{"id":"vidhyamitra:city-day:erode:2003-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2003-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2003-01-31","date_display":"January 31, 2003 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":2003,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452670.770833,"kali_year":5104,"ahargana":1864205.2708,"sun":{"sidereal_longitude":286.843,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":271.0927,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.2497,"elapsed_within_tithi_degrees":8.2497},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":271.0927,"elapsed_within_degrees":4.426},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.9357},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2003,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452670.770833,"ahargana":1864205.2708,"kali_year":5104,"ayanamsa_lahiri":23.8961,"grahas":{"sun":{"sidereal_longitude":286.84209799999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":269.524398,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-3.2168},"mars":{"sidereal_longitude":225.00789800000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":261.8055979999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":109.42509799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":240.93489799999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":58.58009800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":45.4336,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":225.4336,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"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":2003,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452670.770833,"kali_year":5104,"ahargana":1864205.2708,"sun":{"sidereal_longitude":286.843,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":271.0927,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":344.2497,"elapsed_within_tithi_degrees":8.2497},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":271.0927,"elapsed_within_degrees":4.426},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.9357},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.217,"elongation":15.75},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.217,"opposition_distance":164.25}},"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":"06:44","sunsetLocal":"18:22","solarNoonLocal":"12:33","dayLengthHours":11.634399570674658,"dayLengthDisplay":"11 Hours 38 Mins 04 Secs","nightLengthDisplay":"12 Hours 21 Mins 56 Secs","moonriseLocal":"05:39","moonsetLocal":"17:08","rahuKala":{"name":"Rāhu Kāla","start":"11:05","end":"12:33","startHours":11.090046529363036,"endHours":12.544346475697367,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:27","end":"16:54","startHours":15.452946368366032,"endHours":16.907246314700366,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:11","end":"09:38","startHours":8.181446636694371,"endHours":9.635746583028704,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:50","startHours":9.44183992351746,"endHours":9.829653242539948,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:31","startHours":7.21191333913815,"endHours":7.5221639943561405,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:56","startHours":12.156533156674879,"endHours":12.932159794719855,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.175893414270084,"endHours":5.951520052315061,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:44","startHours":5.757613392803817,"endHours":6.727146690360039,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:16","startHours":14.48341307080981,"endHours":15.259039708854788,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.161546261034697,"endHours":18.561546261034696,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:51","startHours":18.361546261034697,"endHours":18.846312909812806,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.111546261034697,"endHours":19.861546261034697,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:56","startHours":24.15653315667488,"endHours":24.932159794719855,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:44","end":"08:11","startHours":6.727146690360039,"endHours":8.181446636694371,"quality":"neutral"},{"name":"Labha","start":"08:11","end":"09:38","startHours":8.181446636694371,"endHours":9.635746583028704,"quality":"auspicious"},{"name":"Amṛta","start":"09:38","end":"11:05","startHours":9.635746583028704,"endHours":11.090046529363036,"quality":"auspicious"},{"name":"Kāla","start":"11:05","end":"12:33","startHours":11.090046529363036,"endHours":12.544346475697367,"quality":"inauspicious"},{"name":"Śubha","start":"12:33","end":"14:00","startHours":12.544346475697367,"endHours":13.998646422031701,"quality":"auspicious"},{"name":"Roga","start":"14:00","end":"15:27","startHours":13.998646422031701,"endHours":15.452946368366032,"quality":"inauspicious"},{"name":"Udveg","start":"15:27","end":"16:54","startHours":15.452946368366032,"endHours":16.907246314700366,"quality":"inauspicious"},{"name":"Chala","start":"16:54","end":"18:22","startHours":16.907246314700366,"endHours":18.361546261034697,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:22","end":"19:54","startHours":18.361546261034697,"endHours":19.907246314700366,"quality":"inauspicious"},{"name":"Udveg","start":"19:54","end":"21:27","startHours":19.907246314700366,"endHours":21.45294636836603,"quality":"inauspicious"},{"name":"Chala","start":"21:27","end":"23:00","startHours":21.45294636836603,"endHours":22.9986464220317,"quality":"neutral"},{"name":"Labha","start":"23:00","end":"00:33","startHours":22.9986464220317,"endHours":24.544346475697367,"quality":"auspicious"},{"name":"Amṛta","start":"00:33","end":"02:05","startHours":24.544346475697367,"endHours":26.090046529363036,"quality":"auspicious"},{"name":"Kāla","start":"02:05","end":"03:38","startHours":26.090046529363036,"endHours":27.635746583028705,"quality":"inauspicious"},{"name":"Śubha","start":"03:38","end":"05:11","startHours":27.635746583028705,"endHours":29.18144663669437,"quality":"auspicious"},{"name":"Roga","start":"05:11","end":"06:44","startHours":29.18144663669437,"endHours":30.727146690360037,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.727146690360039,"endHours":7.727146690360039,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.727146690360039,"endHours":8.727146690360039,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.727146690360039,"endHours":9.727146690360039,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.727146690360039,"endHours":10.727146690360039,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.727146690360039,"endHours":11.727146690360039,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.727146690360039,"endHours":12.727146690360039,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.727146690360039,"endHours":13.727146690360039,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.727146690360039,"endHours":14.727146690360039,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.727146690360039,"endHours":15.727146690360039,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.727146690360039,"endHours":16.727146690360037,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.727146690360037,"endHours":17.727146690360037,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.727146690360037,"endHours":18.727146690360037,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.727146690360037,"endHours":19.727146690360037,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.727146690360037,"endHours":20.727146690360037,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.727146690360037,"endHours":21.727146690360037,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.727146690360037,"endHours":22.727146690360037,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.727146690360037,"endHours":23.727146690360037,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.727146690360037,"endHours":24.727146690360037,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.727146690360037,"endHours":25.727146690360037,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.727146690360037,"endHours":26.727146690360037,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.727146690360037,"endHours":27.727146690360037,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.727146690360037,"endHours":28.727146690360037,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.727146690360037,"endHours":29.727146690360037,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.727146690360037,"endHours":30.727146690360037,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.539405800051846,"eotMinutes":-13.52958854184206,"ayanamsa":23.8961}},"calendars":{"vikram_samvat":2060,"vikram_samvatsara":"Durmukhi","saka_samvat":1925,"saka_samvatsara":"Subhānu","bengali_samvat":1410,"malayalam_era":1179,"nanakshahi_year":534,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturdaśī · Vikram 2060 Durmukhi · Śaka 1925 Subhānu"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 31, 2003 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 31, 2003 CE for Erode, Tamil Nadu: Kṛṣṇa Caturdaśī, sūryodaya 06:44, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2003-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2003-01-31","sa":"https://sa.vidhyamitra.com/city/erode/2003-01-31","hi":"https://hi.vidhyamitra.com/city/erode/2003-01-31","x-default":"https://vidhyamitra.com/city/erode/2003-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T19:29:43.346Z","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":"2026-05-16T19:29:43.346Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T19:29:43.346Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}