{"id":"vidhyamitra:city-day:erode:1978-07-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1978-07-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-07-23","date_display":"July 23, 1978 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":1978,"month":7,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443712.770833,"kali_year":5080,"ahargana":1855247.2708,"sun":{"sidereal_longitude":95.8686,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":314.7734,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.9048,"elapsed_within_tithi_degrees":2.9048},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.7734,"elapsed_within_degrees":8.1068},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":50.642},"karana":{"half_tithi_index":36,"name":"Bava"},"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":1978,"month":7,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443712.770833,"ahargana":1855247.2708,"kali_year":5080,"ayanamsa_lahiri":23.5534,"grahas":{"sun":{"sidereal_longitude":96.29785900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":317.061559,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":1.9214},"mars":{"sidereal_longitude":149.16175900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":123.53645899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":86.83475899999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":139.111059,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":125.897359,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":160.0715,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.0715,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"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":1978,"month":7,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443712.770833,"kali_year":5080,"ahargana":1855247.2708,"sun":{"sidereal_longitude":95.8686,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":314.7734,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.9048,"elapsed_within_tithi_degrees":2.9048},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.7734,"elapsed_within_degrees":8.1068},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":50.642},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.921,"elongation":141.095},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.921,"opposition_distance":38.905}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:05","sunsetLocal":"18:46","solarNoonLocal":"12:25","dayLengthHours":12.684713165613474,"dayLengthDisplay":"12 Hours 41 Mins 05 Secs","nightLengthDisplay":"11 Hours 18 Mins 55 Secs","moonriseLocal":"21:12","moonsetLocal":"09:05","rahuKala":{"name":"Rāhu Kāla","start":"17:11","end":"18:46","startHours":17.17783640582917,"endHours":18.76342555153085,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:25","end":"14:00","startHours":12.421068968724114,"endHours":14.0066581144258,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:36","end":"17:11","startHours":15.592247260127483,"endHours":17.17783640582917,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:28","startHours":9.038478791227188,"endHours":9.461302563414305,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:57","startHours":6.607242101151273,"endHours":6.945501118900966,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:51","startHours":11.998245196536999,"endHours":12.84389274091123,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:14","startHours":4.387417297168915,"endHours":5.233064841543147,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:05","startHours":5.021652955449589,"endHours":6.078712385917378,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:23","startHours":14.535187829659694,"endHours":15.380835374033927,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.56342555153085,"endHours":18.96342555153085,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:18","startHours":18.76342555153085,"endHours":19.291955266764745,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.51342555153085,"endHours":20.26342555153085,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:51","startHours":23.998245196537,"endHours":24.84389274091123,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:05","end":"07:40","startHours":6.078712385917378,"endHours":7.664301531619063,"quality":"inauspicious"},{"name":"Chala","start":"07:40","end":"09:15","startHours":7.664301531619063,"endHours":9.249890677320746,"quality":"neutral"},{"name":"Labha","start":"09:15","end":"10:50","startHours":9.249890677320746,"endHours":10.835479823022432,"quality":"auspicious"},{"name":"Amṛta","start":"10:50","end":"12:25","startHours":10.835479823022432,"endHours":12.421068968724114,"quality":"auspicious"},{"name":"Kāla","start":"12:25","end":"14:00","startHours":12.421068968724114,"endHours":14.0066581144258,"quality":"inauspicious"},{"name":"Śubha","start":"14:00","end":"15:36","startHours":14.0066581144258,"endHours":15.592247260127483,"quality":"auspicious"},{"name":"Roga","start":"15:36","end":"17:11","startHours":15.592247260127483,"endHours":17.17783640582917,"quality":"inauspicious"},{"name":"Udveg","start":"17:11","end":"18:46","startHours":17.17783640582917,"endHours":18.76342555153085,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:46","end":"20:11","startHours":18.76342555153085,"endHours":20.17783640582917,"quality":"auspicious"},{"name":"Roga","start":"20:11","end":"21:36","startHours":20.17783640582917,"endHours":21.592247260127483,"quality":"inauspicious"},{"name":"Udveg","start":"21:36","end":"23:00","startHours":21.592247260127483,"endHours":23.006658114425797,"quality":"inauspicious"},{"name":"Chala","start":"23:00","end":"00:25","startHours":23.006658114425797,"endHours":24.421068968724114,"quality":"neutral"},{"name":"Labha","start":"00:25","end":"01:50","startHours":24.421068968724114,"endHours":25.835479823022432,"quality":"auspicious"},{"name":"Amṛta","start":"01:50","end":"03:15","startHours":25.835479823022432,"endHours":27.249890677320746,"quality":"auspicious"},{"name":"Kāla","start":"03:15","end":"04:40","startHours":27.249890677320746,"endHours":28.66430153161906,"quality":"inauspicious"},{"name":"Śubha","start":"04:40","end":"06:05","startHours":28.66430153161906,"endHours":30.078712385917378,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.078712385917378,"endHours":7.078712385917378,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.078712385917378,"endHours":8.078712385917378,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.078712385917378,"endHours":9.078712385917378,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.078712385917378,"endHours":10.078712385917378,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.078712385917378,"endHours":11.078712385917378,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.078712385917378,"endHours":12.078712385917378,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.078712385917378,"endHours":13.078712385917378,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.078712385917378,"endHours":14.078712385917378,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.078712385917378,"endHours":15.078712385917378,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.078712385917378,"endHours":16.078712385917378,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.078712385917378,"endHours":17.078712385917378,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.078712385917378,"endHours":18.078712385917378,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.078712385917378,"endHours":19.078712385917378,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.078712385917378,"endHours":20.078712385917378,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.078712385917378,"endHours":21.078712385917378,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.078712385917378,"endHours":22.078712385917378,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.078712385917378,"endHours":23.078712385917378,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.078712385917378,"endHours":24.078712385917378,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.078712385917378,"endHours":25.078712385917378,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.078712385917378,"endHours":26.078712385917378,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.078712385917378,"endHours":27.078712385917378,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.078712385917378,"endHours":28.078712385917378,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.078712385917378,"endHours":29.078712385917378,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.078712385917378,"endHours":30.078712385917378,"planetary_lord":"Jupiter"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.179446504500717,"eotMinutes":-6.132938123446804,"ayanamsa":23.5534}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Caturthī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"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":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 23, 1978 CE · Erode, Tamil Nadu · Vidhyamitra","description":"July 23, 1978 CE for Erode, Tamil Nadu: Kṛṣṇa Caturthī, sūryodaya 06:05, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1978-07-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1978-07-23","sa":"https://sa.vidhyamitra.com/city/erode/1978-07-23","hi":"https://hi.vidhyamitra.com/city/erode/1978-07-23","x-default":"https://vidhyamitra.com/city/erode/1978-07-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T02:17:03.734Z","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":"2026-05-19T02:17:03.734Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T02:17:03.734Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}