{"id":"vidhyamitra:city-day:coimbatore:1981-08-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/coimbatore/1981-08-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-05","date_display":"August 5, 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":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444821.770833,"kali_year":5083,"ahargana":1856356.2708,"sun":{"sidereal_longitude":108.4325,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":168.8049,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.3724,"elapsed_within_tithi_degrees":0.3724},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":168.8049,"elapsed_within_degrees":8.8049},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.2374},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444821.770833,"ahargana":1856356.2708,"kali_year":5083,"ayanamsa_lahiri":23.5959,"grahas":{"sun":{"sidereal_longitude":108.948687,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":168.13228700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":4.1566},"mars":{"sidereal_longitude":78.46578699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":103.43778700000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":163.45468700000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":140.47408700000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":162.02388700000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.3114,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.3114,"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":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444821.770833,"kali_year":5083,"ahargana":1856356.2708,"sun":{"sidereal_longitude":108.4325,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":168.8049,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.3724,"elapsed_within_tithi_degrees":0.3724},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":168.8049,"elapsed_within_degrees":8.8049},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.2374},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.157,"elongation":60.372},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.157,"opposition_distance":119.628}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":-5,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"city":{"slug":"coimbatore","name":"Coimbatore, Tamil Nadu","lat":11.0168,"lon":76.9558,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"coimbatore","name":"Coimbatore, Tamil Nadu","lat":11.0168,"lon":76.9558,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:11","sunsetLocal":"18:45","solarNoonLocal":"12:28","dayLengthHours":12.574711908269247,"dayLengthDisplay":"12 Hours 34 Mins 29 Secs","nightLengthDisplay":"11 Hours 25 Mins 31 Secs","moonriseLocal":"10:26","moonsetLocal":"22:23","rahuKala":{"name":"Rāhu Kāla","start":"12:28","end":"14:02","startHours":12.464585403035894,"endHours":14.03642439156955,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:45","end":"09:19","startHours":7.749068437434927,"endHours":9.320907425968583,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:54","end":"12:28","startHours":10.892746414502238,"endHours":12.464585403035894,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:32","startHours":9.111328894164096,"endHours":9.53048595777307,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:02","startHours":6.70117577841249,"endHours":7.03650142929967,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:53","startHours":12.045428339426921,"endHours":12.88374246664487,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:20","startHours":4.500601194465371,"endHours":5.338915321683322,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:11","startHours":5.129336789878834,"endHours":6.177229448901271,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:24","startHours":14.56037072108077,"endHours":15.39868484829872,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.55194135717052,"endHours":18.95194135717052,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.75194135717052,"endHours":19.275887686681738,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.50194135717052,"endHours":20.25194135717052,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:53","startHours":24.045428339426923,"endHours":24.883742466644872,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:11","end":"07:45","startHours":6.177229448901271,"endHours":7.749068437434927,"quality":"auspicious"},{"name":"Amṛta","start":"07:45","end":"09:19","startHours":7.749068437434927,"endHours":9.320907425968583,"quality":"auspicious"},{"name":"Kāla","start":"09:19","end":"10:54","startHours":9.320907425968583,"endHours":10.892746414502238,"quality":"inauspicious"},{"name":"Śubha","start":"10:54","end":"12:28","startHours":10.892746414502238,"endHours":12.464585403035894,"quality":"auspicious"},{"name":"Roga","start":"12:28","end":"14:02","startHours":12.464585403035894,"endHours":14.03642439156955,"quality":"inauspicious"},{"name":"Udveg","start":"14:02","end":"15:36","startHours":14.03642439156955,"endHours":15.608263380103207,"quality":"inauspicious"},{"name":"Chala","start":"15:36","end":"17:11","startHours":15.608263380103207,"endHours":17.180102368636863,"quality":"neutral"},{"name":"Labha","start":"17:11","end":"18:45","startHours":17.180102368636863,"endHours":18.75194135717052,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:45","end":"20:11","startHours":18.75194135717052,"endHours":20.180102368636863,"quality":"inauspicious"},{"name":"Chala","start":"20:11","end":"21:36","startHours":20.180102368636863,"endHours":21.608263380103207,"quality":"neutral"},{"name":"Labha","start":"21:36","end":"23:02","startHours":21.608263380103207,"endHours":23.036424391569554,"quality":"auspicious"},{"name":"Amṛta","start":"23:02","end":"00:28","startHours":23.036424391569554,"endHours":24.464585403035898,"quality":"auspicious"},{"name":"Kāla","start":"00:28","end":"01:54","startHours":24.464585403035898,"endHours":25.89274641450224,"quality":"inauspicious"},{"name":"Śubha","start":"01:54","end":"03:19","startHours":25.89274641450224,"endHours":27.320907425968585,"quality":"auspicious"},{"name":"Roga","start":"03:19","end":"04:45","startHours":27.320907425968585,"endHours":28.74906843743493,"quality":"inauspicious"},{"name":"Udveg","start":"04:45","end":"06:11","startHours":28.74906843743493,"endHours":30.177229448901272,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.177229448901271,"endHours":7.177229448901271,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.177229448901271,"endHours":8.177229448901272,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.177229448901272,"endHours":9.177229448901272,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.177229448901272,"endHours":10.177229448901272,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.177229448901272,"endHours":11.177229448901272,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.177229448901272,"endHours":12.177229448901272,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.177229448901272,"endHours":13.177229448901272,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.177229448901272,"endHours":14.177229448901272,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.177229448901272,"endHours":15.177229448901272,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.177229448901272,"endHours":16.177229448901272,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.177229448901272,"endHours":17.177229448901272,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.177229448901272,"endHours":18.177229448901272,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.177229448901272,"endHours":19.177229448901272,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.177229448901272,"endHours":20.177229448901272,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.177229448901272,"endHours":21.177229448901272,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.177229448901272,"endHours":22.177229448901272,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.177229448901272,"endHours":23.177229448901272,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.177229448901272,"endHours":24.177229448901272,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.177229448901272,"endHours":25.177229448901272,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.177229448901272,"endHours":26.177229448901272,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.177229448901272,"endHours":27.177229448901272,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.177229448901272,"endHours":28.177229448901272,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.177229448901272,"endHours":29.177229448901272,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.177229448901272,"endHours":30.177229448901272,"planetary_lord":"Sun"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.03944136592791,"eotMinutes":-5.698324182153711,"ayanamsa":23.5959}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"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 Ṣaṣṭhī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"coimbatore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 5, 1981 CE · Coimbatore, Tamil Nadu · Vidhyamitra","description":"August 5, 1981 CE for Coimbatore, Tamil Nadu: Śukla Ṣaṣṭhī, sūryodaya 06:11, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/coimbatore/1981-08-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/coimbatore/1981-08-05","sa":"https://sa.vidhyamitra.com/city/coimbatore/1981-08-05","hi":"https://hi.vidhyamitra.com/city/coimbatore/1981-08-05","x-default":"https://vidhyamitra.com/city/coimbatore/1981-08-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:11:22.052Z","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":"2026-06-02T06:11:22.052Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:11:22.052Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}