{"id":"vidhyamitra:city-day:noida:2018-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/2018-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-04-18","date_display":"April 18, 2018 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":2018,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458226.770833,"kali_year":5120,"ahargana":1869761.2708,"sun":{"sidereal_longitude":3.9392,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":27.9875,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":24.0484,"elapsed_within_tithi_degrees":0.0484},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":27.9875,"elapsed_within_degrees":1.3208},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.9267},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":2018,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458226.770833,"ahargana":1869761.2708,"kali_year":5120,"ayanamsa_lahiri":24.1086,"grahas":{"sun":{"sidereal_longitude":3.8621180000000095,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":29.32641799999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":-4.467},"mars":{"sidereal_longitude":262.7386180000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":340.779918,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":206.60571800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":27.544017999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":254.91001800000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":111.0499,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.0499,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2018,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458226.770833,"kali_year":5120,"ahargana":1869761.2708,"sun":{"sidereal_longitude":3.9392,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":27.9875,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":24.0484,"elapsed_within_tithi_degrees":0.0484},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":27.9875,"elapsed_within_degrees":1.3208},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.9267},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.467,"elongation":24.048},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.467,"opposition_distance":155.952}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:52","sunsetLocal":"18:48","solarNoonLocal":"12:20","dayLengthHours":12.919651331368268,"dayLengthDisplay":"12 Hours 55 Mins 11 Secs","nightLengthDisplay":"11 Hours 04 Mins 49 Secs","moonriseLocal":"07:17","moonsetLocal":"20:47","rahuKala":{"name":"Rāhu Kāla","start":"12:20","end":"13:57","startHours":12.33216861840194,"endHours":13.947125034822974,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:29","end":"09:06","startHours":7.4872993691388405,"endHours":9.102255785559874,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:43","end":"12:20","startHours":10.717212201980907,"endHours":12.33216861840194,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:19","startHours":8.886928263370404,"endHours":9.317583307749345,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:45","startHours":6.410661758191486,"endHours":6.75518579369464,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:46","startHours":11.901513574023,"endHours":12.762823662780885,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:01","startHours":4.149722775202038,"endHours":5.011032863959923,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:52","startHours":4.795705341770452,"endHours":5.8723429527178075,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:21","startHours":14.485443840296654,"endHours":15.346753929054538,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.591994284086077,"endHours":18.991994284086076,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:20","startHours":18.791994284086076,"endHours":19.330313089559755,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.541994284086076,"endHours":20.291994284086076,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:46","startHours":23.901513574023003,"endHours":24.762823662780885,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:52","end":"07:29","startHours":5.8723429527178075,"endHours":7.4872993691388405,"quality":"auspicious"},{"name":"Amṛta","start":"07:29","end":"09:06","startHours":7.4872993691388405,"endHours":9.102255785559874,"quality":"auspicious"},{"name":"Kāla","start":"09:06","end":"10:43","startHours":9.102255785559874,"endHours":10.717212201980907,"quality":"inauspicious"},{"name":"Śubha","start":"10:43","end":"12:20","startHours":10.717212201980907,"endHours":12.33216861840194,"quality":"auspicious"},{"name":"Roga","start":"12:20","end":"13:57","startHours":12.33216861840194,"endHours":13.947125034822974,"quality":"inauspicious"},{"name":"Udveg","start":"13:57","end":"15:34","startHours":13.947125034822974,"endHours":15.562081451244008,"quality":"inauspicious"},{"name":"Chala","start":"15:34","end":"17:11","startHours":15.562081451244008,"endHours":17.177037867665042,"quality":"neutral"},{"name":"Labha","start":"17:11","end":"18:48","startHours":17.177037867665042,"endHours":18.791994284086076,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:48","end":"20:11","startHours":18.791994284086076,"endHours":20.177037867665042,"quality":"inauspicious"},{"name":"Chala","start":"20:11","end":"21:34","startHours":20.177037867665042,"endHours":21.56208145124401,"quality":"neutral"},{"name":"Labha","start":"21:34","end":"22:57","startHours":21.56208145124401,"endHours":22.947125034822974,"quality":"auspicious"},{"name":"Amṛta","start":"22:57","end":"00:20","startHours":22.947125034822974,"endHours":24.332168618401944,"quality":"auspicious"},{"name":"Kāla","start":"00:20","end":"01:43","startHours":24.332168618401944,"endHours":25.717212201980907,"quality":"inauspicious"},{"name":"Śubha","start":"01:43","end":"03:06","startHours":25.717212201980907,"endHours":27.102255785559876,"quality":"auspicious"},{"name":"Roga","start":"03:06","end":"04:29","startHours":27.102255785559876,"endHours":28.487299369138842,"quality":"inauspicious"},{"name":"Udveg","start":"04:29","end":"05:52","startHours":28.487299369138842,"endHours":29.87234295271781,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.8723429527178075,"endHours":6.8723429527178075,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.8723429527178075,"endHours":7.8723429527178075,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.8723429527178075,"endHours":8.872342952717808,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.872342952717808,"endHours":9.872342952717808,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.872342952717808,"endHours":10.872342952717808,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.872342952717808,"endHours":11.872342952717808,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.872342952717808,"endHours":12.872342952717808,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.872342952717808,"endHours":13.872342952717808,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.872342952717808,"endHours":14.872342952717808,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.872342952717808,"endHours":15.872342952717808,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.872342952717808,"endHours":16.87234295271781,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.87234295271781,"endHours":17.87234295271781,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.87234295271781,"endHours":18.87234295271781,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.87234295271781,"endHours":19.87234295271781,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.87234295271781,"endHours":20.87234295271781,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.87234295271781,"endHours":21.87234295271781,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.87234295271781,"endHours":22.87234295271781,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.87234295271781,"endHours":23.87234295271781,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.87234295271781,"endHours":24.87234295271781,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.87234295271781,"endHours":25.87234295271781,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.87234295271781,"endHours":26.87234295271781,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.87234295271781,"endHours":27.87234295271781,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.87234295271781,"endHours":28.87234295271781,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.87234295271781,"endHours":29.87234295271781,"planetary_lord":"Sun"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Lumba","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":10.751198153158825,"eotMinutes":0.5058828958834352,"ayanamsa":24.1086}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Tṛtīyā · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"akshaya-tritiya","name":"Akṣaya Tṛtīyā","name_sanskrit":"अक्षय तृतीया","tradition":"Pan-Hindu","significance":"\"Inexhaustible third\"; auspicious for any new venture.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1},{"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":"parashurama-jayanti","name":"Paraśurāma Jayantī","name_sanskrit":"परशुराम जयन्ती","tradition":"Vaishnava","associated_deity":"Paraśurāma (6th daśāvatāra of Krishna)","deity_avatara_index":16,"significance":"Paraśurāma's manifestation; ciranjīvi-pratiṣṭhā. Coincides with Akṣaya Tṛtīyā.","vrata":true,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Bhāgavata 9.15-16"]},{"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"noida"},"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, 2018 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"April 18, 2018 CE for Noida, Uttar Pradesh: Śukla Tṛtīyā, sūryodaya 05:52, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2018-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2018-04-18","sa":"https://sa.vidhyamitra.com/city/noida/2018-04-18","hi":"https://hi.vidhyamitra.com/city/noida/2018-04-18","x-default":"https://vidhyamitra.com/city/noida/2018-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:57:03.192Z","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":"2026-05-15T05:57:03.192Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:57:03.192Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}