{"id":"vidhyamitra:city-day:erode:2028-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2028-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-01-13","date_display":"January 13, 2028 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":2028,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461783.770833,"kali_year":5129,"ahargana":1873318.2708,"sun":{"sidereal_longitude":267.9091,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":98.1876,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.2784,"elapsed_within_tithi_degrees":10.2784},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.1876,"elapsed_within_degrees":4.8542},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.0967},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2028,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461783.770833,"ahargana":1873318.2708,"kali_year":5129,"ayanamsa_lahiri":24.2446,"grahas":{"sun":{"sidereal_longitude":268.110414,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":100.30271399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":0.3445},"mars":{"sidereal_longitude":282.71471399999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":285.62061400000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":153.07851400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":305.03051400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":357.162814,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":282.583,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":102.583,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2028,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461783.770833,"kali_year":5129,"ahargana":1873318.2708,"sun":{"sidereal_longitude":267.9091,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":98.1876,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.2784,"elapsed_within_tithi_degrees":10.2784},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.1876,"elapsed_within_degrees":4.8542},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.0967},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.345,"elongation":169.722},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.345,"opposition_distance":10.278}},"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":"06:42","sunsetLocal":"18:13","solarNoonLocal":"12:28","dayLengthHours":11.51539159831507,"dayLengthDisplay":"11 Hours 30 Mins 55 Secs","nightLengthDisplay":"12 Hours 29 Mins 05 Secs","moonriseLocal":"18:58","moonsetLocal":"07:35","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:20","startHours":13.902209474645609,"endHours":15.341633424434994,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:42","end":"08:09","startHours":6.705089725698691,"endHours":8.144513675488074,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:35","end":"11:01","startHours":9.583937625277459,"endHours":11.023361575066843,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:47","startHours":9.392014431972207,"endHours":9.77586081858271,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:30","startHours":7.184897708961819,"endHours":7.491974818250221,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:51","startHours":12.078939138245724,"endHours":12.846631911466728,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:56","startHours":5.169704179256682,"endHours":5.937396952477687,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:42","startHours":5.745473759172436,"endHours":6.705089725698691,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:09","startHours":14.382017457908738,"endHours":15.149710231129742,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.020481324013762,"endHours":18.42048132401376,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:42","startHours":18.22048132401376,"endHours":18.70028930727689,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.97048132401376,"endHours":19.72048132401376,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:51","startHours":24.078939138245723,"endHours":24.84663191146673,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:42","end":"08:09","startHours":6.705089725698691,"endHours":8.144513675488074,"quality":"auspicious"},{"name":"Roga","start":"08:09","end":"09:35","startHours":8.144513675488074,"endHours":9.583937625277459,"quality":"inauspicious"},{"name":"Udveg","start":"09:35","end":"11:01","startHours":9.583937625277459,"endHours":11.023361575066843,"quality":"inauspicious"},{"name":"Chala","start":"11:01","end":"12:28","startHours":11.023361575066843,"endHours":12.462785524856226,"quality":"neutral"},{"name":"Labha","start":"12:28","end":"13:54","startHours":12.462785524856226,"endHours":13.902209474645609,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:20","startHours":13.902209474645609,"endHours":15.341633424434994,"quality":"auspicious"},{"name":"Kāla","start":"15:20","end":"16:47","startHours":15.341633424434994,"endHours":16.78105737422438,"quality":"inauspicious"},{"name":"Śubha","start":"16:47","end":"18:13","startHours":16.78105737422438,"endHours":18.22048132401376,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:13","end":"19:47","startHours":18.22048132401376,"endHours":19.78105737422438,"quality":"auspicious"},{"name":"Kāla","start":"19:47","end":"21:20","startHours":19.78105737422438,"endHours":21.341633424434995,"quality":"inauspicious"},{"name":"Śubha","start":"21:20","end":"22:54","startHours":21.341633424434995,"endHours":22.90220947464561,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:28","startHours":22.90220947464561,"endHours":24.462785524856226,"quality":"inauspicious"},{"name":"Udveg","start":"00:28","end":"02:01","startHours":24.462785524856226,"endHours":26.023361575066843,"quality":"inauspicious"},{"name":"Chala","start":"02:01","end":"03:35","startHours":26.023361575066843,"endHours":27.583937625277457,"quality":"neutral"},{"name":"Labha","start":"03:35","end":"05:09","startHours":27.583937625277457,"endHours":29.144513675488074,"quality":"auspicious"},{"name":"Amṛta","start":"05:09","end":"06:42","startHours":29.144513675488074,"endHours":30.70508972569869,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.705089725698691,"endHours":7.705089725698691,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.705089725698691,"endHours":8.705089725698691,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.705089725698691,"endHours":9.705089725698691,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.705089725698691,"endHours":10.705089725698691,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.705089725698691,"endHours":11.705089725698691,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.705089725698691,"endHours":12.705089725698691,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.705089725698691,"endHours":13.705089725698691,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.705089725698691,"endHours":14.705089725698691,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.705089725698691,"endHours":15.705089725698691,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.705089725698691,"endHours":16.70508972569869,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.70508972569869,"endHours":17.70508972569869,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.70508972569869,"endHours":18.70508972569869,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.70508972569869,"endHours":19.70508972569869,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.70508972569869,"endHours":20.70508972569869,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.70508972569869,"endHours":21.70508972569869,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.70508972569869,"endHours":22.70508972569869,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.70508972569869,"endHours":23.70508972569869,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.70508972569869,"endHours":24.70508972569869,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.70508972569869,"endHours":25.70508972569869,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.70508972569869,"endHours":26.70508972569869,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.70508972569869,"endHours":27.70508972569869,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.70508972569869,"endHours":28.70508972569869,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.70508972569869,"endHours":29.70508972569869,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.70508972569869,"endHours":30.70508972569869,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.58251883608157,"eotMinutes":-8.635931491373626,"ayanamsa":24.2446}},"calendars":{"vikram_samvat":2085,"vikram_samvatsara":"Durmati","saka_samvat":1950,"saka_samvatsara":"Kīlaka","bengali_samvat":1435,"malayalam_era":1204,"nanakshahi_year":559,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Pratipada · Vikram 2085 Durmati · Śaka 1950 Kīlaka"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 January 13, 2028 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 13, 2028 CE for Erode, Tamil Nadu: Kṛṣṇa Pratipada, sūryodaya 06:42, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2028-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2028-01-13","sa":"https://sa.vidhyamitra.com/city/erode/2028-01-13","hi":"https://hi.vidhyamitra.com/city/erode/2028-01-13","x-default":"https://vidhyamitra.com/city/erode/2028-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:07:55.080Z","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":"2026-05-14T21:07:55.080Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:07:55.080Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}