284697,"endHours":12.266788937730805,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:50","startHours":12.266788937730805,"endHours":13.827396963176913,"quality":"neutral"},{"name":"Labha","start":"13:50","end":"15:23","startHours":13.827396963176913,"endHours":15.38800498862302,"quality":"auspicious"},{"name":"Amṛta","start":"15:23","end":"16:57","startHours":15.38800498862302,"endHours":16.948613014069128,"quality":"auspicious"},{"name":"Kāla","start":"16:57","end":"18:31","startHours":16.948613014069128,"endHours":18.509221039515236,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:31","end":"19:57","startHours":18.509221039515236,"endHours":19.948613014069128,"quality":"auspicious"},{"name":"Amṛta","start":"19:57","end":"21:23","startHours":19.948613014069128,"endHours":21.38800498862302,"quality":"auspicious"},{"name":"Kāla","start":"21:23","end":"22:50","startHours":21.38800498862302,"endHours":22.827396963176913,"quality":"inauspicious"},{"name":"Śubha","start":"22:50","end":"00:16","startHours":22.827396963176913,"endHours":24.266788937730805,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:42","startHours":24.266788937730805,"endHours":25.706180912284697,"quality":"inauspicious"},{"name":"Udveg","start":"01:42","end":"03:09","startHours":25.706180912284697,"endHours":27.14557288683859,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:35","startHours":27.14557288683859,"endHours":28.584964861392482,"quality":"neutral"},{"name":"Labha","start":"04:35","end":"06:01","startHours":28.584964861392482,"endHours":30.024356835946374,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.024356835946375,"endHours":7.024356835946375,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.024356835946375,"endHours":8.024356835946374,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.024356835946374,"endHours":9.024356835946374,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.024356835946374,"endHours":10.024356835946374,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.024356835946374,"endHours":11.024356835946374,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.024356835946374,"endHours":12.024356835946374,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.024356835946374,"endHours":13.024356835946374,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.024356835946374,"endHours":14.024356835946374,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.024356835946374,"endHours":15.024356835946374,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.024356835946374,"endHours":16.024356835946374,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.024356835946374,"endHours":17.024356835946374,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.024356835946374,"endHours":18.024356835946374,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.024356835946374,"endHours":19.024356835946374,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.024356835946374,"endHours":20.024356835946374,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.024356835946374,"endHours":21.024356835946374,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.024356835946374,"endHours":22.024356835946374,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.024356835946374,"endHours":23.024356835946374,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.024356835946374,"endHours":24.024356835946374,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.024356835946374,"endHours":25.024356835946374,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.024356835946374,"endHours":26.024356835946374,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.024356835946374,"endHours":27.024356835946374,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.024356835946374,"endHours":28.024356835946374,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.024356835946374,"endHours":29.024356835946374,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.024356835946374,"endHours":30.024356835946374,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"Sushira","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.865699355339258,"eotMinutes":-2.537336263848294,"ayanamsa":23.5965}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Saptamī · 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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"vellore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 22, 1981 CE · Vellore, Tamil Nadu · Vidhyamitra","description":"August 22, 1981 CE for Vellore, Tamil Nadu: Kṛṣṇa Saptamī, sūryodaya 06:01, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vellore/1981-08-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vellore/1981-08-22","sa":"https://sa.vidhyamitra.com/city/vellore/1981-08-22","hi":"https://hi.vidhyamitra.com/city/vellore/1981-08-22","x-default":"https://vidhyamitra.com/city/vellore/1981-08-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:05:20.477Z","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":"2026-06-02T03:05:20.477Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:05:20.477Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}