{"id":"vidhyamitra:city-day:salem:1981-07-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/salem/1981-07-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-05","date_display":"July 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":7,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444790.770833,"kali_year":5083,"ahargana":1856325.2708,"sun":{"sidereal_longitude":79.0307,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":121.5525,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.5217,"elapsed_within_tithi_degrees":6.5217},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.5525,"elapsed_within_degrees":1.5525},"yoga":{"number":16,"name":"Siddhi","sum_longitude":200.5832},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1981,"month":7,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444790.770833,"ahargana":1856325.2708,"kali_year":5083,"ayanamsa_lahiri":23.5947,"grahas":{"sun":{"sidereal_longitude":79.34977200000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":121.69277199999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":1.4339},"mars":{"sidereal_longitude":57.55667199999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":62.883572000000015,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":159.18647199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":103.01037200000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":159.87337200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":102.9539,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.9539,"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":7,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444790.770833,"kali_year":5083,"ahargana":1856325.2708,"sun":{"sidereal_longitude":79.0307,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":121.5525,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.5217,"elapsed_within_tithi_degrees":6.5217},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.5525,"elapsed_within_degrees":1.5525},"yoga":{"number":16,"name":"Siddhi","sum_longitude":200.5832},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.434,"elongation":42.522},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.434,"opposition_distance":137.478}},"eclipse_window_40days":[{"offset_days":12,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128}]},"city":{"slug":"salem","name":"Salem, Tamil Nadu","lat":11.6643,"lon":78.146,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"salem","name":"Salem, Tamil Nadu","lat":11.6643,"lon":78.146,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"05:58","sunsetLocal":"18:45","solarNoonLocal":"12:22","dayLengthHours":12.78758461715659,"dayLengthDisplay":"12 Hours 47 Mins 15 Secs","nightLengthDisplay":"11 Hours 12 Mins 45 Secs","moonriseLocal":"08:58","moonsetLocal":"21:24","rahuKala":{"name":"Rāhu Kāla","start":"17:09","end":"18:45","startHours":17.155481834707167,"endHours":18.753929911851742,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:22","end":"13:58","startHours":12.360137603273447,"endHours":13.958585680418022,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:33","end":"17:09","startHours":15.557033757562596,"endHours":17.155481834707167,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:23","startHours":8.950115038698357,"endHours":9.376367859270244,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.499161320410011,"endHours":6.84016357686752,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:47","startHours":11.933884782701561,"endHours":12.786390423845333,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:07","startHours":4.261334012407608,"endHours":5.113839653551381,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:58","startHours":4.900713243265438,"endHours":5.966345294695153,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:21","startHours":14.49140170613288,"endHours":15.343907347276653,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.553929911851743,"endHours":18.95392991185174,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.753929911851742,"endHours":19.2867459375666,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.503929911851742,"endHours":20.253929911851742,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:47","startHours":23.93388478270156,"endHours":24.786390423845333,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:58","end":"07:34","startHours":5.966345294695153,"endHours":7.564793371839727,"quality":"inauspicious"},{"name":"Chala","start":"07:34","end":"09:10","startHours":7.564793371839727,"endHours":9.163241448984301,"quality":"neutral"},{"name":"Labha","start":"09:10","end":"10:46","startHours":9.163241448984301,"endHours":10.761689526128874,"quality":"auspicious"},{"name":"Amṛta","start":"10:46","end":"12:22","startHours":10.761689526128874,"endHours":12.360137603273447,"quality":"auspicious"},{"name":"Kāla","start":"12:22","end":"13:58","startHours":12.360137603273447,"endHours":13.958585680418022,"quality":"inauspicious"},{"name":"Śubha","start":"13:58","end":"15:33","startHours":13.958585680418022,"endHours":15.557033757562596,"quality":"auspicious"},{"name":"Roga","start":"15:33","end":"17:09","startHours":15.557033757562596,"endHours":17.155481834707167,"quality":"inauspicious"},{"name":"Udveg","start":"17:09","end":"18:45","startHours":17.155481834707167,"endHours":18.753929911851742,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:45","end":"20:09","startHours":18.753929911851742,"endHours":20.155481834707167,"quality":"auspicious"},{"name":"Roga","start":"20:09","end":"21:33","startHours":20.155481834707167,"endHours":21.557033757562593,"quality":"inauspicious"},{"name":"Udveg","start":"21:33","end":"22:58","startHours":21.557033757562593,"endHours":22.95858568041802,"quality":"inauspicious"},{"name":"Chala","start":"22:58","end":"00:22","startHours":22.95858568041802,"endHours":24.360137603273447,"quality":"neutral"},{"name":"Labha","start":"00:22","end":"01:46","startHours":24.360137603273447,"endHours":25.761689526128873,"quality":"auspicious"},{"name":"Amṛta","start":"01:46","end":"03:10","startHours":25.761689526128873,"endHours":27.1632414489843,"quality":"auspicious"},{"name":"Kāla","start":"03:10","end":"04:34","startHours":27.1632414489843,"endHours":28.564793371839727,"quality":"inauspicious"},{"name":"Śubha","start":"04:34","end":"05:58","startHours":28.564793371839727,"endHours":29.966345294695152,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.966345294695153,"endHours":6.966345294695153,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.966345294695153,"endHours":7.966345294695153,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.966345294695153,"endHours":8.966345294695152,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.966345294695152,"endHours":9.966345294695152,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.966345294695152,"endHours":10.966345294695152,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.966345294695152,"endHours":11.966345294695152,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.966345294695152,"endHours":12.966345294695152,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.966345294695152,"endHours":13.966345294695152,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.966345294695152,"endHours":14.966345294695152,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.966345294695152,"endHours":15.966345294695152,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.966345294695152,"endHours":16.966345294695152,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.966345294695152,"endHours":17.966345294695152,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.966345294695152,"endHours":18.966345294695152,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.966345294695152,"endHours":19.966345294695152,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.966345294695152,"endHours":20.966345294695152,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.966345294695152,"endHours":21.966345294695152,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.966345294695152,"endHours":22.966345294695152,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.966345294695152,"endHours":23.966345294695152,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.966345294695152,"endHours":24.966345294695152,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.966345294695152,"endHours":25.966345294695152,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.966345294695152,"endHours":26.966345294695152,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.966345294695152,"endHours":27.966345294695152,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.966345294695152,"endHours":28.966345294695152,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.966345294695152,"endHours":29.966345294695152,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","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":22.806808649320285,"eotMinutes":-4.192256196406893,"ayanamsa":23.5947}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","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 Śukla Caturthī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"validity":{"eternal":false,"location_specific":"salem"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 5, 1981 CE · Salem, Tamil Nadu · Vidhyamitra","description":"July 5, 1981 CE for Salem, Tamil Nadu: Śukla Caturthī, sūryodaya 05:58, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/salem/1981-07-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/salem/1981-07-05","sa":"https://sa.vidhyamitra.com/city/salem/1981-07-05","hi":"https://hi.vidhyamitra.com/city/salem/1981-07-05","x-default":"https://vidhyamitra.com/city/salem/1981-07-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:58:10.617Z","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":"2026-06-02T18:58:10.617Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:58:10.617Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}