{"id":"vidhyamitra:city-day:erode:2159-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2159-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-04-18","date_display":"April 18, 2159 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":2159,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509725.770833,"kali_year":5260,"ahargana":1921260.2708,"sun":{"sidereal_longitude":1.5174,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":356.0607,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.5433,"elapsed_within_tithi_degrees":6.5433},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.0607,"elapsed_within_degrees":9.3941},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.5781},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2159,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509725.770833,"ahargana":1921260.2708,"kali_year":5260,"ayanamsa_lahiri":26.0782,"grahas":{"sun":{"sidereal_longitude":1.7609770000000253,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":357.693077,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":4.4907},"mars":{"sidereal_longitude":242.84537699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":354.280177,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":159.39077699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":44.95687699999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":177.35017700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":262.3851,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":82.3851,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2159,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509725.770833,"kali_year":5260,"ahargana":1921260.2708,"sun":{"sidereal_longitude":1.5174,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":356.0607,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.5433,"elapsed_within_tithi_degrees":6.5433},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.0607,"elapsed_within_degrees":9.3941},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.5781},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.491,"elongation":5.457},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.491,"opposition_distance":174.543}},"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":"06:06","sunsetLocal":"18:31","solarNoonLocal":"12:19","dayLengthHours":12.405096423440389,"dayLengthDisplay":"12 Hours 24 Mins 18 Secs","nightLengthDisplay":"11 Hours 35 Mins 42 Secs","moonriseLocal":"05:52","moonsetLocal":"18:12","rahuKala":{"name":"Rāhu Kāla","start":"12:19","end":"13:52","startHours":12.310421951735275,"endHours":13.861059004665325,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:40","end":"09:13","startHours":7.658510792945131,"endHours":9.20914784587518,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:46","end":"12:19","startHours":10.759784898805227,"endHours":12.310421951735275,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:25","startHours":9.00239623881784,"endHours":9.415899452932518,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:57","startHours":6.624752757658431,"endHours":6.955555328950175,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:43","startHours":11.896918737620595,"endHours":12.723925165849955,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:17","startHours":4.453860883556363,"endHours":5.280867311785722,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:06","startHours":5.074115704728383,"endHours":6.107873740015082,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:12","startHours":14.377938022308674,"endHours":15.204944450538033,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31297016345547,"endHours":18.71297016345547,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:02","startHours":18.51297016345547,"endHours":19.02984918109882,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26297016345547,"endHours":20.01297016345547,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:43","startHours":23.896918737620595,"endHours":24.723925165849955,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:06","end":"07:40","startHours":6.107873740015082,"endHours":7.658510792945131,"quality":"auspicious"},{"name":"Amṛta","start":"07:40","end":"09:13","startHours":7.658510792945131,"endHours":9.20914784587518,"quality":"auspicious"},{"name":"Kāla","start":"09:13","end":"10:46","startHours":9.20914784587518,"endHours":10.759784898805227,"quality":"inauspicious"},{"name":"Śubha","start":"10:46","end":"12:19","startHours":10.759784898805227,"endHours":12.310421951735275,"quality":"auspicious"},{"name":"Roga","start":"12:19","end":"13:52","startHours":12.310421951735275,"endHours":13.861059004665325,"quality":"inauspicious"},{"name":"Udveg","start":"13:52","end":"15:25","startHours":13.861059004665325,"endHours":15.411696057595373,"quality":"inauspicious"},{"name":"Chala","start":"15:25","end":"16:58","startHours":15.411696057595373,"endHours":16.96233311052542,"quality":"neutral"},{"name":"Labha","start":"16:58","end":"18:31","startHours":16.96233311052542,"endHours":18.51297016345547,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:31","end":"19:58","startHours":18.51297016345547,"endHours":19.96233311052542,"quality":"inauspicious"},{"name":"Chala","start":"19:58","end":"21:25","startHours":19.96233311052542,"endHours":21.411696057595375,"quality":"neutral"},{"name":"Labha","start":"21:25","end":"22:52","startHours":21.411696057595375,"endHours":22.861059004665325,"quality":"auspicious"},{"name":"Amṛta","start":"22:52","end":"00:19","startHours":22.861059004665325,"endHours":24.310421951735275,"quality":"auspicious"},{"name":"Kāla","start":"00:19","end":"01:46","startHours":24.310421951735275,"endHours":25.75978489880523,"quality":"inauspicious"},{"name":"Śubha","start":"01:46","end":"03:13","startHours":25.75978489880523,"endHours":27.20914784587518,"quality":"auspicious"},{"name":"Roga","start":"03:13","end":"04:40","startHours":27.20914784587518,"endHours":28.65851079294513,"quality":"inauspicious"},{"name":"Udveg","start":"04:40","end":"06:06","startHours":28.65851079294513,"endHours":30.10787374001508,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.107873740015082,"endHours":7.107873740015082,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.107873740015082,"endHours":8.107873740015082,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.107873740015082,"endHours":9.107873740015082,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.107873740015082,"endHours":10.107873740015082,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.107873740015082,"endHours":11.107873740015082,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.107873740015082,"endHours":12.107873740015082,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.107873740015082,"endHours":13.107873740015082,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.107873740015082,"endHours":14.107873740015082,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.107873740015082,"endHours":15.107873740015082,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.107873740015082,"endHours":16.10787374001508,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.10787374001508,"endHours":17.10787374001508,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.10787374001508,"endHours":18.10787374001508,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.10787374001508,"endHours":19.10787374001508,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.10787374001508,"endHours":20.10787374001508,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.10787374001508,"endHours":21.10787374001508,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.10787374001508,"endHours":22.10787374001508,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.10787374001508,"endHours":23.10787374001508,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.10787374001508,"endHours":24.10787374001508,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.10787374001508,"endHours":25.10787374001508,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.10787374001508,"endHours":26.10787374001508,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.10787374001508,"endHours":27.10787374001508,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.10787374001508,"endHours":28.10787374001508,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.10787374001508,"endHours":29.10787374001508,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.10787374001508,"endHours":30.10787374001508,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.704140896054454,"eotMinutes":0.5058828958834352,"ayanamsa":26.0782}},"calendars":{"vikram_samvat":2216,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2081,"saka_samvatsara":"Siddhārthī","bengali_samvat":1566,"malayalam_era":1335,"nanakshahi_year":690,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Amāvasyā · Vikram 2216 Aṅgirasa · Śaka 2081 Siddhārthī"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 April 18, 2159 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 18, 2159 CE for Erode, Tamil Nadu: Kṛṣṇa Amāvasyā, sūryodaya 06:06, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2159-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2159-04-18","sa":"https://sa.vidhyamitra.com/city/erode/2159-04-18","hi":"https://hi.vidhyamitra.com/city/erode/2159-04-18","x-default":"https://vidhyamitra.com/city/erode/2159-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-26T17:49:03.803Z","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":"2026-05-26T17:49:03.803Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-26T17:49:03.803Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}