{"id":"vidhyamitra:city-day:vrindavan:2138-04-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2138-04-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2138-04-15","date_display":"April 15, 2138 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":2138,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502052.770833,"kali_year":5239,"ahargana":1913587.2708,"sun":{"sidereal_longitude":359.012,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":64.3785,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.3665,"elapsed_within_tithi_degrees":5.3665},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.3785,"elapsed_within_degrees":11.0452},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.3905},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":2138,"month":4,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502052.770833,"ahargana":1913587.2708,"kali_year":5239,"ayanamsa_lahiri":25.7847,"grahas":{"sun":{"sidereal_longitude":359.197542,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":64.279942,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":4.0629},"mars":{"sidereal_longitude":123.84874200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":332.97224200000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":250.619642,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":28.744842000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":278.17274199999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":308.9376,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":128.9376,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"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":2138,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502052.770833,"kali_year":5239,"ahargana":1913587.2708,"sun":{"sidereal_longitude":359.012,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":64.3785,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":65.3665,"elapsed_within_tithi_degrees":5.3665},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.3785,"elapsed_within_degrees":11.0452},"yoga":{"number":5,"name":"Śobhana","sum_longitude":63.3905},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.063,"elongation":65.366},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.063,"opposition_distance":114.634}},"eclipse_window_40days":[]},"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":"05:55","sunsetLocal":"18:44","solarNoonLocal":"12:20","dayLengthHours":12.808121850889563,"dayLengthDisplay":"12 Hours 48 Mins 29 Secs","nightLengthDisplay":"11 Hours 11 Mins 31 Secs","moonriseLocal":"09:45","moonsetLocal":"23:35","rahuKala":{"name":"Rāhu Kāla","start":"15:32","end":"17:08","startHours":15.528745863685842,"endHours":17.129761095047037,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:07","end":"10:44","startHours":9.12468493824106,"endHours":10.725700169602256,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:20","end":"13:56","startHours":12.326715400963451,"endHours":13.927730632324646,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:20","startHours":8.911216240726233,"endHours":9.338153635755887,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.456326219305734,"endHours":6.797876135329456,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.899778005933799,"endHours":12.753652795993103,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:04","startHours":4.2149048954000605,"endHours":5.068779685459365,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:51","end":"05:55","startHours":4.855310987944539,"endHours":5.922654475518669,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.461402376111712,"endHours":15.315277166171017,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.530776326408233,"endHours":18.930776326408232,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:16","startHours":18.730776326408233,"endHours":19.264448070195296,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.480776326408233,"endHours":20.230776326408233,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.8997780059338,"endHours":24.7536527959931,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:55","end":"07:31","startHours":5.922654475518669,"endHours":7.523669706879865,"quality":"inauspicious"},{"name":"Udveg","start":"07:31","end":"09:07","startHours":7.523669706879865,"endHours":9.12468493824106,"quality":"inauspicious"},{"name":"Chala","start":"09:07","end":"10:44","startHours":9.12468493824106,"endHours":10.725700169602256,"quality":"neutral"},{"name":"Labha","start":"10:44","end":"12:20","startHours":10.725700169602256,"endHours":12.326715400963451,"quality":"auspicious"},{"name":"Amṛta","start":"12:20","end":"13:56","startHours":12.326715400963451,"endHours":13.927730632324646,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:32","startHours":13.927730632324646,"endHours":15.528745863685842,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"17:08","startHours":15.528745863685842,"endHours":17.129761095047037,"quality":"auspicious"},{"name":"Roga","start":"17:08","end":"18:44","startHours":17.129761095047037,"endHours":18.730776326408233,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:44","end":"20:08","startHours":18.730776326408233,"endHours":20.129761095047037,"quality":"inauspicious"},{"name":"Śubha","start":"20:08","end":"21:32","startHours":20.129761095047037,"endHours":21.52874586368584,"quality":"auspicious"},{"name":"Roga","start":"21:32","end":"22:56","startHours":21.52874586368584,"endHours":22.927730632324646,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:20","startHours":22.927730632324646,"endHours":24.32671540096345,"quality":"inauspicious"},{"name":"Chala","start":"00:20","end":"01:44","startHours":24.32671540096345,"endHours":25.725700169602256,"quality":"neutral"},{"name":"Labha","start":"01:44","end":"03:07","startHours":25.725700169602256,"endHours":27.12468493824106,"quality":"auspicious"},{"name":"Amṛta","start":"03:07","end":"04:31","startHours":27.12468493824106,"endHours":28.523669706879865,"quality":"auspicious"},{"name":"Kāla","start":"04:31","end":"05:55","startHours":28.523669706879865,"endHours":29.92265447551867,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.922654475518669,"endHours":6.922654475518669,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.922654475518669,"endHours":7.922654475518669,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.922654475518669,"endHours":8.92265447551867,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.92265447551867,"endHours":9.92265447551867,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.92265447551867,"endHours":10.92265447551867,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.92265447551867,"endHours":11.92265447551867,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.92265447551867,"endHours":12.92265447551867,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.92265447551867,"endHours":13.92265447551867,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.92265447551867,"endHours":14.92265447551867,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.92265447551867,"endHours":15.92265447551867,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.92265447551867,"endHours":16.92265447551867,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.92265447551867,"endHours":17.92265447551867,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.92265447551867,"endHours":18.92265447551867,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.92265447551867,"endHours":19.92265447551867,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.92265447551867,"endHours":20.92265447551867,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.92265447551867,"endHours":21.92265447551867,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.92265447551867,"endHours":22.92265447551867,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.92265447551867,"endHours":23.92265447551867,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.92265447551867,"endHours":24.92265447551867,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.92265447551867,"endHours":25.92265447551867,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.92265447551867,"endHours":26.92265447551867,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.92265447551867,"endHours":27.92265447551867,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.92265447551867,"endHours":28.92265447551867,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.92265447551867,"endHours":29.92265447551867,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.670234118456088,"eotMinutes":-0.240124057807095,"ayanamsa":25.7847}},"calendars":{"vikram_samvat":2195,"vikram_samvatsara":"Virodhakṛt","saka_samvat":2060,"saka_samvatsara":"Vilambī","bengali_samvat":1545,"malayalam_era":1314,"nanakshahi_year":669,"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":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Ṣaṣṭhī · Vikram 2195 Virodhakṛt · Śaka 2060 Vilambī"},"festivals":[{"id":"yamuna-jayanti","name":"Yamunā Jayantī","name_sanskrit":"यमुना जयन्ती","tradition":"Vaishnava","associated_deity":"Yamunā Devī (Krishna's playmate)","significance":"Manifestation of Yamunā Devī; Vraja-bhakti-pravāhinī.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":4}],"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":[]},"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 15, 2138 CE · Vṛndāvana · Vidhyamitra","description":"April 15, 2138 CE for Vṛndāvana: Śukla Ṣaṣṭhī, sūryodaya 05:55, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2138-04-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2138-04-15","sa":"https://sa.vidhyamitra.com/city/vrindavan/2138-04-15","hi":"https://hi.vidhyamitra.com/city/vrindavan/2138-04-15","x-default":"https://vidhyamitra.com/city/vrindavan/2138-04-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T18:59:32.974Z","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":"2026-06-01T18:59:32.974Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T18:59:32.974Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}