{"id":"vidhyamitra:city-day:erode:1968-12-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1968-12-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1968-12-21","date_display":"December 21, 1968 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":1968,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440211.770833,"kali_year":5070,"ahargana":1851746.2708,"sun":{"sidereal_longitude":245.5705,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":262.7649,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.1943,"elapsed_within_tithi_degrees":5.1943},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":262.7649,"elapsed_within_degrees":9.4315},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.3354},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":1968,"month":12,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440211.770833,"ahargana":1851746.2708,"kali_year":5070,"ayanamsa_lahiri":23.4195,"grahas":{"sun":{"sidereal_longitude":245.825423,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":264.0487230000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":-4.4645},"mars":{"sidereal_longitude":181.90622299999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":254.13102300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":161.72542299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":290.052823,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":355.836023,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":345.5713,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":165.5713,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"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":1968,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440211.770833,"kali_year":5070,"ahargana":1851746.2708,"sun":{"sidereal_longitude":245.5705,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":262.7649,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.1943,"elapsed_within_tithi_degrees":5.1943},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":262.7649,"elapsed_within_degrees":9.4315},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.3354},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.465,"elongation":17.194},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.465,"opposition_distance":162.806}},"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":"06:34","sunsetLocal":"18:02","solarNoonLocal":"12:18","dayLengthHours":11.458874319442792,"dayLengthDisplay":"11 Hours 27 Mins 32 Secs","nightLengthDisplay":"12 Hours 32 Mins 28 Secs","moonriseLocal":"07:47","moonsetLocal":"19:14","rahuKala":{"name":"Rāhu Kāla","start":"09:26","end":"10:52","startHours":9.431090930023599,"endHours":10.863450219953947,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:44","end":"15:10","startHours":13.728168799814647,"endHours":15.160528089744995,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:34","end":"08:00","startHours":6.566372350162901,"endHours":7.99873164009325,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:37","startHours":9.240109691366218,"endHours":9.62207216868098,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.04382544680635,"endHours":7.349395428658158,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:41","startHours":11.913847032569537,"endHours":12.677771987199057,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:02","end":"05:48","startHours":5.038522440903861,"endHours":5.802447395533381,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:37","end":"06:34","startHours":5.611466156876001,"endHours":6.566372350162901,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:58","startHours":14.205621896458096,"endHours":14.969546851087616,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.825246669605693,"endHours":18.225246669605692,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:30","startHours":18.025246669605693,"endHours":18.502699766249144,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.775246669605693,"endHours":19.525246669605693,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:41","startHours":23.91384703256954,"endHours":24.677771987199055,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:34","end":"08:00","startHours":6.566372350162901,"endHours":7.99873164009325,"quality":"inauspicious"},{"name":"Śubha","start":"08:00","end":"09:26","startHours":7.99873164009325,"endHours":9.431090930023599,"quality":"auspicious"},{"name":"Roga","start":"09:26","end":"10:52","startHours":9.431090930023599,"endHours":10.863450219953947,"quality":"inauspicious"},{"name":"Udveg","start":"10:52","end":"12:18","startHours":10.863450219953947,"endHours":12.295809509884297,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"13:44","startHours":12.295809509884297,"endHours":13.728168799814647,"quality":"neutral"},{"name":"Labha","start":"13:44","end":"15:10","startHours":13.728168799814647,"endHours":15.160528089744995,"quality":"auspicious"},{"name":"Amṛta","start":"15:10","end":"16:36","startHours":15.160528089744995,"endHours":16.592887379675343,"quality":"auspicious"},{"name":"Kāla","start":"16:36","end":"18:02","startHours":16.592887379675343,"endHours":18.025246669605693,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:02","end":"19:36","startHours":18.025246669605693,"endHours":19.592887379675343,"quality":"auspicious"},{"name":"Amṛta","start":"19:36","end":"21:10","startHours":19.592887379675343,"endHours":21.160528089744993,"quality":"auspicious"},{"name":"Kāla","start":"21:10","end":"22:44","startHours":21.160528089744993,"endHours":22.728168799814647,"quality":"inauspicious"},{"name":"Śubha","start":"22:44","end":"00:18","startHours":22.728168799814647,"endHours":24.295809509884297,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"01:52","startHours":24.295809509884297,"endHours":25.863450219953947,"quality":"inauspicious"},{"name":"Udveg","start":"01:52","end":"03:26","startHours":25.863450219953947,"endHours":27.4310909300236,"quality":"inauspicious"},{"name":"Chala","start":"03:26","end":"05:00","startHours":27.4310909300236,"endHours":28.99873164009325,"quality":"neutral"},{"name":"Labha","start":"05:00","end":"06:34","startHours":28.99873164009325,"endHours":30.5663723501629,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.566372350162901,"endHours":7.566372350162901,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.566372350162901,"endHours":8.5663723501629,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.5663723501629,"endHours":9.5663723501629,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.5663723501629,"endHours":10.5663723501629,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.5663723501629,"endHours":11.5663723501629,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.5663723501629,"endHours":12.5663723501629,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.5663723501629,"endHours":13.5663723501629,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.5663723501629,"endHours":14.5663723501629,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.5663723501629,"endHours":15.5663723501629,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.5663723501629,"endHours":16.5663723501629,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.5663723501629,"endHours":17.5663723501629,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.5663723501629,"endHours":18.5663723501629,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.5663723501629,"endHours":19.5663723501629,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.5663723501629,"endHours":20.5663723501629,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.5663723501629,"endHours":21.5663723501629,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.5663723501629,"endHours":22.5663723501629,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.5663723501629,"endHours":23.5663723501629,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.5663723501629,"endHours":24.5663723501629,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.5663723501629,"endHours":25.5663723501629,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.5663723501629,"endHours":26.5663723501629,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.5663723501629,"endHours":27.5663723501629,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.5663723501629,"endHours":28.5663723501629,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.5663723501629,"endHours":29.5663723501629,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.5663723501629,"endHours":30.5663723501629,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.43434322763451,"eotMinutes":1.382629406942221,"ayanamsa":23.4195}},"calendars":{"vikram_samvat":2025,"vikram_samvatsara":"Durmati","saka_samvat":1890,"saka_samvatsara":"Kīlaka","bengali_samvat":1375,"malayalam_era":1144,"nanakshahi_year":499,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvitīyā · Vikram 2025 Durmati · Śaka 1890 Kīlaka"},"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":[]},"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 December 21, 1968 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 21, 1968 CE for Erode, Tamil Nadu: Śukla Dvitīyā, sūryodaya 06:34, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1968-12-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1968-12-21","sa":"https://sa.vidhyamitra.com/city/erode/1968-12-21","hi":"https://hi.vidhyamitra.com/city/erode/1968-12-21","x-default":"https://vidhyamitra.com/city/erode/1968-12-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:07:02.165Z","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":"2026-05-31T10:07:02.165Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:07:02.165Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}