{"id":"vidhyamitra:city-day:lucknow:2021-04-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2021-04-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-04-30","date_display":"April 30, 2021 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":2021,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459334.770833,"kali_year":5123,"ahargana":1870869.2708,"sun":{"sidereal_longitude":15.7966,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":233.977,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.1804,"elapsed_within_tithi_degrees":2.1804},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.977,"elapsed_within_degrees":7.3103},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.7736},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2021,"month":4,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459334.770833,"ahargana":1870869.2708,"kali_year":5123,"ayanamsa_lahiri":24.1509,"grahas":{"sun":{"sidereal_longitude":15.779984000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":236.57968400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-0.1282},"mars":{"sidereal_longitude":69.560584,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":27.76768400000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":304.048584,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":24.439684,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":288.93978400000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":52.3428,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":232.3428,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2021,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459334.770833,"kali_year":5123,"ahargana":1870869.2708,"sun":{"sidereal_longitude":15.7966,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":233.977,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.1804,"elapsed_within_tithi_degrees":2.1804},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.977,"elapsed_within_degrees":7.3103},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.7736},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.128,"elongation":141.82},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.128,"opposition_distance":38.18}},"eclipse_window_40days":[]},"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:29","sunsetLocal":"18:38","solarNoonLocal":"12:03","dayLengthHours":13.154109410276309,"dayLengthDisplay":"13 Hours 09 Mins 15 Secs","nightLengthDisplay":"10 Hours 50 Mins 45 Secs","moonriseLocal":"21:34","moonsetLocal":"08:00","rahuKala":{"name":"Rāhu Kāla","start":"10:25","end":"12:03","startHours":10.412898637228759,"endHours":12.057162313513297,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:21","end":"16:59","startHours":15.345689666082375,"endHours":16.989953342366913,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:07","end":"08:46","startHours":7.124371284659681,"endHours":8.768634960944219,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.549399804106281,"endHours":8.987870117782158,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:23","startHours":6.028195500469989,"endHours":6.378971751410691,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:30","startHours":11.61869199983742,"endHours":12.495632627189174,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:36","startHours":3.7262263536716347,"endHours":4.603166981023389,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:29","startHours":4.38393182418545,"endHours":5.4801076083751425,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:08","startHours":14.249513881892682,"endHours":15.126454509244436,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.434217018651452,"endHours":18.83421701865145,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:11","startHours":18.63421701865145,"endHours":19.182304910746296,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.38421701865145,"endHours":20.13421701865145,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:30","startHours":23.618691999837417,"endHours":24.495632627189174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:29","end":"07:07","startHours":5.4801076083751425,"endHours":7.124371284659681,"quality":"neutral"},{"name":"Labha","start":"07:07","end":"08:46","startHours":7.124371284659681,"endHours":8.768634960944219,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:25","startHours":8.768634960944219,"endHours":10.412898637228759,"quality":"auspicious"},{"name":"Kāla","start":"10:25","end":"12:03","startHours":10.412898637228759,"endHours":12.057162313513297,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:42","startHours":12.057162313513297,"endHours":13.701425989797835,"quality":"auspicious"},{"name":"Roga","start":"13:42","end":"15:21","startHours":13.701425989797835,"endHours":15.345689666082375,"quality":"inauspicious"},{"name":"Udveg","start":"15:21","end":"16:59","startHours":15.345689666082375,"endHours":16.989953342366913,"quality":"inauspicious"},{"name":"Chala","start":"16:59","end":"18:38","startHours":16.989953342366913,"endHours":18.63421701865145,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:38","end":"19:59","startHours":18.63421701865145,"endHours":19.989953342366913,"quality":"inauspicious"},{"name":"Udveg","start":"19:59","end":"21:21","startHours":19.989953342366913,"endHours":21.345689666082375,"quality":"inauspicious"},{"name":"Chala","start":"21:21","end":"22:42","startHours":21.345689666082375,"endHours":22.701425989797833,"quality":"neutral"},{"name":"Labha","start":"22:42","end":"00:03","startHours":22.701425989797833,"endHours":24.057162313513295,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:25","startHours":24.057162313513295,"endHours":25.412898637228757,"quality":"auspicious"},{"name":"Kāla","start":"01:25","end":"02:46","startHours":25.412898637228757,"endHours":26.76863496094422,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:07","startHours":26.76863496094422,"endHours":28.12437128465968,"quality":"auspicious"},{"name":"Roga","start":"04:07","end":"05:29","startHours":28.12437128465968,"endHours":29.480107608375143,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:29","end":"06:29","startHours":5.4801076083751425,"endHours":6.4801076083751425,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:29","end":"07:29","startHours":6.4801076083751425,"endHours":7.4801076083751425,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:29","end":"08:29","startHours":7.4801076083751425,"endHours":8.480107608375143,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:29","end":"09:29","startHours":8.480107608375143,"endHours":9.480107608375143,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:29","end":"10:29","startHours":9.480107608375143,"endHours":10.480107608375143,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:29","end":"11:29","startHours":10.480107608375143,"endHours":11.480107608375143,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:29","end":"12:29","startHours":11.480107608375143,"endHours":12.480107608375143,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:29","end":"13:29","startHours":12.480107608375143,"endHours":13.480107608375143,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:29","end":"14:29","startHours":13.480107608375143,"endHours":14.480107608375143,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:29","end":"15:29","startHours":14.480107608375143,"endHours":15.480107608375143,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:29","end":"16:29","startHours":15.480107608375143,"endHours":16.480107608375143,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:29","end":"17:29","startHours":16.480107608375143,"endHours":17.480107608375143,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:29","end":"18:29","startHours":17.480107608375143,"endHours":18.480107608375143,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:29","end":"19:29","startHours":18.480107608375143,"endHours":19.480107608375143,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:29","end":"20:29","startHours":19.480107608375143,"endHours":20.480107608375143,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:29","end":"21:29","startHours":20.480107608375143,"endHours":21.480107608375143,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:29","end":"22:29","startHours":21.480107608375143,"endHours":22.480107608375143,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:29","end":"23:29","startHours":22.480107608375143,"endHours":23.480107608375143,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:29","end":"00:29","startHours":23.480107608375143,"endHours":24.480107608375143,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:29","end":"01:29","startHours":24.480107608375143,"endHours":25.480107608375143,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:29","end":"02:29","startHours":25.480107608375143,"endHours":26.480107608375143,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:29","end":"03:29","startHours":26.480107608375143,"endHours":27.480107608375143,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:29","end":"04:29","startHours":27.480107608375143,"endHours":28.480107608375143,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:29","end":"05:29","startHours":28.480107608375143,"endHours":29.480107608375143,"planetary_lord":"Mars"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.790756363668876,"eotMinutes":2.785461189202204,"ayanamsa":24.1509}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturthī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"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},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 30, 2021 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"April 30, 2021 CE for Lucknow, Uttar Pradesh: Kṛṣṇa Caturthī, sūryodaya 05:29, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2021-04-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2021-04-30","sa":"https://sa.vidhyamitra.com/city/lucknow/2021-04-30","hi":"https://hi.vidhyamitra.com/city/lucknow/2021-04-30","x-default":"https://vidhyamitra.com/city/lucknow/2021-04-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T18:31:30.339Z","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":"2026-05-14T18:31:30.339Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T18:31:30.339Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}