{"id":"vidhyamitra:city-day:vrindavan:2154-04-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2154-04-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-04-16","date_display":"April 16, 2154 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":2154,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507897.770833,"kali_year":5255,"ahargana":1919432.2708,"sun":{"sidereal_longitude":359.8521,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":38.1448,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.2927,"elapsed_within_tithi_degrees":2.2927},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.1448,"elapsed_within_degrees":11.4781},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.9969},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2154,"month":4,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507897.770833,"ahargana":1919432.2708,"kali_year":5255,"ayanamsa_lahiri":26.0083,"grahas":{"sun":{"sidereal_longitude":0.07771999999999935,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":34.79061999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":2.8243},"mars":{"sidereal_longitude":350.82572,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":16.124919999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":10.179419999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":30.683719999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":109.51191999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":359.2413,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":179.2413,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2154,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507897.770833,"kali_year":5255,"ahargana":1919432.2708,"sun":{"sidereal_longitude":359.8521,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":38.1448,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.2927,"elapsed_within_tithi_degrees":2.2927},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.1448,"elapsed_within_degrees":11.4781},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.9969},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.824,"elongation":38.293},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.824,"opposition_distance":141.707}},"eclipse_window_40days":[{"offset_days":12,"type":"lunar","occurs":true,"moon_latitude":-0.911,"opposition_distance":1.223}]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:54","sunsetLocal":"18:44","solarNoonLocal":"12:19","dayLengthHours":12.837278672926097,"dayLengthDisplay":"12 Hours 50 Mins 14 Secs","nightLengthDisplay":"11 Hours 09 Mins 46 Secs","moonriseLocal":"07:51","moonsetLocal":"21:26","rahuKala":{"name":"Rāhu Kāla","start":"15:32","end":"17:08","startHours":15.531778149621552,"endHours":17.136437983737313,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:07","end":"10:43","startHours":9.113138813158503,"endHours":10.717798647274265,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"13:56","startHours":12.322458481390026,"endHours":13.927118315505787,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.899184168609734,"endHours":9.32709345770727,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:26","end":"06:47","startHours":6.438705756298899,"endHours":6.781033187576928,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.894549192292489,"endHours":12.750367770487562,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:12","end":"05:03","startHours":4.1921819885368325,"endHours":5.048000566731905,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:54","startHours":4.834045922183137,"endHours":5.903819144926978,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.46200492687771,"endHours":15.317823505072784,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.541097817853075,"endHours":18.941097817853073,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:17","startHours":18.741097817853074,"endHours":19.275984429224994,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.491097817853074,"endHours":20.241097817853074,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.89454919229249,"endHours":24.75036777048756,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:54","end":"07:31","startHours":5.903819144926978,"endHours":7.50847897904274,"quality":"inauspicious"},{"name":"Udveg","start":"07:31","end":"09:07","startHours":7.50847897904274,"endHours":9.113138813158503,"quality":"inauspicious"},{"name":"Chala","start":"09:07","end":"10:43","startHours":9.113138813158503,"endHours":10.717798647274265,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"12:19","startHours":10.717798647274265,"endHours":12.322458481390026,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"13:56","startHours":12.322458481390026,"endHours":13.927118315505787,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:32","startHours":13.927118315505787,"endHours":15.531778149621552,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"17:08","startHours":15.531778149621552,"endHours":17.136437983737313,"quality":"auspicious"},{"name":"Roga","start":"17:08","end":"18:44","startHours":17.136437983737313,"endHours":18.741097817853074,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:44","end":"20:08","startHours":18.741097817853074,"endHours":20.136437983737313,"quality":"inauspicious"},{"name":"Śubha","start":"20:08","end":"21:32","startHours":20.136437983737313,"endHours":21.53177814962155,"quality":"auspicious"},{"name":"Roga","start":"21:32","end":"22:56","startHours":21.53177814962155,"endHours":22.927118315505787,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:19","startHours":22.927118315505787,"endHours":24.322458481390026,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:43","startHours":24.322458481390026,"endHours":25.717798647274265,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"03:07","startHours":25.717798647274265,"endHours":27.1131388131585,"quality":"auspicious"},{"name":"Amṛta","start":"03:07","end":"04:31","startHours":27.1131388131585,"endHours":28.50847897904274,"quality":"auspicious"},{"name":"Kāla","start":"04:31","end":"05:54","startHours":28.50847897904274,"endHours":29.903819144926977,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.903819144926978,"endHours":6.903819144926978,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.903819144926978,"endHours":7.903819144926978,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.903819144926978,"endHours":8.903819144926977,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.903819144926977,"endHours":9.903819144926977,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.903819144926977,"endHours":10.903819144926977,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.903819144926977,"endHours":11.903819144926977,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.903819144926977,"endHours":12.903819144926977,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.903819144926977,"endHours":13.903819144926977,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.903819144926977,"endHours":14.903819144926977,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.903819144926977,"endHours":15.903819144926977,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.903819144926977,"endHours":16.903819144926977,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.903819144926977,"endHours":17.903819144926977,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.903819144926977,"endHours":18.903819144926977,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.903819144926977,"endHours":19.903819144926977,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.903819144926977,"endHours":20.903819144926977,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.903819144926977,"endHours":21.903819144926977,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.903819144926977,"endHours":22.903819144926977,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.903819144926977,"endHours":23.903819144926977,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.903819144926977,"endHours":24.903819144926977,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.903819144926977,"endHours":25.903819144926977,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.903819144926977,"endHours":26.903819144926977,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.903819144926977,"endHours":27.903819144926977,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.903819144926977,"endHours":28.903819144926977,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.903819144926977,"endHours":29.903819144926977,"planetary_lord":"Saturn"}],"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","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.072311205880435,"eotMinutes":0.015291116598477705,"ayanamsa":26.0083}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Caturthī · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"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_ingress":"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_ingress":"Meṣa"},"precedence":2},{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 16, 2154 CE · Vṛndāvana · Vidhyamitra","description":"April 16, 2154 CE for Vṛndāvana: Śukla Caturthī, sūryodaya 05:54, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2154-04-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2154-04-16","sa":"https://sa.vidhyamitra.com/city/vrindavan/2154-04-16","hi":"https://hi.vidhyamitra.com/city/vrindavan/2154-04-16","x-default":"https://vidhyamitra.com/city/vrindavan/2154-04-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:59:57.501Z","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":"2026-05-31T10:59:57.501Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:59:57.501Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}