{"id":"vidhyamitra:city-day:rishikesh:1926-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1926-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1926-04-18","date_display":"April 18, 1926 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":1926,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424623.770833,"kali_year":5028,"ahargana":1836158.2708,"sun":{"sidereal_longitude":4.7235,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":72.7038,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.9803,"elapsed_within_tithi_degrees":7.9803},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.7038,"elapsed_within_degrees":6.0371},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":77.4273},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1926,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2424623.770833,"ahargana":1836158.2708,"kali_year":5028,"ayanamsa_lahiri":22.8234,"grahas":{"sun":{"sidereal_longitude":4.434798999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":72.92929900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-1.4485},"mars":{"sidereal_longitude":296.8904990000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":341.541599,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":300.815199,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":319.18679900000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":212.09819900000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":91.4986,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":271.4986,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1926,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2424623.770833,"kali_year":5028,"ahargana":1836158.2708,"sun":{"sidereal_longitude":4.7235,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":72.7038,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.9803,"elapsed_within_tithi_degrees":7.9803},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.7038,"elapsed_within_degrees":6.0371},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":77.4273},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.448,"elongation":67.98},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.448,"opposition_distance":112.02}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:48","sunsetLocal":"18:45","solarNoonLocal":"12:16","dayLengthHours":12.952995937809504,"dayLengthDisplay":"12 Hours 57 Mins 11 Secs","nightLengthDisplay":"11 Hours 02 Mins 49 Secs","moonriseLocal":"09:50","moonsetLocal":"23:51","rahuKala":{"name":"Rāhu Kāla","start":"17:08","end":"18:45","startHours":17.131102095080507,"endHours":18.750226587306695,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:16","end":"13:54","startHours":12.273728618401943,"endHours":13.892853110628131,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:31","end":"17:08","startHours":15.51197760285432,"endHours":17.131102095080507,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:15","startHours":8.81959636831941,"endHours":9.251362899579725,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:41","startHours":6.336938813572587,"endHours":6.682352038580841,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:42","startHours":11.841962087141626,"endHours":12.70549514966226,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:56","startHours":4.070164524455924,"endHours":4.933697586976558,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:48","startHours":4.717814321346399,"endHours":5.797230649497191,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.432561274703527,"endHours":15.296094337224162,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.550226587306696,"endHours":18.950226587306695,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.750226587306695,"endHours":19.28993475138209,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.500226587306695,"endHours":20.250226587306695,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:42","startHours":23.841962087141628,"endHours":24.70549514966226,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:48","end":"07:25","startHours":5.797230649497191,"endHours":7.416355141723379,"quality":"inauspicious"},{"name":"Chala","start":"07:25","end":"09:02","startHours":7.416355141723379,"endHours":9.035479633949567,"quality":"neutral"},{"name":"Labha","start":"09:02","end":"10:39","startHours":9.035479633949567,"endHours":10.654604126175755,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:16","startHours":10.654604126175755,"endHours":12.273728618401943,"quality":"auspicious"},{"name":"Kāla","start":"12:16","end":"13:54","startHours":12.273728618401943,"endHours":13.892853110628131,"quality":"inauspicious"},{"name":"Śubha","start":"13:54","end":"15:31","startHours":13.892853110628131,"endHours":15.51197760285432,"quality":"auspicious"},{"name":"Roga","start":"15:31","end":"17:08","startHours":15.51197760285432,"endHours":17.131102095080507,"quality":"inauspicious"},{"name":"Udveg","start":"17:08","end":"18:45","startHours":17.131102095080507,"endHours":18.750226587306695,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:45","end":"20:08","startHours":18.750226587306695,"endHours":20.131102095080507,"quality":"auspicious"},{"name":"Roga","start":"20:08","end":"21:31","startHours":20.131102095080507,"endHours":21.51197760285432,"quality":"inauspicious"},{"name":"Udveg","start":"21:31","end":"22:54","startHours":21.51197760285432,"endHours":22.89285311062813,"quality":"inauspicious"},{"name":"Chala","start":"22:54","end":"00:16","startHours":22.89285311062813,"endHours":24.273728618401943,"quality":"neutral"},{"name":"Labha","start":"00:16","end":"01:39","startHours":24.273728618401943,"endHours":25.654604126175755,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:02","startHours":25.654604126175755,"endHours":27.035479633949567,"quality":"auspicious"},{"name":"Kāla","start":"03:02","end":"04:25","startHours":27.035479633949567,"endHours":28.41635514172338,"quality":"inauspicious"},{"name":"Śubha","start":"04:25","end":"05:48","startHours":28.41635514172338,"endHours":29.79723064949719,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.797230649497191,"endHours":6.797230649497191,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.797230649497191,"endHours":7.797230649497191,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.797230649497191,"endHours":8.797230649497191,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.797230649497191,"endHours":9.797230649497191,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.797230649497191,"endHours":10.797230649497191,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.797230649497191,"endHours":11.797230649497191,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.797230649497191,"endHours":12.797230649497191,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.797230649497191,"endHours":13.797230649497191,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.797230649497191,"endHours":14.797230649497191,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.797230649497191,"endHours":15.797230649497191,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.797230649497191,"endHours":16.79723064949719,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.79723064949719,"endHours":17.79723064949719,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.79723064949719,"endHours":18.79723064949719,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.79723064949719,"endHours":19.79723064949719,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.79723064949719,"endHours":20.79723064949719,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.79723064949719,"endHours":21.79723064949719,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.79723064949719,"endHours":22.79723064949719,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.79723064949719,"endHours":23.79723064949719,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.79723064949719,"endHours":24.79723064949719,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.79723064949719,"endHours":25.79723064949719,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.79723064949719,"endHours":26.79723064949719,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.79723064949719,"endHours":27.79723064949719,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.79723064949719,"endHours":28.79723064949719,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.79723064949719,"endHours":29.79723064949719,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.495710691531734,"eotMinutes":0.5058828958834352,"ayanamsa":22.8234}},"calendars":{"vikram_samvat":1983,"vikram_samvatsara":"Pramāthi","saka_samvat":1848,"saka_samvatsara":"Akṣaya","bengali_samvat":1333,"malayalam_era":1102,"nanakshahi_year":457,"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 Ṣaṣṭhī · Vikram 1983 Pramāthi · Śaka 1848 Akṣaya"},"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"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, 1926 CE · Ṛṣikeśa · Vidhyamitra","description":"April 18, 1926 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 05:48, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1926-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1926-04-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/1926-04-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/1926-04-18","x-default":"https://vidhyamitra.com/city/rishikesh/1926-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:52:56.910Z","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":"2026-06-01T03:52:56.910Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:52:56.910Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}